Update SvgImage.cs

wieslawsoltes · Mar 14, 2024 · 1a9af44 · 1a9af44
1 parent 001cf40
commit 1a9af44
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/Avalonia.Svg/SvgImage.cs b/src/Avalonia.Svg/SvgImage.cs
@@ -13,6 +13,11 @@ namespace Avalonia.Svg;
 /// </summary>
 public class SvgImage : AvaloniaObject, IImage
 {
+    /// <summary>
+    /// Raised when the resource changes visually.
+    /// </summary>
+    public event EventHandler? Invalidated;
+
     /// <summary>
     /// Defines the <see cref="Source"/> property.
     /// </summary>
@@ -92,9 +97,17 @@ void IImage.Draw(
     protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
     {
         base.OnPropertyChanged(change);
+
         if (change.Property == SourceProperty)
         {
             // TODO: Invalidate IImage
+            RaiseInvalidated(EventArgs.Empty);
         }
     }
+
+    /// <summary>
+    /// Raises the <see cref="Invalidated"/> event.
+    /// </summary>
+    /// <param name="e">The event args.</param>
+    protected void RaiseInvalidated(EventArgs e) => Invalidated?.Invoke(this, e);
 }