[#57] MailWindow: Use Task.Run()

Elwig/App.xaml.cs

@@ -200,10 +200,12 @@ namespace Elwig {
             var ch = CurrentLastWrite;
             if (ch > CurrentApp.LastChanged)
                 CurrentApp.LastChanged = ch;
-            foreach (Window w in CurrentApp.Windows) {
-                if (w is not ContextWindow c) continue;
-                MainDispatcher.BeginInvoke(c.HintContextChange);
-            }
+            MainDispatcher.Invoke(() => {
+                foreach (Window w in CurrentApp.Windows) {
+                    if (w is not ContextWindow c) continue;
+                    MainDispatcher.BeginInvoke(c.HintContextChange);
+                }
+            });
         }
 
         private void OnAutoUpdateTimer(object? sender, EventArgs? evt) {

Elwig/Helpers/Utils.cs

@@ -499,34 +499,39 @@ namespace Elwig.Helpers {
             if (App.Config.Smtp == null)
                 return false;
 
-            SmtpClient? client = null;
-            try {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                client = await GetSmtpClient();
+            Mouse.OverrideCursor = Cursors.Wait;
 
-                using var msg = new MimeMessage();
-                msg.From.Add(new MailboxAddress(App.Client.NameFull, App.Config.Smtp.Value.From));
-                msg.To.AddRange(member.EmailAddresses.OrderBy(a => a.Nr).Select(a => new MailboxAddress(member.AdministrativeName, a.Address)));
-                msg.Subject = subject;
-                var body = new Multipart("mixed") {
-                    new TextPart("plain") { Text = text }
-                };
-                foreach (var doc in docs) {
-                    var name = NormalizeFileName(doc.Title);
-                    body.Add(doc.AsEmailAttachment($"{name}.pdf"));
+            var success = await Task.Run(async () => {
+                SmtpClient? client = null;
+                try {
+                    client = await GetSmtpClient();
+
+                    using var msg = new MimeMessage();
+                    msg.From.Add(new MailboxAddress(App.Client.NameFull, App.Config.Smtp.Value.From));
+                    msg.To.AddRange(member.EmailAddresses.OrderBy(a => a.Nr).Select(a => new MailboxAddress(member.AdministrativeName, a.Address)));
+                    msg.Subject = subject;
+                    var body = new Multipart("mixed") {
+                        new TextPart("plain") { Text = text }
+                    };
+                    foreach (var doc in docs) {
+                        var name = NormalizeFileName(doc.Title);
+                        body.Add(doc.AsEmailAttachment($"{name}.pdf"));
+                    }
+                    msg.Body = body;
+                    await client!.SendAsync(msg);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    return false;
+                } finally {
+                    if (client != null)
+                        await client.DisconnectAsync(true);
+                    client?.Dispose();
                 }
-                msg.Body = body;
-                await client!.SendAsync(msg);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                return false;
-            } finally {
-                if (client != null)
-                    await client.DisconnectAsync(true);
-                client?.Dispose();
-                Mouse.OverrideCursor = null;
-            }
-            return true;
+                return true;
+            });
+
+            Mouse.OverrideCursor = null;
+            return success;
         }
 
         public static async Task ExportDocument(Document doc, ExportMode mode, string? filename = null, (Member, string, string)? emailData = null) {

Elwig/Services/AreaComService.cs

@@ -108,7 +108,8 @@ namespace Elwig.Services {
         public static async Task<int> UpdateAreaCommitment(this AreaComAdminViewModel vm, int? oldFbNr) {
             int newFbNr = (int)vm.FbNr!;
 
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 var a = new AreaCom {
                     FbNr = oldFbNr ?? newFbNr,
                     MgNr = (int)vm.MgNr!,
@@ -140,7 +141,7 @@ namespace Elwig.Services {
                 if (newFbNr != a.FbNr) {
                     await ctx.Database.ExecuteSqlAsync($"UPDATE area_commitment SET fbnr = {newFbNr} WHERE fbnr = {oldFbNr}");
                 }
-            }
+            });
 
             App.HintContextChange();
 
@@ -253,5 +254,16 @@ namespace Elwig.Services {
             }
             return grid;
         }
+
+        public static async Task DeleteAreaCom(int fbnr) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
+                var l = (await ctx.AreaCommitments.FindAsync(fbnr))!;
+                ctx.Remove(l);
+                await ctx.SaveChangesAsync();
+            });
+
+            App.HintContextChange();
+        }
     }
 }

Elwig/Services/DeliveryAncmtService.cs

@@ -211,7 +211,8 @@ namespace Elwig.Services {
             int newMgNr = vm.MgNr!.Value;
             string newSortId = vm.SortId!;
 
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 var a = new DeliveryAncmt {
                     Year = oldYear ?? year,
                     DsNr = oldDsNr ?? dsnr,
@@ -232,7 +233,7 @@ namespace Elwig.Services {
                 if (oldDsNr != null && (oldYear != year || oldDsNr != dsnr || oldMgNr != newMgNr || oldSortId != newSortId)) {
                     await ctx.Database.ExecuteSqlAsync($"UPDATE delivery_announcement SET year = {year}, dsnr = {dsnr}, mgnr = {newMgNr}, sortid = {newSortId} WHERE (year, dsnr, mgnr, sortid) = ({a.Year}, {a.DsNr}, {a.MgNr}, {a.SortId})");
                 }
-            }
+            });
 
             App.HintContextChange();
 
@@ -269,25 +270,29 @@ namespace Elwig.Services {
                     Title = $"{DeliveryAncmtList.Name} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
-                    try {
-                        var data = await DeliveryAncmtListData.FromQuery(query, filterNames);
-                        using var ods = new OdsFile(d.FileName);
-                        await ods.AddTable(data);
-                    } catch (Exception exc) {
-                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                    }
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        try {
+                            var data = await DeliveryAncmtListData.FromQuery(query, filterNames);
+                            using var ods = new OdsFile(d.FileName);
+                            await ods.AddTable(data);
+                        } catch (Exception exc) {
+                            MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                        }
+                    });
                     Mouse.OverrideCursor = null;
                 }
             } else {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    var data = await DeliveryAncmtListData.FromQuery(query, filterNames);
-                    using var doc = new DeliveryAncmtList(string.Join(" / ", filterNames), data);
-                    await Utils.ExportDocument(doc, mode);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        var data = await DeliveryAncmtListData.FromQuery(query, filterNames);
+                        using var doc = new DeliveryAncmtList(string.Join(" / ", filterNames), data);
+                        await Utils.ExportDocument(doc, mode);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }

Elwig/Services/DeliveryScheduleService.cs

@@ -152,7 +152,8 @@ namespace Elwig.Services {
         public static async Task UpdateDeliverySchedule(this DeliveryScheduleAdminViewModel vm, int? oldYear, int? oldDsNr) {
             int year = vm.Date!.Value.Year;
 
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 var s = new DeliverySchedule {
                     Year = oldYear ?? year,
                     DsNr = oldDsNr ?? await ctx.NextDsNr(year),
@@ -181,7 +182,7 @@ namespace Elwig.Services {
                     .ToList(), vm.MainVarieties.Select(v => (v, 1)).Union(vm.OtherVarieties.Select(v => (v, 2))).ToList());
 
                 await ctx.SaveChangesAsync();
-            }
+            });
 
             App.HintContextChange();
         }

Elwig/Services/DeliveryService.cs

@@ -430,9 +430,10 @@ namespace Elwig.Services {
         }
 
         public static async Task<DeliveryPart> UpdateDeliveryPart(this DeliveryAdminViewModel vm, int? oldYear, int? oldDid, int? oldDpnr, bool dateHasChanged, bool timeHasChanged, bool timeIsDefault) {
-            DeliveryPart p;
+            var p = await Task.Run(async () => {
+                DeliveryPart p;
 
-            using (var ctx = new AppDbContext()) {
+                using var ctx = new AppDbContext();
                 int year = oldYear ?? Utils.CurrentYear;
                 int did = oldDid ?? await ctx.NextDId(year);
                 int dpnr = oldDpnr ?? await ctx.NextDPNr(year, did);
@@ -524,7 +525,9 @@ namespace Elwig.Services {
                 }
 
                 await ctx.SaveChangesAsync();
-            }
+
+                return p;
+            });
 
             App.HintContextChange();
 
@@ -532,9 +535,10 @@ namespace Elwig.Services {
         }
 
         public static async Task<Delivery> SplitDeliveryToMember(int year, int did, int[] weights, int mgnr) {
-            Delivery n;
+            var n = await Task.Run(async () => {
+                Delivery n;
 
-            using (var ctx = new AppDbContext()) {
+                using var ctx = new AppDbContext();
                 bool anyLeft = false;
                 var d = (await ctx.Deliveries.FindAsync(year, did))!;
                 var lnr = await ctx.NextLNr(d.Date, d.ZwstId);
@@ -577,7 +581,9 @@ namespace Elwig.Services {
                 await ctx.SaveChangesAsync();
                 if (!anyLeft)
                     await ctx.Database.ExecuteSqlAsync($"DELETE FROM delivery WHERE (year, did) = ({d.Year}, {d.DId})");
-            }
+
+                return n;
+            });
 
             App.HintContextChange();
 
@@ -585,9 +591,9 @@ namespace Elwig.Services {
         }
 
         public static async Task<Delivery> SplitDeliveryToLsNr(int year, int did, int[] weights, string lsnr) {
-            Delivery n;
-
-            using (var ctx = new AppDbContext()) {
+            var n = await Task.Run(async () => {
+                Delivery n;
+                using var ctx = new AppDbContext();
                 var anyLeft = false;
                 n = (await ctx.Deliveries.FirstAsync(d => d.LsNr == lsnr))!;
                 var d = (await ctx.Deliveries.FindAsync(year, did))!;
@@ -616,7 +622,9 @@ namespace Elwig.Services {
                 await ctx.SaveChangesAsync();
                 if (!anyLeft && n.LsNr != d.LsNr)
                     await ctx.Database.ExecuteSqlAsync($"DELETE FROM delivery WHERE (year, did) = ({d.Year}, {d.DId})");
-            }
+
+                return n;
+            });
 
             App.HintContextChange();
 
@@ -624,7 +632,8 @@ namespace Elwig.Services {
         }
 
         public static async Task DepreciateDelivery(int year, int did, int[] weights) {
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 var d = (await ctx.Deliveries.FindAsync(year, did))!;
                 var dpnr = await ctx.NextDPNr(year, did);
                 foreach (var (p, w) in d.Parts.ToList().Zip(weights)) {
@@ -648,21 +657,23 @@ namespace Elwig.Services {
                     }
                 }
                 await ctx.SaveChangesAsync();
-            }
+            });
 
