Improved Boilerplate Windows client's exception handling (#8622)

src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Windows/App.xaml.cs

@@ -60,7 +60,12 @@ private void App_DispatcherUnhandledException(object sender, System.Windows.Thre
         {
             ((MainWindow)MainWindow).AppWebView.Services.GetRequiredService<IExceptionHandler>().Handle(e.Exception);
         }
-        catch { }
+        catch
+        {
+            var errorMessage = e.Exception.ToString();
+            System.Windows.Clipboard.SetText(errorMessage);
+            System.Windows.Forms.MessageBox.Show(errorMessage, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
 
         e.Handled = true;
     }

src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Windows/Program.cs

@@ -24,11 +24,11 @@ public static void Main(string[] args)
         var application = new App();
         Task.Run(async () =>
         {
+            var services = await App.Current.Dispatcher.InvokeAsync(() => ((MainWindow)App.Current.MainWindow).AppWebView.Services);
             try
             {
-                var services = await App.Current.Dispatcher.InvokeAsync(() => ((MainWindow)App.Current.MainWindow).AppWebView.Services);
                 var windowsUpdateSettings = services.GetRequiredService<IOptionsSnapshot<WindowsUpdateSettings>>().Value;
-                if (windowsUpdateSettings?.FilesUrl is null)
+                if (string.IsNullOrEmpty(windowsUpdateSettings?.FilesUrl))
                 {
                     return;
                 }
@@ -43,7 +43,10 @@ public static void Main(string[] args)
                     }
                 }
             }
-            catch { }
+            catch (Exception exp)
+            {
+                services.GetRequiredService<IExceptionHandler>().Handle(exp);
+            }
         });
         application.Run();
     }