Modifying points works

ViewModels/Basic/ImageViewModel.cs

@@ -1,6 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.Runtime.InteropServices.JavaScript;
+using System.Collections.Generic;
+using System.IO;
 using Avalonia.Media.Imaging;
 using CommunityToolkit.Mvvm.ComponentModel;
 using GazpromApp.Models;
@@ -24,13 +23,23 @@ public partial class ImageViewModel : ViewModelBase
         Bytes = image.Bytes;
         Equipment = image.Equipment;
         Points = image.Points;
+        FileName = image.Bytes is { Length: > 0 } ? new Bitmap(new MemoryStream(image.Bytes)) : null;
+    }
+
+    public ImageViewModel()
+    {
+        Bytes = null;
+        Equipment = null;
+        Points = null;
     }
 
     public Image GetImage()
     {
+        MemoryStream ms = new MemoryStream();
+        FileName?.Save(ms);
         return new Image()
         {
-            Bytes = Bytes ?? [],
+            Bytes = ms.ToArray(),
             Equipment = Equipment ?? [],
             Points = Points ?? [],
         };