             App.HintContextChange();
         }
 
         public static async Task GenerateDeliveryNote(int year, int did, ExportMode mode) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                using var ctx = new AppDbContext();
-                var d = (await ctx.Deliveries.FindAsync(year, did))!;
-                using var doc = new DeliveryNote(d, ctx);
-                await Utils.ExportDocument(doc, mode, d.LsNr, (d.Member, $"{DeliveryNote.Name} Nr. {d.LsNr}", $"Im Anhang finden Sie den {DeliveryNote.Name} Nr. {d.LsNr}"));
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    using var ctx = new AppDbContext();
+                    var d = (await ctx.Deliveries.FindAsync(year, did))!;
+                    using var doc = new DeliveryNote(d, ctx);
+                    await Utils.ExportDocument(doc, mode, d.LsNr, (d.Member, $"{DeliveryNote.Name} Nr. {d.LsNr}", $"Im Anhang finden Sie den {DeliveryNote.Name} Nr. {d.LsNr}"));
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -707,14 +718,16 @@ namespace Elwig.Services {
                     Title = $"{DeliveryJournal.Name} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
-                    try {
-                        var data = await DeliveryJournalData.FromQuery(query, filterNames);
-                        using var ods = new OdsFile(d.FileName);
-                        await ods.AddTable(data);
-                    } catch (Exception exc) {
-                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                    }
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        try {
+                            var data = await DeliveryJournalData.FromQuery(query, filterNames);
+                            using var ods = new OdsFile(d.FileName);
+                            await ods.AddTable(data);
+                        } catch (Exception exc) {
+                            MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                        }
+                    });
                     Mouse.OverrideCursor = null;
                 }
             } else if (mode == ExportMode.Export) {
@@ -725,58 +738,64 @@ namespace Elwig.Services {
                     Title = $"{DeliveryJournal.Name} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        try {
+                            await ElwigData.Export(d.FileName, await query
+                                .Select(p => p.Delivery)
+                                .Distinct()
+                                .Include(d => d.Parts)
+                                .ThenInclude(p => p.PartModifiers)
+                                .AsSplitQuery()
+                                .ToListAsync(), filterNames);
+                        } catch (Exception exc) {
+                            MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                        }
+                    });
+                    Mouse.OverrideCursor = null;
+                }
+            } else if (mode == ExportMode.Upload && App.Config.SyncUrl != null) {
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
                     try {
-                        await ElwigData.Export(d.FileName, await query
+                        var filename = $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip";
+                        var path = Path.Combine(App.TempPath, filename);
+                        var list = await query
                             .Select(p => p.Delivery)
                             .Distinct()
                             .Include(d => d.Parts)
                             .ThenInclude(p => p.PartModifiers)
                             .AsSplitQuery()
-                            .ToListAsync(), filterNames);
+                            .ToListAsync();
+                        if (list.Count == 0) {
+                            MessageBox.Show("Es wurden keine Lieferungen zum Hochladen ausgewählt!", "Lieferungen hochladen",
+                                MessageBoxButton.OK, MessageBoxImage.Error);
+                        } else {
+                            await ElwigData.Export(path, list, filterNames);
+                            await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                            MessageBox.Show($"Hochladen von {list.Count:N0} Lieferungen erfolgreich!", "Lieferungen hochgeladen",
+                                MessageBoxButton.OK, MessageBoxImage.Information);
+                        }
+                    } catch (HttpRequestException exc) {
+                        MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
+                    } catch (TaskCanceledException exc) {
+                        MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                     } catch (Exception exc) {
                         MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                     }
-                    Mouse.OverrideCursor = null;
-                }
-            } else if (mode == ExportMode.Upload && App.Config.SyncUrl != null) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    var filename = $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip";
-                    var path = Path.Combine(App.TempPath, filename);
-                    var list = await query
-                        .Select(p => p.Delivery)
-                        .Distinct()
-                        .Include(d => d.Parts)
-                        .ThenInclude(p => p.PartModifiers)
-                        .AsSplitQuery()
-                        .ToListAsync();
-                    if (list.Count == 0) {
-                        MessageBox.Show("Es wurden keine Lieferungen zum Hochladen ausgewählt!", "Lieferungen hochladen",
-                            MessageBoxButton.OK, MessageBoxImage.Error);
-                    } else {
-                        await ElwigData.Export(path, list, filterNames);
-                        await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
-                        MessageBox.Show($"Hochladen von {list.Count:N0} Lieferungen erfolgreich!", "Lieferungen hochgeladen",
-                            MessageBoxButton.OK, MessageBoxImage.Information);
-                    }
-                } catch (HttpRequestException exc) {
-                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
-                } catch (TaskCanceledException exc) {
-                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                });
                 Mouse.OverrideCursor = null;
             } else {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    var data = await DeliveryJournalData.FromQuery(query, filterNames);
-                    using var doc = new DeliveryJournal(string.Join(" / ", filterNames), data);
-                    await Utils.ExportDocument(doc, mode);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        var data = await DeliveryJournalData.FromQuery(query, filterNames);
+                        using var doc = new DeliveryJournal(string.Join(" / ", filterNames), data);
+                        await Utils.ExportDocument(doc, mode);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }
@@ -798,14 +817,16 @@ namespace Elwig.Services {
                 throw new ArgumentException("Invalid value for ExportSubject");
             }
 
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var data = await WineQualityStatisticsData.FromQuery(query, App.Client.OrderingMemberList);
-                using var doc = new WineQualityStatistics(string.Join(" / ", filterNames), data);
-                await Utils.ExportDocument(doc, mode);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var data = await WineQualityStatisticsData.FromQuery(query, App.Client.OrderingMemberList);
+                    using var doc = new WineQualityStatistics(string.Join(" / ", filterNames), data);
+                    await Utils.ExportDocument(doc, mode);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -829,14 +850,16 @@ namespace Elwig.Services {
                 Title = $"Lieferstatistik pro Ort speichern unter - Elwig"
             };
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    using var ods = new OdsFile(d.FileName);
-                    var tbl = await WineLocalityStatisticsData.FromQuery(query, filterNames);
-                    await ods.AddTable(tbl);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var ods = new OdsFile(d.FileName);
+                        var tbl = await WineLocalityStatisticsData.FromQuery(query, filterNames);
+                        await ods.AddTable(tbl);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }
@@ -875,33 +898,37 @@ namespace Elwig.Services {
                     Title = $"{DeliveryDepreciationList.Name} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
-                    try {
-                        using var ods = new OdsFile(d.FileName);
-                        var tblTotal = await DeliveryJournalData.FromQuery(query, filterNames);
-                        tblTotal.FullName = DeliveryDepreciationList.Name;
-                        tblTotal.Name = "Gesamt";
-                        await ods.AddTable(tblTotal);
-                        foreach (var branch in await ctx.Branches.OrderBy(b => b.Name).ToListAsync()) {
-                            var tbl = await DeliveryJournalData.FromQuery(query.Where(p => p.Delivery.ZwstId == branch.ZwstId), filterNames);
-                            tbl.FullName = DeliveryDepreciationList.Name;
-                            tbl.Name = branch.Name;
-                            await ods.AddTable(tbl);
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        try {
+                            using var ods = new OdsFile(d.FileName);
+                            var tblTotal = await DeliveryJournalData.FromQuery(query, filterNames);
+                            tblTotal.FullName = DeliveryDepreciationList.Name;
+                            tblTotal.Name = "Gesamt";
+                            await ods.AddTable(tblTotal);
+                            foreach (var branch in await ctx.Branches.OrderBy(b => b.Name).ToListAsync()) {
+                                var tbl = await DeliveryJournalData.FromQuery(query.Where(p => p.Delivery.ZwstId == branch.ZwstId), filterNames);
+                                tbl.FullName = DeliveryDepreciationList.Name;
+                                tbl.Name = branch.Name;
+                                await ods.AddTable(tbl);
+                            }
+                        } catch (Exception exc) {
+                            MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                         }
-                    } catch (Exception exc) {
-                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                    }
+                    });
                     Mouse.OverrideCursor = null;
                 }
             } else {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    var data = await DeliveryJournalData.FromQuery(query, filterNames);
-                    using var doc = new DeliveryDepreciationList(string.Join(" / ", filterNames), data);
-                    await Utils.ExportDocument(doc, mode);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        var data = await DeliveryJournalData.FromQuery(query, filterNames);
+                        using var doc = new DeliveryDepreciationList(string.Join(" / ", filterNames), data);
+                        await Utils.ExportDocument(doc, mode);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }
@@ -1070,10 +1097,12 @@ namespace Elwig.Services {
         }
 
         public static async Task DeleteDelivery(string lsnr) {
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 await ctx.Deliveries.Where(d => d.LsNr == lsnr).ExecuteDeleteAsync();
                 await ctx.SaveChangesAsync();
-            }
+            });
+
             App.HintContextChange();
         }
     }

Elwig/Services/MemberService.cs

@@ -378,51 +378,57 @@ namespace Elwig.Services {
         }
 
         public static async Task GenerateMemberDataSheet(Member m, ExportMode mode) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                using var ctx = new AppDbContext();
-                using var doc = new MemberDataSheet(m, ctx);
-                await Utils.ExportDocument(doc, mode, emailData: (m, MemberDataSheet.Name, "Im Anhang finden Sie das aktuelle Stammdatenblatt"));
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    using var ctx = new AppDbContext();
+                    using var doc = new MemberDataSheet(m, ctx);
+                    await Utils.ExportDocument(doc, mode, emailData: (m, MemberDataSheet.Name, "Im Anhang finden Sie das aktuelle Stammdatenblatt"));
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
         public static async Task GenerateDeliveryConfirmation(Member m, int year, ExportMode mode) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var b = new Billing(year);
-                await b.FinishSeason();
-                await b.CalculateBuckets();
-                App.HintContextChange();
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var b = new Billing(year);
+                    await b.FinishSeason();
+                    await b.CalculateBuckets();
+                    App.HintContextChange();
 
-                using var ctx = new AppDbContext();
-                var data = await DeliveryConfirmationDeliveryData.ForMember(ctx.DeliveryParts, year, m);
-                using var doc = new DeliveryConfirmation(ctx, year, m, data);
-                await Utils.ExportDocument(doc, mode, emailData: (m, $"{DeliveryConfirmation.Name} {year}", $"Im Anhang finden Sie die Anlieferungsbestätigung {year}"));
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+                    using var ctx = new AppDbContext();
+                    var data = await DeliveryConfirmationDeliveryData.ForMember(ctx.DeliveryParts, year, m);
+                    using var doc = new DeliveryConfirmation(ctx, year, m, data);
+                    await Utils.ExportDocument(doc, mode, emailData: (m, $"{DeliveryConfirmation.Name} {year}", $"Im Anhang finden Sie die Anlieferungsbestätigung {year}"));
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
         public static async Task GenerateCreditNote(Member m, int year, int avnr, ExportMode mode) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                using var ctx = new AppDbContext();
-                var v = (await ctx.PaymentVariants.FindAsync(year, avnr))!;
-                var data = await CreditNoteDeliveryData.ForPaymentVariant(ctx.CreditNoteDeliveryRows, ctx.PaymentVariants, year, avnr);
-                var p = (await ctx.MemberPayments.FindAsync(year, avnr, m.MgNr))!;
-                var b = BillingData.FromJson((await ctx.PaymentVariants.FindAsync(year, avnr))!.Data);
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    using var ctx = new AppDbContext();
+                    var v = (await ctx.PaymentVariants.FindAsync(year, avnr))!;
+                    var data = await CreditNoteDeliveryData.ForPaymentVariant(ctx.CreditNoteDeliveryRows, ctx.PaymentVariants, year, avnr);
+                    var p = (await ctx.MemberPayments.FindAsync(year, avnr, m.MgNr))!;
+                    var b = BillingData.FromJson((await ctx.PaymentVariants.FindAsync(year, avnr))!.Data);
 
