Bug fix

Views/EditPointDialog.axaml.cs

@@ -1,12 +1,16 @@
-using Avalonia.Controls;
+using System;
+using Avalonia.Controls;
 using CommunityToolkit.Mvvm.Messaging;
 using GazpromApp.Messages;
+using GazpromApp.Models;
 using GazpromApp.ViewModels;
 
 namespace GazpromApp.Views;
 
 public partial class EditPointDialog : Window
 {
+    public Point? Point;
+    
     public EditPointDialog()
     {
         InitializeComponent();
@@ -14,6 +18,7 @@ public partial class EditPointDialog : Window
         if (Design.IsDesignMode)
             return;
         
+        // view image
         WeakReferenceMessenger.Default.Register<EditPointDialog, ViewImageMessage>(this, static (w, m) =>
         {
             ImageView dialog = new ImageView()
@@ -28,4 +33,15 @@ public partial class EditPointDialog : Window
             w.Close(m.Point);
         });
     }
+
+    private void Window_OnClosing(object? sender, WindowClosingEventArgs e)
+    {
+        if (DataContext is EditPointDialogViewModel { IsClosed: false } vm)
+            vm.CancelEditCommand.Execute(this);
+    }
+
+    private void Window_OnClosed(object? sender, EventArgs e)
+    {
+        WeakReferenceMessenger.Default.Unregister<ViewImageMessage>(this);
+    }
 }