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

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();
@@ -828,12 +828,13 @@ 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;
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(() => {
                     PrintDocument?.SaveTo($"{d.FolderName}/Print.pdf");
                     if (EmailDocuments != null) {
                         foreach (var (m, docs) in EmailDocuments) {
@@ -847,6 +848,7 @@ namespace Elwig.Windows {
 
                         }
                     }
+                });
                 Mouse.OverrideCursor = null;
                 Process.Start("explorer.exe", d.FolderName);
             }
@@ -862,7 +864,8 @@ 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;
+                Mouse.OverrideCursor = Cursors.Wait;
+                await Task.Run(async () => {
                     if (App.Config.Debug) {
                         PrintDocument.Show();
                     } else {
@@ -876,6 +879,7 @@ namespace Elwig.Windows {
                             ))
                         );
                     }
+                });
                 Mouse.OverrideCursor = null;
             }
 
@@ -893,8 +897,8 @@ namespace Elwig.Windows {
 
             SmtpClient? client = null;
             try {
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
-                client = await Utils.GetSmtpClient();
+                client = await Task.Run(Utils.GetSmtpClient);
                 Mouse.OverrideCursor = null;
 
                 var res = MessageBox.Show($"Sollen {EmailDocuments.Count:N0} E-Mails verschickt werden?",
@@ -903,9 +907,10 @@ namespace Elwig.Windows {
                     return;
                 }
 
-                Mouse.OverrideCursor = Cursors.AppStarting;
+                Mouse.OverrideCursor = Cursors.Wait;
                 var subject = EmailSubjectInput.Text;
                 var text = EmailBodyInput.Text;
+                await Task.Run(async () => {
                     await Utils.AddSentMailBody(subject, text, EmailDocuments.Count);
                     foreach (var (m, docs) in EmailDocuments) {
                         using var msg = new MimeMessage();
@@ -928,6 +933,7 @@ namespace Elwig.Windows {
                             docs.Select(d => d.Title).ToArray()
                         )]);
                     }
+                });
 
                 MessageBox.Show("Erfolgreich alle E-Mails verschickt!", "Rundschreiben verschicken", MessageBoxButton.OK, MessageBoxImage.Information);
             } catch (Exception exc) {

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();
 
+                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 {
+                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;
@@ -281,8 +285,9 @@ 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 {
+                await Task.Run(async () => {
                     using var ctx = new AppDbContext();
                     if (CustomPayments?.TryGetValue(m.MgNr, out var p) == true) {
                         ctx.Remove(p);
@@ -304,6 +309,7 @@ namespace Elwig.Windows {
                         });
                     }
                     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;