-                using var doc = new CreditNote(ctx, p, data[m.MgNr],
-                    b.ConsiderContractPenalties, b.ConsiderTotalPenalty, b.ConsiderAutoBusinessShares, b.ConsiderCustomModifiers,
-                    await ctx.GetMemberUnderDelivery(year, m.MgNr));
-                await Utils.ExportDocument(doc, mode, emailData: (m, $"{CreditNote.Name} {v.Name}", $"Im Anhang finden Sie die Traubengutschrift {v.Name}"));
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+                    using var doc = new CreditNote(ctx, p, data[m.MgNr],
+                        b.ConsiderContractPenalties, b.ConsiderTotalPenalty, b.ConsiderAutoBusinessShares, b.ConsiderCustomModifiers,
+                        await ctx.GetMemberUnderDelivery(year, m.MgNr));
+                    await Utils.ExportDocument(doc, mode, emailData: (m, $"{CreditNote.Name} {v.Name}", $"Im Anhang finden Sie die Traubengutschrift {v.Name}"));
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -475,14 +481,16 @@ namespace Elwig.Services {
                     Title = $"{MemberList.Name} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
-                    try {
-                        var data = await MemberListData.FromQuery(query, filterNames, filterNames.Where(f => f.StartsWith("Flächenbindung")).Select(f => f.Split(' ')[^1]));
-                        using var ods = new OdsFile(d.FileName);
-                        await ods.AddTable(data);
-                    } catch (Exception exc) {
-                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                    }
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        try {
+                            var data = await MemberListData.FromQuery(query, filterNames, filterNames.Where(f => f.StartsWith("Flächenbindung")).Select(f => f.Split(' ')[^1]));
+                            using var ods = new OdsFile(d.FileName);
+                            await ods.AddTable(data);
+                        } catch (Exception exc) {
+                            MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                        }
+                    });
                     Mouse.OverrideCursor = null;
                 }
             } else if (mode == ExportMode.Export) {
@@ -493,8 +501,33 @@ namespace Elwig.Services {
                     Title = $"{MemberList.Name} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        try {
+                            var members = await query
+                                .OrderBy(m => m.MgNr)
+                                .Include(m => m.BillingAddress)
+                                .Include(m => m.TelephoneNumbers)
+                                .Include(m => m.EmailAddresses)
+                                .AsSplitQuery()
+                                .ToListAsync();
+                            var areaComs = await query
+                                .SelectMany(m => m.AreaCommitments)
+                                .Include(c => c.Rd)
+                                .ToListAsync();
+                            await ElwigData.Export(d.FileName, members, areaComs, filterNames);
+                        } catch (Exception exc) {
+                            MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                        }
+                    });
+                    Mouse.OverrideCursor = null;
+                }
+            } else if (mode == ExportMode.Upload && App.Config.SyncUrl != null) {
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
                     try {
+                        var filename = $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip";
+                        var path = Path.Combine(App.TempPath, filename);
                         var members = await query
                             .OrderBy(m => m.MgNr)
                             .Include(m => m.BillingAddress)
@@ -506,99 +539,80 @@ namespace Elwig.Services {
                             .SelectMany(m => m.AreaCommitments)
                             .Include(c => c.Rd)
                             .ToListAsync();
-                        await ElwigData.Export(d.FileName, members, areaComs, filterNames);
+                        if (members.Count == 0) {
+                            MessageBox.Show("Es wurden keine Mitglieder zum Hochladen ausgewählt!", "Mitglieder hochladen",
+                                MessageBoxButton.OK, MessageBoxImage.Error);
+                        } else {
+                            await ElwigData.Export(path, members, areaComs, filterNames);
+                            await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                            MessageBox.Show($"Hochladen von {members.Count:N0} Mitgliedern erfolgreich!", "Mitglieder hochgeladen",
+                                MessageBoxButton.OK, MessageBoxImage.Information);
+                        }
+                    } catch (HttpRequestException exc) {
+                        MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Mitglieder hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
+                    } catch (TaskCanceledException exc) {
+                        MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Mitglieder hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
                     } catch (Exception exc) {
                         MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                     }
-                    Mouse.OverrideCursor = null;
-                }
-            } else if (mode == ExportMode.Upload && App.Config.SyncUrl != null) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    var filename = $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip";
-                    var path = Path.Combine(App.TempPath, filename);
-                    var members = await query
-                        .OrderBy(m => m.MgNr)
-                        .Include(m => m.BillingAddress)
-                        .Include(m => m.TelephoneNumbers)
-                        .Include(m => m.EmailAddresses)
-                        .AsSplitQuery()
-                        .ToListAsync();
-                    var areaComs = await query
-                        .SelectMany(m => m.AreaCommitments)
-                        .Include(c => c.Rd)
-                        .ToListAsync();
-                    if (members.Count == 0) {
-                        MessageBox.Show("Es wurden keine Mitglieder zum Hochladen ausgewählt!", "Mitglieder hochladen",
-                            MessageBoxButton.OK, MessageBoxImage.Error);
-                    } else {
-                        await ElwigData.Export(path, members, areaComs, filterNames);
-                        await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
-                        MessageBox.Show($"Hochladen von {members.Count:N0} Mitgliedern erfolgreich!", "Mitglieder hochgeladen",
-                            MessageBoxButton.OK, MessageBoxImage.Information);
-                    }
-                } catch (HttpRequestException exc) {
-                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Mitglieder hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
-                } catch (TaskCanceledException exc) {
-                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Mitglieder hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                });
                 Mouse.OverrideCursor = null;
             } else {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    var data = await MemberListData.FromQuery(query, filterNames, filterNames.Where(f => f.StartsWith("Flächenbindung")).Select(f => f.Split(' ')[^1]));
-                    using var doc = new MemberList(string.Join(" / ", filterNames), data);
-                    await Utils.ExportDocument(doc, mode);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        var data = await MemberListData.FromQuery(query, filterNames, filterNames.Where(f => f.StartsWith("Flächenbindung")).Select(f => f.Split(' ')[^1]));
+                        using var doc = new MemberList(string.Join(" / ", filterNames), data);
+                        await Utils.ExportDocument(doc, mode);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }
 
         public static async Task<int> UpdateMember(this MemberAdminViewModel vm, int? oldMgNr) {
             var newMgNr = (int)vm.MgNr!;
+            var m = new Member {
+                MgNr = oldMgNr ?? newMgNr,
+                PredecessorMgNr = vm.PredecessorMgNr,
+                IsJuridicalPerson = vm.IsJuridicalPerson,
+                Prefix = vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.Prefix) ? null : vm.Prefix,
+                GivenName = vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.GivenName) ? null : vm.GivenName,
+                Name = vm.Name!,
+                Suffix = vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.Suffix) ? null : vm.Suffix,
+                ForTheAttentionOf = !vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.ForTheAttentionOf) ? null : vm.ForTheAttentionOf,
+                Birthday = string.IsNullOrEmpty(vm.Birthday) ? null : string.Join("-", vm.Birthday!.Split(".").Reverse()),
+                IsDeceased = vm.IsDeceased,
+                CountryNum = 40,  // Austria AT AUT
+                PostalDestId = vm.Ort!.Id,
+                Address = vm.Address!,
 
-            using (var ctx = new AppDbContext()) {
-                var m = new Member {
-                    MgNr = oldMgNr ?? newMgNr,
-                    PredecessorMgNr = vm.PredecessorMgNr,
-                    IsJuridicalPerson = vm.IsJuridicalPerson,
-                    Prefix = vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.Prefix) ? null : vm.Prefix,
-                    GivenName = vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.GivenName) ? null : vm.GivenName,
-                    Name = vm.Name!,
-                    Suffix = vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.Suffix) ? null : vm.Suffix,
-                    ForTheAttentionOf = !vm.IsJuridicalPerson || string.IsNullOrWhiteSpace(vm.ForTheAttentionOf) ? null : vm.ForTheAttentionOf,
-                    Birthday = string.IsNullOrEmpty(vm.Birthday) ? null : string.Join("-", vm.Birthday!.Split(".").Reverse()),
-                    IsDeceased = vm.IsDeceased,
-                    CountryNum = 40,  // Austria AT AUT
-                    PostalDestId = vm.Ort!.Id,
-                    Address = vm.Address!,
+                Iban = string.IsNullOrEmpty(vm.Iban) ? null : vm.Iban?.Replace(" ", ""),
+                Bic = string.IsNullOrEmpty(vm.Bic) ? null : vm.Bic,
 
-                    Iban = string.IsNullOrEmpty(vm.Iban) ? null : vm.Iban?.Replace(" ", ""),
-                    Bic = string.IsNullOrEmpty(vm.Bic) ? null : vm.Bic,
+                UstIdNr = string.IsNullOrEmpty(vm.UstIdNr) ? null : vm.UstIdNr,
+                LfbisNr = string.IsNullOrEmpty(vm.LfbisNr) ? null : vm.LfbisNr,
+                IsBuchführend = vm.IsBuchführend,
+                IsOrganic = vm.IsOrganic,
 
