gui: add event to handle EndUpdating

Pilz.Updating.Client.GUI/UpdateClientGUI.cs

@@ -1,13 +1,16 @@
 using Pilz.UI;
 using Pilz.UI.Telerik.Dialogs;
 using Pilz.Updating.Client.Gui.LangRes;
-using Pilz.Updating.Client.GUI;
 using Telerik.WinControls;
 
 namespace Pilz.Updating.Client.Gui;
 
 public class UpdateClientGui
 {
+    // E v e n t s
+
+    public event UpdateEndedEventHandler OnUpdateEnded;
+
     // F i e l d s
 
     private Form parentForm;
@@ -16,7 +19,7 @@ public class UpdateClientGui
 
     // P r o p e r t i e s
 
-    public bool UseHiddenSearch { get; set; } = false;
+    public bool UseHiddenSearch { get; set; }
 
     private static Image MyAppIcon => Icon.ExtractAssociatedIcon(IO.Extensions.GetExecutablePath()).ToBitmap();
 
@@ -42,9 +45,15 @@ public class UpdateClientGui
     }
 
     private void EndUpdating()
+    {
+        EndUpdating(false);
+    }
+
+    private void EndUpdating(bool success)
     {
         curProgressDialog.AllowClose = true;
         curProgressDialog?.Invoke(curProgressDialog.Close);
+        OnUpdateEnded?.Invoke(this, new(success));
     }
 
     // E v e n t s
@@ -86,6 +95,8 @@ public class UpdateClientGui
         switch (e.Status)
         {
             case UpdateStatus.Done:
+                EndUpdating(true);
+                break;
             case UpdateStatus.Failed:
             case UpdateStatus.Canceled:
                 EndUpdating();