更新

WPFluent/Markup/ImageIconExtension.cs

@@ -1,9 +1,11 @@
 
 
 
-using WPFluent.Controls;
 
 using System.Windows.Markup;
+using System.Windows.Media.Imaging;
+
+using WPFluent.Controls;
 
 namespace WPFluent.Markup;
 
@@ -22,7 +24,10 @@ namespace WPFluent.Markup;
 public class ImageIconExtension : MarkupExtension
 {
     public ImageIconExtension(ImageSource? source) { Source = source; }
-
+    public ImageIconExtension(string source)
+    {
+        Source = new BitmapImage(new Uri(source, UriKind.RelativeOrAbsolute));
+    }
     public override object ProvideValue(IServiceProvider serviceProvider)
     {
         var imageIcon = new ImageIcon { Source = Source, Width = Width, Height = Height, };