Modifying points works

Views/EditPointDialog.axaml.cs

@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using CommunityToolkit.Mvvm.Messaging;
 using GazpromApp.Messages;
+using GazpromApp.ViewModels;
 
 namespace GazpromApp.Views;
 
@@ -10,6 +11,18 @@ public partial class EditPointDialog : Window
     {
         InitializeComponent();
         
+        if (Design.IsDesignMode)
+            return;
+        
+        WeakReferenceMessenger.Default.Register<EditPointDialog, ViewImageMessage>(this, static (w, m) =>
+        {
+            ImageView dialog = new ImageView()
+            {
+                DataContext = m.Image
+            };
+            m.Reply(dialog.ShowDialog<ImageViewModel?>(w));
+        });
+        
         WeakReferenceMessenger.Default.Register<EditPointDialog, EditPointDone>(this, static (w, m) =>
         {
             w.Close(m.Point);