-                    UstIdNr = string.IsNullOrEmpty(vm.UstIdNr) ? null : vm.UstIdNr,
-                    LfbisNr = string.IsNullOrEmpty(vm.LfbisNr) ? null : vm.LfbisNr,
-                    IsBuchführend = vm.IsBuchführend,
-                    IsOrganic = vm.IsOrganic,
-
-                    EntryDateString = string.IsNullOrEmpty(vm.EntryDate) ? null : string.Join("-", vm.EntryDate.Split(".").Reverse()),
-                    ExitDateString = string.IsNullOrEmpty(vm.ExitDate) ? null : string.Join("-", vm.ExitDate.Split(".").Reverse()),
-                    BusinessShares = (int)vm.BusinessShares!,
-                    AccountingNr = string.IsNullOrEmpty(vm.AccountingNr) ? null : vm.AccountingNr,
-                    IsActive = vm.IsActive,
-                    IsVollLieferant = vm.IsVollLieferant,
-                    IsFunktionär = vm.IsFunktionär,
-                    ZwstId = vm.Branch?.ZwstId,
-                    DefaultKgNr = vm.DefaultKg?.KgNr,
-                    Comment = string.IsNullOrEmpty(vm.Comment) ? null : vm.Comment,
-                    ContactViaPost = vm.ContactViaPost,
-                    ContactViaEmail = vm.ContactViaEmail,
-                };
+                EntryDateString = string.IsNullOrEmpty(vm.EntryDate) ? null : string.Join("-", vm.EntryDate.Split(".").Reverse()),
+                ExitDateString = string.IsNullOrEmpty(vm.ExitDate) ? null : string.Join("-", vm.ExitDate.Split(".").Reverse()),
+                BusinessShares = (int)vm.BusinessShares!,
+                AccountingNr = string.IsNullOrEmpty(vm.AccountingNr) ? null : vm.AccountingNr,
+                IsActive = vm.IsActive,
+                IsVollLieferant = vm.IsVollLieferant,
+                IsFunktionär = vm.IsFunktionär,
+                ZwstId = vm.Branch?.ZwstId,
+                DefaultKgNr = vm.DefaultKg?.KgNr,
+                Comment = string.IsNullOrEmpty(vm.Comment) ? null : vm.Comment,
+                ContactViaPost = vm.ContactViaPost,
+                ContactViaEmail = vm.ContactViaEmail,
+            };
 
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 if (oldMgNr != null) {
                     ctx.Update(m);
                 } else {
@@ -681,7 +695,7 @@ namespace Elwig.Services {
                 if (newMgNr != m.MgNr) {
                     await ctx.Database.ExecuteSqlAsync($"UPDATE member SET mgnr = {newMgNr} WHERE mgnr = {oldMgNr}");
                 }
-            }
+            });
 
             App.HintContextChange();
 
@@ -689,7 +703,8 @@ namespace Elwig.Services {
         }
 
         public static async Task DeleteMember(int mgnr, bool deletePaymentData, bool deleteDeliveries, bool deleteAreaComs) {
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 var l = (await ctx.Members.FindAsync(mgnr))!;
                 if (deletePaymentData) {
                     ctx.RemoveRange(l.Credits);
@@ -702,7 +717,8 @@ namespace Elwig.Services {
                 }
                 ctx.Remove(l);
                 await ctx.SaveChangesAsync();
-            }
+            });
+
             App.HintContextChange();
         }
     }

Elwig/Services/PaymentVariantService.cs

@@ -189,16 +189,41 @@ namespace Elwig.Services {
         }
 
         public static async Task GenerateSummary(PaymentVar v, ExportMode mode) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                using var ctx = new AppDbContext();
-                var data = await PaymentVariantSummaryData.ForPaymentVariant(v, ctx.PaymentVariantSummaryRows);
-                using var doc = new PaymentVariantSummary((await ctx.PaymentVariants.FindAsync(v.Year, v.AvNr))!, data);
-                await Utils.ExportDocument(doc, mode);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+            if (mode == ExportMode.SaveList) {
+                var d = new SaveFileDialog() {
+                    FileName = $"Variantendaten-{v.Name.Trim().Replace(' ', '-')}.ods",
+                    DefaultExt = "ods",
+                    Filter = "OpenDocument Format Spreadsheet (*.ods)|*.ods",
+                    Title = $"Variantendaten {v.Name} speichern unter - Elwig"
+                };
+                if (d.ShowDialog() == false)
+                    return;
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var ctx = new AppDbContext();
+                        var data = await PaymentVariantSummaryData.ForPaymentVariant(v, ctx.PaymentVariantSummaryRows);
+                        using var ods = new OdsFile(d.FileName);
+                        await ods.AddTable(data);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
+                Mouse.OverrideCursor = null;
+            } else {
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var ctx = new AppDbContext();
+                        var data = await PaymentVariantSummaryData.ForPaymentVariant(v, ctx.PaymentVariantSummaryRows);
+                        using var doc = new PaymentVariantSummary((await ctx.PaymentVariants.FindAsync(v.Year, v.AvNr))!, data);
+                        await Utils.ExportDocument(doc, mode);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
+                Mouse.OverrideCursor = null;
             }
-            Mouse.OverrideCursor = null;
         }
 
         public static async Task GenerateEbics(int year, int avnr) {
@@ -225,13 +250,15 @@ namespace Elwig.Services {
                 Title = $"Überweisungsdaten speichern unter - Elwig",
             };
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    using var e = new Ebics(v, d.FileName, App.Client.ExportEbicsVersion, (Ebics.AddressMode)App.Client.ExportEbicsAddress);
-                    await e.ExportAsync(Transaction.FromPaymentVariant(v));
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var e = new Ebics(v, d.FileName, App.Client.ExportEbicsVersion, (Ebics.AddressMode)App.Client.ExportEbicsAddress);
+                        await e.ExportAsync(Transaction.FromPaymentVariant(v));
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }
@@ -244,23 +271,26 @@ namespace Elwig.Services {
                 Title = $"Buchungsliste speichern unter - Elwig"
             };
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    using var ctx = new AppDbContext();
-                    var tbl = await CreditNoteData.ForPaymentVariant(ctx, year, avnr);
-                    using var ods = new OdsFile(d.FileName);
-                    await ods.AddTable(tbl);
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var ctx = new AppDbContext();
+                        var tbl = await CreditNoteData.ForPaymentVariant(ctx, year, avnr);
+                        using var ods = new OdsFile(d.FileName);
+                        await ods.AddTable(tbl);
+                    } catch (Exception exc) {
+                        MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
         }
 
         public static async Task<PaymentVar> CreatePaymentVariant(int year) {
-            PaymentVar? v;
-            using (var ctx = new AppDbContext()) {
-                v = new PaymentVar {
+            Mouse.OverrideCursor = Cursors.Wait;
+            var v = await Task.Run(async () => {
+                using var ctx = new AppDbContext();
+                var v = new PaymentVar {
                     Year = year,
                     AvNr = await ctx.NextAvNr(year),
                     Name = "Neue Auszahlungsvariante",
@@ -270,15 +300,17 @@ namespace Elwig.Services {
                 };
                 ctx.Add(v);
                 await ctx.SaveChangesAsync();
-            }
+                return v;
+            });
             App.HintContextChange();
+            Mouse.OverrideCursor = null;
             return v;
         }
 
         public static async Task<PaymentVar> Duplicate(this PaymentVar orig) {
-            PaymentVar? n;
-            using (var ctx = new AppDbContext()) {
-                n = new PaymentVar {
+            var n = await Task.Run(async () => {
+                using var ctx = new AppDbContext();
+                var n = new PaymentVar {
                     Year = orig.Year,
                     AvNr = await ctx.NextAvNr(orig.Year),
                     Name = $"{orig.Name} (Kopie)",
@@ -286,10 +318,10 @@ namespace Elwig.Services {
                     DateString = $"{DateTime.Today:yyyy-MM-dd}",
                     Data = orig.Data,
                 };
-
                 ctx.Add(n);
                 await ctx.SaveChangesAsync();
-            }
+                return n;
+            });
             App.HintContextChange();
             return n;
         }
@@ -297,18 +329,18 @@ namespace Elwig.Services {
         public static async Task<(int, int)> UpdatePaymentVariant(this PaymentVariantsViewModel vm, int? oldYear, int? oldAvNr) {
             var year = oldYear ?? Utils.CurrentYear;
             int avnr = 0;
+            await Task.Run(async () => {
+                var d = App.Config.Debug ? BillingData.FromJson(vm.Data ?? "{}") : vm.BillingData!;
+                d.ConsiderDelieryModifiers = vm.ConsiderModifiers;
+                d.ConsiderContractPenalties = vm.ConsiderPenalties;
+                d.ConsiderTotalPenalty = vm.ConsiderPenalty;
+                d.ConsiderAutoBusinessShares = vm.ConsiderAuto;
+                d.ConsiderCustomModifiers = vm.ConsiderCustom;
+                var modVal = vm.WeightModifier ?? 0;
+                d.NetWeightModifier = modVal > 0 ? modVal / 100.0 : 0;
+                d.GrossWeightModifier = modVal < 0 ? modVal / 100.0 : 0;
 
-            var d = App.Config.Debug ? BillingData.FromJson(vm.Data ?? "{}") : vm.BillingData!;
-            d.ConsiderDelieryModifiers = vm.ConsiderModifiers;
-            d.ConsiderContractPenalties = vm.ConsiderPenalties;
-            d.ConsiderTotalPenalty = vm.ConsiderPenalty;
-            d.ConsiderAutoBusinessShares = vm.ConsiderAuto;
-            d.ConsiderCustomModifiers = vm.ConsiderCustom;
-            var modVal = vm.WeightModifier ?? 0;
-            d.NetWeightModifier = modVal > 0 ? modVal / 100.0 : 0;
-            d.GrossWeightModifier = modVal < 0 ? modVal / 100.0 : 0;
-
-            using (var ctx = new AppDbContext()) {
+                using var ctx = new AppDbContext();
                 var v = new PaymentVar {
                     Year = year,
                     AvNr = oldAvNr ?? await ctx.NextAvNr(year),
@@ -323,24 +355,44 @@ namespace Elwig.Services {
                 avnr = v.AvNr;
                 ctx.Update(v);
                 await ctx.SaveChangesAsync();
-            }
+            });
             vm.WeightModifierChanged = false;
             App.HintContextChange();
             return (year, avnr);
         }
 
         public static async Task DeletePaymentVariant(int year, int avnr) {
-            using (var ctx = new AppDbContext()) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
                 var v = (await ctx.PaymentVariants.FindAsync(year, avnr))!;
                 ctx.Remove(v);
                 await ctx.SaveChangesAsync();
-            }
+            });
             App.HintContextChange();
         }
 
         public static async Task Calculate(int year, int avnr) {
-            var b = new BillingVariant(year, avnr);
-            await b.Calculate();
+            await Task.Run(async () => {
+                var b = new BillingVariant(year, avnr);
+                await b.Calculate();
+            });
+            App.HintContextChange();
+        }
+
+        public static async Task Commit(int year, int avnr) {
+            await Task.Run(async () => {
+                var b = new BillingVariant(year, avnr);
+                await b.Commit();
+            });
+            App.HintContextChange();
+        }
+
+        public static async Task Revert(int year, int avnr) {
+            await Task.Run(async () => {
+                var b = new BillingVariant(year, avnr);
+                await b.Revert();
+            });
+            App.HintContextChange();
         }
     }
 }

