Added Undo List to hold freshly undid drawn Lines

2025-03-23 00:25:58 +01:00
parent aaa2715243
commit 7a8e8a0bd3
1 changed files with 3 additions and 1 deletions
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.ComponentModel.DataAnnotations;
 using System.IO;
@@ -27,6 +28,7 @@ public class ViewModelBase : ObservableObject
    public IRelayCommand<PointerReleasedEventArgs>? CanvasPointerReleasedCommand { get; set; }
    public ObservableCollection<DrawingPoints> DrawingPoints { get; set; } = new();
    public DrawingPoints? DrawingPoint { get; set; }
+    protected List<DrawingPoints> UndoDrawingPoints = new();

    protected bool IsDrawing { get; set; }