check point

VisionBuilder.UI.Common/ExampleMainViewModel.cs

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+using System.Diagnostics.Metrics;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace VisionBuilder.UI.Common;
+
+public partial class ExampleMainViewModel : ObservableObject
+{
+
+    [ObservableProperty]
+    [NotifyCanExecuteChangedFor(nameof(IncrementCommand))]
+    private int _counter;
+
+    [RelayCommand(CanExecute = nameof(CanIncrement))]
+    private void Increment()
+    {
+        Counter++;
+    }
+
+    private bool CanIncrement => this.Counter < 10;
+}