Elwig/Windows/AreaComAdminWindow.xaml.cs

@@ -203,13 +203,9 @@ namespace Elwig.Windows {
                 $"Soll die Flächenbindung {a.GstNr} ({a.Area} m²) wirklich unwiderruflich gelöscht werden?",
                 "Flächenbindung löschen", MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
             if (r == MessageBoxResult.OK) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
-                    using (var ctx = new AppDbContext()) {
-                        ctx.Remove(a);
-                        await ctx.SaveChangesAsync();
-                    }
-                    App.HintContextChange();
+                    await AreaComService.DeleteAreaCom(a.FbNr);
                 } catch (Exception exc) {
                     var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
                     if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
@@ -227,7 +223,7 @@ namespace Elwig.Windows {
 
         private async void AreaCommitmentSaveButton_Click(object? sender, RoutedEventArgs? evt) {
             AreaCommitmentSaveButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
 
             int fbnr;
             try {
@@ -237,9 +233,8 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Flächenbindung aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
                 AreaCommitmentSaveButton.IsEnabled = true;
-                return;
-            } finally {
                 Mouse.OverrideCursor = null;
+                return;
             }
 
             IsEditing = false;
@@ -252,6 +247,7 @@ namespace Elwig.Windows {
             FinishInputFilling();
             await RefreshList();
             RefreshInputs();
+            Mouse.OverrideCursor = null;
             ViewModel.SearchQuery = "";
             ControlUtils.SelectItem(AreaCommitmentList, AreaCommitmentList.ItemsSource.Cast<AreaCom>().Where(a => a.FbNr == fbnr).FirstOrDefault());
         }

Elwig/Windows/BaseDataWindow.xaml.Season.cs

@@ -157,7 +157,7 @@ namespace Elwig.Windows {
             }
             var d = new NewSeasonDialog(s, currencies);
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
                     using var ctx = new AppDbContext();
                     ctx.Add(new Season {
@@ -209,7 +209,7 @@ namespace Elwig.Windows {
                 $"Soll die Saison {s.Year} wirklich unwiderruflich gelöscht werden?",
                 "Saison löschen", MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
             if (r == MessageBoxResult.OK) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
                     using var ctx = new AppDbContext();
                     ctx.Remove(s);

Elwig/Windows/BaseDataWindow.xaml.cs

@@ -318,8 +318,7 @@ namespace Elwig.Windows {
 
         private async void SaveButton_Click(object? sender, RoutedEventArgs? evt) {
             SaveButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
-
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 await Save();
             } catch (Exception exc) {
@@ -327,9 +326,8 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Stammdaten aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
                 SaveButton.IsEnabled = true;
-                return;
-            } finally {
                 Mouse.OverrideCursor = null;
+                return;
             }
 
             IsEditing = false;
@@ -349,6 +347,7 @@ namespace Elwig.Windows {
             }
 
             App.HintContextChange();
+            Mouse.OverrideCursor = null;
         }
 
         private void FillInputs(ClientParameters p, Season? s) {

Elwig/Windows/ChartWindow.xaml.cs

@@ -639,10 +639,11 @@ namespace Elwig.Windows {
 
         private async void SaveButton_Click(object sender, RoutedEventArgs e) {
             SaveButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
 
             try {
-                using (var ctx = new AppDbContext()) {
+                await Task.Run(async () => {
+                    using var ctx = new AppDbContext();
                     var origData = BillingData.FromJson(PaymentVar.Data);
                     var data = BillingData.FromGraphEntries(GraphEntries, origData, Utils.GetVaributes(ctx, Year),
                         AllVaributesAssigned, AllVaributesAssignedAbgew);
@@ -650,27 +651,31 @@ namespace Elwig.Windows {
                     PaymentVar.Data = data.ToJsonString();
                     ctx.Update(PaymentVar);
                     await ctx.SaveChangesAsync();
-                }
-                try {
-                    var b = new BillingVariant(PaymentVar.Year, PaymentVar.AvNr);
-                    await b.Calculate();
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Berechnungsfehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
-                LockContext = false;
-                App.HintContextChange();
+                });
             } catch (Exception exc) {
+                Mouse.OverrideCursor = null;
                 var str = "Der Eintrag konnte nicht in der Datenbank gespeichert werden!\n\n" + exc.Message;
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Auszahlungsvariante speichern", MessageBoxButton.OK, MessageBoxImage.Error);
                 SaveButton.IsEnabled = true;
                 return;
-            } finally {
-                Mouse.OverrideCursor = null;
             }
 
+            try {
+                await Task.Run(async () => {
+                    var b = new BillingVariant(PaymentVar.Year, PaymentVar.AvNr);
+                    await b.Calculate();
+                });
+            } catch (Exception exc) {
+                MessageBox.Show(exc.Message, "Berechnungsfehler", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+
+            LockContext = false;
+            App.HintContextChange();
             LockContext = true;
             SetHasChanged(false);
+
+            Mouse.OverrideCursor = null;
         }
 
         private void EnableTextBox(TextBox u) {

Elwig/Windows/DeliveryAdminWindow.xaml.cs

@@ -719,7 +719,7 @@ namespace Elwig.Windows {
         private async void NewDeliveryPartButton_Click(object sender, RoutedEventArgs evt) {
             FinishButton.IsEnabled = false;
             NewDeliveryPartButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             DeliveryPartList.IsEnabled = false;
 
             DeliveryPart? p;
@@ -757,7 +757,7 @@ namespace Elwig.Windows {
         private async void FinishButton_Click(object sender, RoutedEventArgs evt) {
             FinishButton.IsEnabled = false;
             NewDeliveryPartButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             DeliveryPartList.IsEnabled = false;
 
             DeliveryPart? p;
@@ -888,7 +888,7 @@ namespace Elwig.Windows {
             if (res == null)
                 return;
 
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 var id = res.Value.Item1;
                 var weights = res.Value.Item2;
@@ -959,7 +959,7 @@ namespace Elwig.Windows {
                 $"Soll die Lieferung {d.LsNr} ({d.Member.AdministrativeName}, MgNr. {d.Member.MgNr}) wirklich unwiderruflich gelöscht werden?",
                 "Lieferung löschen", MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
             if (r == MessageBoxResult.OK) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
                     await DeliveryService.DeleteDelivery(d.LsNr);
                 } catch (Exception exc) {
@@ -979,7 +979,7 @@ namespace Elwig.Windows {
 
         private async void SaveButton_Click(object? sender, RoutedEventArgs? evt) {
             SaveButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
 
             DeliveryPart? p;
             try {
@@ -996,9 +996,8 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Lieferung aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
                 SaveButton.IsEnabled = true;
-                return;
-            } finally {
                 Mouse.OverrideCursor = null;
+                return;
             }
 
             IsEditing = false;
@@ -1015,6 +1014,7 @@ namespace Elwig.Windows {
             await RefreshDeliveryParts();
             RefreshInputs();
 
+            Mouse.OverrideCursor = null;
             DepreciateButton.IsEnabled = true;
         }
 

Elwig/Windows/DeliveryAncmtAdminWindow.xaml.cs

@@ -317,18 +317,19 @@ namespace Elwig.Windows {
                 $"Soll die Anmeldung wirklich unwiderruflich gelöscht werden?",
                 "Anmeldung löschen", MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
             if (r == MessageBoxResult.OK) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    using (var ctx = new AppDbContext()) {
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var ctx = new AppDbContext();
                         ctx.Remove(a);
                         await ctx.SaveChangesAsync();
+                    } catch (Exception exc) {
+                        var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
+                        if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
+                        MessageBox.Show(str, "Anmeldung löschen", MessageBoxButton.OK, MessageBoxImage.Error);
                     }
-                    App.HintContextChange();
-                } catch (Exception exc) {
-                    var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
-                    if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
-                    MessageBox.Show(str, "Anmeldung löschen", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                });
+                App.HintContextChange();
                 Mouse.OverrideCursor = null;
             }
         }
@@ -340,7 +341,7 @@ namespace Elwig.Windows {
         }
 
         private async void SaveButton_Click(object? sender, RoutedEventArgs? evt) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             SaveButton.IsEnabled = false;
 
             int year = -1, dsnr = -1, mgnr = -1;

Elwig/Windows/DeliveryScheduleAdminWindow.xaml.cs

@@ -177,18 +177,19 @@ namespace Elwig.Windows {
                 $"Soll der Leseplan \"{s.Description}\" vom {s.Date:dd.MM.yyyy} wirklich unwiderruflich gelöscht werden?",
                 "Leseplan löschen", MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
             if (r == MessageBoxResult.OK) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                try {
-                    using (var ctx = new AppDbContext()) {
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    try {
+                        using var ctx = new AppDbContext();
                         ctx.Remove(s);
                         await ctx.SaveChangesAsync();
+                    } catch (Exception exc) {
+                        var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
+                        if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
+                        MessageBox.Show(str, "Leseplan löschen", MessageBoxButton.OK, MessageBoxImage.Error);
                     }
-                    App.HintContextChange();
-                } catch (Exception exc) {
-                    var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
-                    if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
-                    MessageBox.Show(str, "Leseplan löschen", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
+                });
+                App.HintContextChange();
                 Mouse.OverrideCursor = null;
             }
         }
@@ -200,7 +201,7 @@ namespace Elwig.Windows {
         }
 
         private async void SaveButton_Click(object? sender, RoutedEventArgs? evt) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             SaveButton.IsEnabled = false;
 
             try {

Elwig/Windows/MailWindow.xaml.cs

@@ -602,7 +602,7 @@ namespace Elwig.Windows {
             PreviewButton.IsEnabled = false;
             PrintButton.IsEnabled = false;
             EmailButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             GenerateButton.IsEnabled = false;
 
             DisposeDocs();
@@ -828,25 +828,27 @@ namespace Elwig.Windows {
             EmailButton.IsEnabled = EmailDocuments != null && App.Config.Smtp != null;
         }
 
-        private void PreviewButton_Click(object sender, RoutedEventArgs evt) {
+        private async void PreviewButton_Click(object sender, RoutedEventArgs evt) {
             var d = new OpenFolderDialog() {
                 Title = "Ordner auswählen - Elwig",
             };
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                PrintDocument?.SaveTo($"{d.FolderName}/Print.pdf");
-                if (EmailDocuments != null) {
-                    foreach (var (m, docs) in EmailDocuments) {
-                        var folder = $"{d.FolderName}/E-Mail/{m.AdministrativeName.Trim()}";
-                        Directory.CreateDirectory(folder);
-                        foreach (var item in docs.Select((d, i) => new { Index = i, Doc = d })) {
-                            var doc = item.Doc;
-                            var name = Utils.NormalizeFileName(doc.Title);
-                            doc.SaveTo($"{folder}/{item.Index + 1:00}.{name}.pdf");
-                        }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(() => {
+                    PrintDocument?.SaveTo($"{d.FolderName}/Print.pdf");
+                    if (EmailDocuments != null) {
+                        foreach (var (m, docs) in EmailDocuments) {
+                            var folder = $"{d.FolderName}/E-Mail/{m.AdministrativeName.Trim()}";
+                            Directory.CreateDirectory(folder);
+                            foreach (var item in docs.Select((d, i) => new { Index = i, Doc = d })) {
+                                var doc = item.Doc;
+                                var name = Utils.NormalizeFileName(doc.Title);
+                                doc.SaveTo($"{folder}/{item.Index + 1:00}.{name}.pdf");
+                            }
 
