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

[#57 ] AreaComAdminWindow: Use Task.Run()
BaseDataWindow: Use Cursors.Wait instead of Cursors.AppStarting
2025-05-05 10:36:30 +02:00 · 2025-05-05 10:36:30 +02:00 · 2025-05-05 10:36:30 +02:00 · 2025-05-05 10:36:30 +02:00 · 2025-05-05 10:36:30 +02:00
11 changed files with 522 additions and 440 deletions
--- a/Elwig/App.xaml.cs
+++ b/Elwig/App.xaml.cs
@ -197,10 +197,12 @@ 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) {
--- a/Elwig/Helpers/Utils.cs
+++ b/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) {
--- a/Elwig/Services/AreaComService.cs
+++ b/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();
+        }
    }
 }
--- a/Elwig/Services/DeliveryService.cs
+++ b/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();
        }
    }
--- a/Elwig/Services/MemberService.cs
+++ b/Elwig/Services/MemberService.cs
@ -367,51 +367,57 @@ 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.Seasons, 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.Seasons, 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;
        }

@ -464,14 +470,16 @@ 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) {
@ -482,8 +490,33 @@ 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 = $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip";
+                        var path = Path.Combine(App.TempPath, filename);
                        var members = await query
                            .OrderBy(m => m.MgNr)
                            .Include(m => m.BillingAddress)
@ -495,99 +528,80 @@ namespace Elwig.Services {
                            .SelectMany(m => m.AreaCommitments)
                            .Include(c => c.Rd)
                            .ToListAsync();
-                        await ElwigData.Export(d.FileName, members, areaComs, filterNames);
+                        if (members.Count == 0) {
+                            MessageBox.Show("Es wurden keine Mitglieder zum Hochladen ausgewählt!", "Mitglieder hochladen",
+                                MessageBoxButton.OK, MessageBoxImage.Error);
+                        } else {
+                            await ElwigData.Export(path, members, areaComs, filterNames);
+                            await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                            MessageBox.Show($"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 {
@ -670,7 +684,7 @@ namespace Elwig.Services {
                if (newMgNr != m.MgNr) {
                    await ctx.Database.ExecuteSqlAsync($"UPDATE member SET mgnr = {newMgNr} WHERE mgnr = {oldMgNr}");
                }
-            }
+            });

            App.HintContextChange();

@ -678,7 +692,8 @@ 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);
@ -691,7 +706,8 @@ namespace Elwig.Services {
                }
                ctx.Remove(l);
                await ctx.SaveChangesAsync();
-            }
+            });
+
            App.HintContextChange();
        }
    }
--- a/Elwig/Windows/AreaComAdminWindow.xaml.cs
+++ b/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());
        }
--- a/Elwig/Windows/BaseDataWindow.xaml.Season.cs
+++ b/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);
--- a/Elwig/Windows/BaseDataWindow.xaml.cs
+++ b/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) {
--- a/Elwig/Windows/DeliveryAdminWindow.xaml.cs
+++ b/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;
        }

--- a/Elwig/Windows/MainWindow.xaml.cs
+++ b/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, "Fehler", 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, "Fehler", 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;
        }
    }
--- a/Elwig/Windows/MemberAdminWindow.xaml.cs
+++ b/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);
            }
Author	SHA1	Message	Date
Lorenz Stechauner	2ff53c67c3	[#57 ] MainWindow: Use Task.Run()	2025-05-05 10:36:30 +02:00
Lorenz Stechauner	3e1f8a910b	[#57 ] AreaComAdminWindow: Use Task.Run()	2025-05-05 10:36:30 +02:00
Lorenz Stechauner	ca1fb0f5e8	BaseDataWindow: Use Cursors.Wait instead of Cursors.AppStarting	2025-05-05 10:36:30 +02:00
Lorenz Stechauner	39d749ad2d	[#57 ] DeliveryAdminWindow: Use Task.Run()	2025-05-05 10:36:30 +02:00
Lorenz Stechauner	31c491d956	[#57 ] MemberAdminWinodw: Use Task.Run()	2025-05-05 10:36:30 +02:00