+                        }
                     }
-                }
+                });
                 Mouse.OverrideCursor = null;
                 Process.Start("explorer.exe", d.FolderName);
             }
@@ -862,20 +864,22 @@ namespace Elwig.Windows {
             var res = MessageBox.Show($"Sollen {PrintDocument.Pages} Blätter ({PrintDocument.TotalPages} Seiten) gedruckt werden?",
                 "Rundschreiben drucken", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No);
             if (res == MessageBoxResult.Yes) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                if (App.Config.Debug) {
-                    PrintDocument.Show();
-                } else {
-                    await PrintDocument.Print();
-                    await Utils.AddSentMails(
-                        PrintMemberDocuments.Select(d => (
-                            "postal", d.Key.MgNr, d.Key.AdministrativeName,
-                            new string[] { d.Value.Select(d => (d as BusinessDocument)?.Address).FirstOrDefault(a => a != null) ?? d.Key.FullAddress },
-                            d.Value.Select(d => d.Title).FirstOrDefault("Briefkopf"),
-                            d.Value.Select(d => d.Title).ToArray()
-                        ))
-                    );
-                }
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
+                    if (App.Config.Debug) {
+                        PrintDocument.Show();
+                    } else {
+                        await PrintDocument.Print();
+                        await Utils.AddSentMails(
+                            PrintMemberDocuments.Select(d => (
+                                "postal", d.Key.MgNr, d.Key.AdministrativeName,
+                                new string[] { d.Value.Select(d => (d as BusinessDocument)?.Address).FirstOrDefault(a => a != null) ?? d.Key.FullAddress },
+                                d.Value.Select(d => d.Title).FirstOrDefault("Briefkopf"),
+                                d.Value.Select(d => d.Title).ToArray()
+                            ))
+                        );
+                    }
+                });
                 Mouse.OverrideCursor = null;
             }
 
@@ -893,8 +897,8 @@ namespace Elwig.Windows {
 
             SmtpClient? client = null;
             try {
-                Mouse.OverrideCursor = Cursors.AppStarting;
-                client = await Utils.GetSmtpClient();
+                Mouse.OverrideCursor = Cursors.Wait;
+                client = await Task.Run(Utils.GetSmtpClient);
                 Mouse.OverrideCursor = null;
 
                 var res = MessageBox.Show($"Sollen {EmailDocuments.Count:N0} E-Mails verschickt werden?",
@@ -903,31 +907,33 @@ namespace Elwig.Windows {
                     return;
                 }
 
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 var subject = EmailSubjectInput.Text;
                 var text = EmailBodyInput.Text;
-                await Utils.AddSentMailBody(subject, text, EmailDocuments.Count);
-                foreach (var (m, docs) in EmailDocuments) {
-                    using var msg = new MimeMessage();
-                    msg.From.Add(new MailboxAddress(App.Client.NameFull, App.Config.Smtp.Value.From));
-                    msg.To.AddRange(m.EmailAddresses.OrderBy(a => a.Nr).Select(a => new MailboxAddress(m.AdministrativeName, a.Address)));
-                    msg.Subject = subject;
-                    var body = new Multipart("mixed") {
-                        new TextPart("plain") { Text = text }
-                    };
-                    foreach (var doc in docs) {
-                        var name = Utils.NormalizeFileName(doc.Title);
-                        body.Add(doc.AsEmailAttachment($"{name}.pdf"));
+                await Task.Run(async () => {
+                    await Utils.AddSentMailBody(subject, text, EmailDocuments.Count);
+                    foreach (var (m, docs) in EmailDocuments) {
+                        using var msg = new MimeMessage();
+                        msg.From.Add(new MailboxAddress(App.Client.NameFull, App.Config.Smtp.Value.From));
+                        msg.To.AddRange(m.EmailAddresses.OrderBy(a => a.Nr).Select(a => new MailboxAddress(m.AdministrativeName, a.Address)));
+                        msg.Subject = subject;
+                        var body = new Multipart("mixed") {
+                            new TextPart("plain") { Text = text }
+                        };
+                        foreach (var doc in docs) {
+                            var name = Utils.NormalizeFileName(doc.Title);
+                            body.Add(doc.AsEmailAttachment($"{name}.pdf"));
+                        }
+                        msg.Body = body;
+                        await client!.SendAsync(msg);
+                        await Utils.AddSentMails([(
+                            "email", m.MgNr, m.AdministrativeName,
+                            m.EmailAddresses.OrderBy(a => a.Nr).Select(a => a.Address).ToArray(),
+                            subject,
+                            docs.Select(d => d.Title).ToArray()
+                        )]);
                     }
-                    msg.Body = body;
-                    await client!.SendAsync(msg);
-                    await Utils.AddSentMails([(
-                        "email", m.MgNr, m.AdministrativeName,
-                        m.EmailAddresses.OrderBy(a => a.Nr).Select(a => a.Address).ToArray(),
-                        subject,
-                        docs.Select(d => d.Title).ToArray()
-                    )]);
-                }
+                });
 
                 MessageBox.Show("Erfolgreich alle E-Mails verschickt!", "Rundschreiben verschicken", MessageBoxButton.OK, MessageBoxImage.Information);
             } catch (Exception exc) {

Elwig/Windows/MainWindow.xaml.cs

@@ -62,7 +62,7 @@ namespace Elwig.Windows {
         }
 
         private async void Menu_Help_Smtp_Click(object sender, RoutedEventArgs evt) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 using var client = await Utils.GetSmtpClient();
                 await client!.DisconnectAsync(true);
@@ -133,8 +133,10 @@ namespace Elwig.Windows {
                     Multiselect = true,
                 };
                 if (d.ShowDialog() == true) {
-                    Mouse.OverrideCursor = Cursors.AppStarting;
-                    await ElwigData.Import(d.FileNames, ElwigData.ImportMode.Interactively);
+                    Mouse.OverrideCursor = Cursors.Wait;
+                    await Task.Run(async () => {
+                        await ElwigData.Import(d.FileNames, ElwigData.ImportMode.Interactively);
+                    });
                 }
             } catch (Exception exc) {
                 MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -145,77 +147,81 @@ namespace Elwig.Windows {
         private async void DownloadButton_Click(object sender, RoutedEventArgs evt) {
             if (App.Config.SyncUrl == null)
                 return;
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var data = await Utils.GetExportMetaData(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
-                var files = data
-                    .Select(f => new {
-                        Name = f!["name"]!.AsValue().GetValue<string>(),
-                        Timestamp = f!["timestamp"] != null && DateTime.TryParseExact(f!["timestamp"]!.AsValue().GetValue<string>(), "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None, out var dt) ? dt : (DateTime?)null,
-                        ZwstId = f!["meta"]?["zwstid"]?.AsValue().GetValue<string>() ?? f!["zwstid"]?.AsValue().GetValue<string>(),
-                        Device = f!["meta"]?["device"]!.AsValue().GetValue<string>(),
-                        Url = f!["url"]!.AsValue().GetValue<string>(),
-                        Size = f!["size"]!.AsValue().GetValue<long>(),
-                    })
-                    .Where(f => f.Timestamp >= new DateTime(Utils.CurrentLastSeason, 7, 1))
-                    .ToList();
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var data = await Utils.GetExportMetaData(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                    var files = data
+                        .Select(f => new {
+                            Name = f!["name"]!.AsValue().GetValue<string>(),
+                            Timestamp = f!["timestamp"] != null && DateTime.TryParseExact(f!["timestamp"]!.AsValue().GetValue<string>(), "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None, out var dt) ? dt : (DateTime?)null,
+                            ZwstId = f!["meta"]?["zwstid"]?.AsValue().GetValue<string>() ?? f!["zwstid"]?.AsValue().GetValue<string>(),
+                            Device = f!["meta"]?["device"]!.AsValue().GetValue<string>(),
+                            Url = f!["url"]!.AsValue().GetValue<string>(),
+                            Size = f!["size"]!.AsValue().GetValue<long>(),
+                        })
+                        .Where(f => f.Timestamp >= new DateTime(Utils.CurrentLastSeason, 7, 1))
+                        .ToList();
 
-                var imported = await ElwigData.GetImportedFiles();
-                var import = files
-                    .Where(f => f.Device != Environment.MachineName && !imported.Contains(f.Name))
-                    .ToList();
-                var paths = new List<string>();
-                using (var client = Utils.GetHttpClient(App.Config.SyncUsername, App.Config.SyncPassword)) {
-                    foreach (var f in import) {
-                        var filename = Path.Combine(App.TempPath, f.Name);
-                        using var stream = new FileStream(filename, FileMode.Create);
-                        await client.DownloadAsync(f.Url, stream);
-                        paths.Add(filename);
+                    var imported = await ElwigData.GetImportedFiles();
+                    var import = files
+                        .Where(f => f.Device != Environment.MachineName && !imported.Contains(f.Name))
+                        .ToList();
+                    var paths = new List<string>();
+                    using (var client = Utils.GetHttpClient(App.Config.SyncUsername, App.Config.SyncPassword)) {
+                        foreach (var f in import) {
+                            var filename = Path.Combine(App.TempPath, f.Name);
+                            using var stream = new FileStream(filename, FileMode.Create);
+                            await client.DownloadAsync(f.Url, stream);
+                            paths.Add(filename);
+                        }
                     }
+                    await ElwigData.Import(paths, ElwigData.ImportMode.FromBranches);
+                } catch (HttpRequestException exc) {
+                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                } catch (TaskCanceledException exc) {
+                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
-                await ElwigData.Import(paths, ElwigData.ImportMode.FromBranches);
-            } catch (HttpRequestException exc) {
-                MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            } catch (TaskCanceledException exc) {
-                MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+            });
             Mouse.OverrideCursor = null;
         }
 
         private async void UploadButton_Click(object sender, RoutedEventArgs evt) {
             if (App.Config.SyncUrl == null)
                 return;
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var path = Path.Combine(App.TempPath, $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip");
-                using var ctx = new AppDbContext();
-                var deliveries = await ctx.Deliveries
-                    .Where(d => d.Year == Utils.CurrentLastSeason && d.ZwstId == App.ZwstId)
-                    .Include(d => d.Parts)
-                    .ThenInclude(p => p.PartModifiers)
-                    .OrderBy(d => d.DateString)
-                    .ThenBy(d => d.TimeString)
-                    .ThenBy(d => d.LsNr)
-                    .AsSplitQuery()
-                    .ToListAsync();
-                if (deliveries.Count == 0) {
-                    MessageBox.Show("Es gibt keine Lieferungen, die hochgeladen werden können!", "Lieferungen hochladen",
-                        MessageBoxButton.OK, MessageBoxImage.Error);
-                } else {
-                    await ElwigData.Export(path, deliveries, [$"{Utils.CurrentLastSeason}", $"Zweigstelle {App.BranchName}"]);
-                    await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
-                    MessageBox.Show($"Hochladen von {deliveries.Count:N0} Lieferungen erfolgreich!", "Lieferungen hochladen",
-                        MessageBoxButton.OK, MessageBoxImage.Information);
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var path = Path.Combine(App.TempPath, $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip");
+                    using var ctx = new AppDbContext();
+                    var deliveries = await ctx.Deliveries
+                        .Where(d => d.Year == Utils.CurrentLastSeason && d.ZwstId == App.ZwstId)
+                        .Include(d => d.Parts)
+                        .ThenInclude(p => p.PartModifiers)
+                        .OrderBy(d => d.DateString)
+                        .ThenBy(d => d.TimeString)
+                        .ThenBy(d => d.LsNr)
+                        .AsSplitQuery()
+                        .ToListAsync();
+                    if (deliveries.Count == 0) {
+                        MessageBox.Show("Es gibt keine Lieferungen, die hochgeladen werden können!", "Lieferungen hochladen",
+                            MessageBoxButton.OK, MessageBoxImage.Error);
+                    } else {
+                        await ElwigData.Export(path, deliveries, [$"{Utils.CurrentLastSeason}", $"Zweigstelle {App.BranchName}"]);
+                        await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                        MessageBox.Show($"Hochladen von {deliveries.Count:N0} Lieferungen erfolgreich!", "Lieferungen hochladen",
+                            MessageBoxButton.OK, MessageBoxImage.Information);
+                    }
+                } catch (HttpRequestException exc) {
+                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } catch (TaskCanceledException exc) {
+                    MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
-            } catch (HttpRequestException exc) {
-                MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
-            } catch (TaskCanceledException exc) {
-                MessageBox.Show("Eventuell Internetverbindung prüfen!\n\n" + exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -270,24 +276,31 @@ namespace Elwig.Windows {
             AreaCommitmentsButton.IsEnabled = valid;
             BreakdownMemberVarietyButton.IsEnabled = valid;
 
+            SeasonStatMembersTotal.Text = "-";
+            SeasonStatMembersGeb.Text = "-";
+            SeasonStatWeightTotal.Text = "-";
+            SeasonStatWeightGeb.Text = "-";
+            SeasonStatWeightUngeb.Text = "-";
+            SeasonStatArea.Text = "-";
             if (valid) {
-                var areaComs = Utils.ActiveAreaCommitments(ctx.AreaCommitments, year!.Value);
-                var weightTotal = await ctx.DeliveryParts.Where(p => p.Year == year).SumAsync(p => p.Weight);
-                var gebWeight = await ctx.DeliveryPartBuckets.Where(b => b.Year == year && b.Discr != "_").SumAsync(b => b.Value);
-                SeasonStatMembersTotal.Text = $"{await ctx.Deliveries.Where(d => d.Year == year).Select(d => d.Member).Distinct().CountAsync():N0}";
-                SeasonStatMembersGeb.Text = $"{await areaComs.Select(c => c.Member).Distinct().CountAsync():N0}";
-                SeasonStatWeightTotal.Text = $"{weightTotal:N0} kg";
-                SeasonStatWeightGeb.Text = $"{gebWeight:N0} kg";
-                SeasonStatWeightUngeb.Text = $"{weightTotal - gebWeight:N0} kg";
-                SeasonStatArea.Text = $"{await areaComs.SumAsync(c => c.Area):N0} m²";
-            } else {
-                SeasonStatMembersTotal.Text = "-";
-                SeasonStatMembersGeb.Text = "-";
-                SeasonStatWeightTotal.Text = "-";
-                SeasonStatWeightGeb.Text = "-";
-                SeasonStatWeightUngeb.Text = "-";
-                SeasonStatArea.Text = "-";
-            }
+                await Task.Run(async () => {
+                    var membersTotal = await ctx.Deliveries.Where(d => d.Year == year).Select(d => d.Member).Distinct().CountAsync();
+                    var areaComs = Utils.ActiveAreaCommitments(ctx.AreaCommitments, year!.Value);
+                    var membersGeb = await areaComs.Select(c => c.Member).Distinct().CountAsync();
+                    var weightTotal = await ctx.DeliveryParts.Where(p => p.Year == year).SumAsync(p => p.Weight);
+                    var gebWeight = await ctx.DeliveryPartBuckets.Where(b => b.Year == year && b.Discr != "_").SumAsync(b => b.Value);
+                    var area = await areaComs.SumAsync(c => c.Area);
+                    await App.MainDispatcher.BeginInvoke(() => {
+                        if (year != SeasonInput.Value) return;
+                        SeasonStatMembersTotal.Text = $"{membersTotal:N0}";
+                        SeasonStatMembersGeb.Text = $"{membersGeb:N0}";
+                        SeasonStatWeightTotal.Text = $"{weightTotal:N0} kg";
+                        SeasonStatWeightGeb.Text = $"{gebWeight:N0} kg";
+                        SeasonStatWeightUngeb.Text = $"{weightTotal - gebWeight:N0} kg";
+                        SeasonStatArea.Text = $"{area:N0} m²";
+                    });
+                });
+            };
         }
 
         private void DeliveryConfirmationButton_Click(object sender, RoutedEventArgs evt) {
@@ -315,22 +328,24 @@ namespace Elwig.Windows {
             if (d.ShowDialog() == false)
                 return;
 
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var b = new Billing(year);
-                await b.FinishSeason();
-                await b.CalculateBuckets();
-                App.HintContextChange();
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var b = new Billing(year);
+                    await b.FinishSeason();
+                    await b.CalculateBuckets();
+                    App.HintContextChange();
 
-                using var ctx = new AppDbContext();
-                var tbl1 = await OverUnderDeliveryData.ForSeason(ctx.OverUnderDeliveryRows, year);
-                var tbl2 = await AreaComUnderDeliveryData.ForSeason(ctx.AreaComUnderDeliveryRows, year);
-                using var ods = new OdsFile(d.FileName);
-                await ods.AddTable(tbl1);
-                await ods.AddTable(tbl2);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+                    using var ctx = new AppDbContext();
+                    var tbl1 = await OverUnderDeliveryData.ForSeason(ctx.OverUnderDeliveryRows, year);
+                    var tbl2 = await AreaComUnderDeliveryData.ForSeason(ctx.AreaComUnderDeliveryRows, year);
+                    using var ods = new OdsFile(d.FileName);
+                    await ods.AddTable(tbl1);
+                    await ods.AddTable(tbl2);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -346,24 +361,26 @@ namespace Elwig.Windows {
             if (d.ShowDialog() == false)
                 return;
 
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var b = new Billing(year);
-                await b.FinishSeason();
-                await b.CalculateBuckets();
-                App.HintContextChange();
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var b = new Billing(year);
+                    await b.FinishSeason();
+                    await b.CalculateBuckets();
+                    App.HintContextChange();
 
-                using var ctx = new AppDbContext();
-                using var ods = new OdsFile(d.FileName);
-                var tblTotal = await WeightBreakdownData.ForSeason(ctx.WeightBreakDownRows, year);
-                await ods.AddTable(tblTotal);
-                foreach (var branch in await ctx.Branches.OrderBy(b => b.Name).ToListAsync()) {
-                    var tbl = await WeightBreakdownData.ForSeason(ctx.WeightBreakDownRows, year, branch);
-                    await ods.AddTable(tbl);
+                    using var ctx = new AppDbContext();
+                    using var ods = new OdsFile(d.FileName);
+                    var tblTotal = await WeightBreakdownData.ForSeason(ctx.WeightBreakDownRows, year);
+                    await ods.AddTable(tblTotal);
+                    foreach (var branch in await ctx.Branches.OrderBy(b => b.Name).ToListAsync()) {
+                        var tbl = await WeightBreakdownData.ForSeason(ctx.WeightBreakDownRows, year, branch);
+                        await ods.AddTable(tbl);
+                    }
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -379,20 +396,22 @@ namespace Elwig.Windows {
             if (d.ShowDialog() == false)
                 return;
 
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var b = new Billing(year);
-                await b.FinishSeason();
-                await b.CalculateBuckets();
-                App.HintContextChange();
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var b = new Billing(year);
+                    await b.FinishSeason();
+                    await b.CalculateBuckets();
+                    App.HintContextChange();
 
-                using var ctx = new AppDbContext();
-                var tbl = await MemberAreaComsData.ForSeason(ctx.MemberAreaComsRows, year);
-                using var ods = new OdsFile(d.FileName);
-                await ods.AddTable(tbl);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+                    using var ctx = new AppDbContext();
+                    var tbl = await MemberAreaComsData.ForSeason(ctx.MemberAreaComsRows, year);
+                    using var ods = new OdsFile(d.FileName);
+                    await ods.AddTable(tbl);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
 
@@ -408,20 +427,22 @@ namespace Elwig.Windows {
             if (d.ShowDialog() == false)
                 return;
 
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                var b = new Billing(year);
-                await b.FinishSeason();
-                await b.CalculateBuckets();
-                App.HintContextChange();
+            Mouse.OverrideCursor = Cursors.Wait;
+            await Task.Run(async () => {
+                try {
+                    var b = new Billing(year);
+                    await b.FinishSeason();
+                    await b.CalculateBuckets();
+                    App.HintContextChange();
 
-                using var ctx = new AppDbContext();
-                var tbl = await MemberDeliveryPerVarietyData.ForSeason(ctx.MemberDeliveryPerVariantRows, year);
-                using var ods = new OdsFile(d.FileName);
-                await ods.AddTable(tbl);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
+                    using var ctx = new AppDbContext();
+                    var tbl = await MemberDeliveryPerVarietyData.ForSeason(ctx.MemberDeliveryPerVariantRows, year);
+                    using var ods = new OdsFile(d.FileName);
+                    await ods.AddTable(tbl);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            });
             Mouse.OverrideCursor = null;
         }
     }

Elwig/Windows/MemberAdminWindow.xaml.cs

@@ -389,7 +389,7 @@ namespace Elwig.Windows {
             }
             var d = new DeleteMemberDialog(m.MgNr, m.AdministrativeName, areaComs, deliveries, credits);
             if (d.ShowDialog() == true) {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 try {
                     await MemberService.DeleteMember(m.MgNr, d.DeletePaymentData, d.DeleteDeliveries, d.DeleteAreaComs);
                 } catch (Exception exc) {
@@ -408,7 +408,7 @@ namespace Elwig.Windows {
         }
 
         private async void SaveButton_Click(object? sender, RoutedEventArgs? evt) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             SaveButton.IsEnabled = false;
 
             int mgnr;
@@ -419,9 +419,8 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Mitglied aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
                 SaveButton.IsEnabled = true;
-                return;
-            } finally {
                 Mouse.OverrideCursor = null;
+                return;
             }
 
             IsEditing = false;
@@ -436,6 +435,7 @@ namespace Elwig.Windows {
             await RefreshList();
             RefreshInputs();
             ViewModel.SearchQuery = "";
+            Mouse.OverrideCursor = null;
             if (mgnr is int m)
                 FocusMember(m);
         }
@@ -491,15 +491,17 @@ namespace Elwig.Windows {
 
         private async void Menu_Contact_Letterhead_Click(object sender, RoutedEventArgs evt) {
             if (ViewModel.SelectedMember is not Member m) return;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
-                using var doc = new Letterhead(m);
-                await doc.Generate();
-                if (!App.Config.Debug) {
-                    await doc.Print();
-                } else {
-                    doc.Show();
-                }
+                await Task.Run(async () => {
+                    using var doc = new Letterhead(m);
+                    await doc.Generate();
+                    if (!App.Config.Debug) {
+                        await doc.Print();
+                    } else {
+                        doc.Show();
+                    }
+                });
             } catch (Exception exc) {
                 MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
             }

Elwig/Windows/PaymentAdjustmentWindow.xaml.cs

@@ -156,7 +156,7 @@ namespace Elwig.Windows {
         }
 
         private async void AutoAdjustBsButton_Click(object sender, RoutedEventArgs evt) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 int? kg = AllowanceKgInput.Text == "" ? null : int.Parse(AllowanceKgInput.Text);
                 double? bs = AllowanceBsInput.Text == "" ? null : double.Parse(AllowanceBsInput.Text);
@@ -169,10 +169,12 @@ namespace Elwig.Windows {
                 App.Client.AutoAdjustBs.AllowanceKgPerBs = kgPerBs;
                 App.Client.AutoAdjustBs.AllowancePercent = percent;
                 App.Client.AutoAdjustBs.MinBs = minBs;
-                await App.Client.UpdateValues();
 
-                var b = new Billing(Year);
-                await b.AutoAdjustBusinessShares(new DateOnly(Year, 11, 30), kg ?? default, bs ?? default, kgPerBs ?? default, percent / 100.0 ?? default, minBs ?? default);
+                await Task.Run(async () => {
+                    await App.Client.UpdateValues();
+                    var b = new Billing(Year);
+                    await b.AutoAdjustBusinessShares(new DateOnly(Year, 11, 30), kg ?? default, bs ?? default, kgPerBs ?? default, percent / 100.0 ?? default, minBs ?? default);
+                });
                 App.HintContextChange();
             } catch (Exception exc) {
                 var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
@@ -183,10 +185,12 @@ namespace Elwig.Windows {
         }
 
         private async void UnAdjustBsButton_Click(object sender, RoutedEventArgs evt) {
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
-                var b = new Billing(Year);
-                await b.UnAdjustBusinessShares();
+                await Task.Run(async () => {
+                    var b = new Billing(Year);
+                    await b.UnAdjustBusinessShares();
+                });
                 App.HintContextChange();
             } catch (Exception exc) {
                 var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
@@ -281,29 +285,31 @@ namespace Elwig.Windows {
 
         private async void CustomButton_Click(object sender, RoutedEventArgs evt) {
             if (MemberInput.SelectedItem is not Member m) return;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
-                using var ctx = new AppDbContext();
-                if (CustomPayments?.TryGetValue(m.MgNr, out var p) == true) {
-                    ctx.Remove(p);
-                }
-                if (sender == SaveCustomButton) {
-                    var modAbs = decimal.TryParse(CustomModAbsInput.Text, out var n1) ? (decimal?)n1 : null;
-                    var modRel = decimal.TryParse(CustomModRelInput.Text, out var n2) ? (decimal?)n2 / 100 : null;
-                    var amount = decimal.TryParse(CustomAmountInput.Text, out var n3) ? (decimal?)n3 : null;
-                    var modText = CustomModCommentInput.Text.Trim();
-                    var text = CustomCommentInput.Text.Trim();
-                    ctx.Add(new PaymentCustom {
-                        MgNr = m.MgNr,
-                        Year = Year,
-                        ModAbs = modAbs,
-                        ModRel = modRel,
-                        ModComment = modText == "" ? null : modText,
-                        Amount = amount,
-                        Comment = text == "" ? null : text,
-                    });
-                }
-                await ctx.SaveChangesAsync();
+                await Task.Run(async () => {
+                    using var ctx = new AppDbContext();
+                    if (CustomPayments?.TryGetValue(m.MgNr, out var p) == true) {
+                        ctx.Remove(p);
+                    }
+                    if (sender == SaveCustomButton) {
+                        var modAbs = decimal.TryParse(CustomModAbsInput.Text, out var n1) ? (decimal?)n1 : null;
+                        var modRel = decimal.TryParse(CustomModRelInput.Text, out var n2) ? (decimal?)n2 / 100 : null;
+                        var amount = decimal.TryParse(CustomAmountInput.Text, out var n3) ? (decimal?)n3 : null;
+                        var modText = CustomModCommentInput.Text.Trim();
+                        var text = CustomCommentInput.Text.Trim();
+                        ctx.Add(new PaymentCustom {
+                            MgNr = m.MgNr,
+                            Year = Year,
+                            ModAbs = modAbs,
+                            ModRel = modRel,
+                            ModComment = modText == "" ? null : modText,
+                            Amount = amount,
+                            Comment = text == "" ? null : text,
+                        });
+                    }
+                    await ctx.SaveChangesAsync();
+                });
             } catch (Exception exc) {
                 var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;

Elwig/Windows/PaymentVariantsWindow.xaml.cs

@@ -98,7 +98,9 @@ namespace Elwig.Windows {
         }
 
         private async void CopyButton_Click(object sender, RoutedEventArgs evt) {
-            if (PaymentVariantList.SelectedItem is not PaymentVar orig) return;
+            if (PaymentVariantList.SelectedItem is not PaymentVar orig)
+                return;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 PaymentVar n = await orig.Duplicate();
                 ControlUtils.SelectItem(PaymentVariantList, n);
@@ -107,10 +109,13 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Auszahlungsvariante kopieren", MessageBoxButton.OK, MessageBoxImage.Error);
             }
+            Mouse.OverrideCursor = null;
         }
 
         private async void DeleteButton_Click(object sender, RoutedEventArgs evt) {
-            if (PaymentVariantList.SelectedItem is not PaymentVar v || !v.TestVariant) return;
+            if (PaymentVariantList.SelectedItem is not PaymentVar v || !v.TestVariant)
+                return;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 await PaymentVariantService.DeletePaymentVariant(v.Year, v.AvNr);
             } catch (Exception exc) {
@@ -118,19 +123,19 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Auszahlungsvariante löschen", MessageBoxButton.OK, MessageBoxImage.Error);
             }
+            Mouse.OverrideCursor = null;
         }
 
         private async void CalculateButton_Click(object sender, RoutedEventArgs evt) {
             if (PaymentVariantList.SelectedItem is not PaymentVar v)
                 return;
             ViewModel.CalculateIsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 await PaymentVariantService.Calculate(v.Year, v.AvNr);
             } catch (Exception exc) {
                 MessageBox.Show(exc.Message, "Berechnungsfehler", MessageBoxButton.OK, MessageBoxImage.Error);
             }
-            App.HintContextChange();
             Mouse.OverrideCursor = null;
             ViewModel.CalculateIsEnabled = true;
         }
@@ -161,24 +166,7 @@ namespace Elwig.Windows {
         private async void Menu_SummaryExport_Click(object sender, RoutedEventArgs evt) {
             if (PaymentVariantList.SelectedItem is not PaymentVar v)
                 return;
-            var d = new SaveFileDialog() {
-                FileName = $"Variantendaten-{v.Name.Trim().Replace(' ', '-')}.ods",
-                DefaultExt = "ods",
-                Filter = "OpenDocument Format Spreadsheet (*.ods)|*.ods",
-                Title = $"Variantendaten {v.Name} speichern unter - Elwig"
-            };
-            if (d.ShowDialog() == false)
-                return;
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            try {
-                using var ctx = new AppDbContext();
-                var data = await PaymentVariantSummaryData.ForPaymentVariant(v, ctx.PaymentVariantSummaryRows);
-                using var ods = new OdsFile(d.FileName);
-                await ods.AddTable(data);
-            } catch (Exception exc) {
-                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
-            Mouse.OverrideCursor = null;
+            await PaymentVariantService.GenerateSummary(v, ExportMode.SaveList);
         }
 
         private async void Menu_SummaryShow_Click(object sender, RoutedEventArgs evt) {
@@ -203,16 +191,14 @@ namespace Elwig.Windows {
             if (PaymentVariantList.SelectedItem is not PaymentVar v)
                 return;
             ViewModel.CommitIsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
-                var b = new BillingVariant(v.Year, v.AvNr);
-                await b.Commit();
+                await PaymentVariantService.Commit(v.Year, v.AvNr);
             } catch (Exception exc) {
                 MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
             }
             Mouse.OverrideCursor = null;
             ViewModel.RevertIsEnabled = true;
-            App.HintContextChange();
         }
 
         private async void RevertButton_Click(object sender, RoutedEventArgs evt) {
@@ -225,10 +211,12 @@ namespace Elwig.Windows {
             if (res != MessageBoxResult.Yes)
                 return;
             ViewModel.RevertIsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
-            var b = new BillingVariant(v.Year, v.AvNr);
-            await b.Revert();
-            App.HintContextChange();
+            Mouse.OverrideCursor = Cursors.Wait;
+            try {
+                await PaymentVariantService.Revert(v.Year, v.AvNr);
+            } catch (Exception exc) {
+                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
             Mouse.OverrideCursor = null;
             ViewModel.CommitIsEnabled = true;
         }
@@ -250,7 +238,9 @@ namespace Elwig.Windows {
         }
 
         private async void SaveButton_Click(object sender, RoutedEventArgs evt) {
-            if (PaymentVariantList.SelectedItem is not PaymentVar v || ViewModel.BillingData == null) return;
+            if (PaymentVariantList.SelectedItem is not PaymentVar v || ViewModel.BillingData == null)
+                return;
+            Mouse.OverrideCursor = Cursors.Wait;
             try {
                 await ViewModel.UpdatePaymentVariant(v.Year, v.AvNr);
             } catch (Exception exc) {
@@ -259,6 +249,7 @@ namespace Elwig.Windows {
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Auszahlungsvariante aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
             }
+            Mouse.OverrideCursor = null;
             await HintContextChange();
             CommentInput_TextChanged(null, null);
             DateInput_TextChanged(null, null);