Adding cornerradius to image

Author: niels9001

components/MarkdownTextBlock/samples/MarkdownTextBlockCustomThemeSample.xaml.cs

@@ -9,6 +9,7 @@ namespace MarkdownTextBlockExperiment.Samples;
 /// <summary>
 /// A sample demonstrating custom theming options for the MarkdownTextBlock control with live editing.
 /// </summary>
+/// 
 [ToolkitSample(id: nameof(MarkdownTextBlockCustomThemeSample), "Custom Theme", description: "A sample showcasing custom theming options with live editing for headings, code blocks, quotes, tables, and more.")]
 public sealed partial class MarkdownTextBlockCustomThemeSample : MarkdownTextBlockCustomThemeSampleBase
 {
@@ -34,12 +35,16 @@ This sample demonstrates the **custom theming** capabilities of the `MarkdownTex
 
 ## Images
 
-Images can be styled with max width, max height, and stretch options. Notice how the text flows naturally without any gaps above or below the image:
+Images can be styled with max width, max height, corner radius, and stretch options. Notice how the text flows naturally without any gaps above or below the image:
 
 ![Windows Terminal](https://devblogs.microsoft.com/commandline/wp-content/uploads/sites/33/2025/11/0.96-Social-media-image-V2-1024x536.webp)
 
 The image above automatically scales to respect the max width setting while maintaining its aspect ratio. Text continues to flow seamlessly below it.
 
+![Shortcut Conflict](https://devblogs.microsoft.com/commandline/wp-content/uploads/sites/33/2025/09/ShortcutConflict.png)
+
+Here's another image showing how corner radius can be applied to give images rounded corners.
+
 ## Code Blocks
 
 ```csharp

components/MarkdownTextBlock/samples/MarkdownTextBlockCustomThemeSampleBase.cs

@@ -101,6 +101,9 @@ public abstract partial class MarkdownTextBlockCustomThemeSampleBase : Page
     public static readonly DependencyProperty ImageStretchIndexProperty =
         DependencyProperty.Register(nameof(ImageStretchIndex), typeof(int), typeof(MarkdownTextBlockCustomThemeSampleBase), new PropertyMetadata(0));
 
+    public static readonly DependencyProperty ImageCornerRadiusProperty =
+        DependencyProperty.Register(nameof(ImageCornerRadius), typeof(double), typeof(MarkdownTextBlockCustomThemeSampleBase), new PropertyMetadata(0d));
+
     public static readonly DependencyProperty BoldFontWeightIndexProperty =
         DependencyProperty.Register(nameof(BoldFontWeightIndex), typeof(int), typeof(MarkdownTextBlockCustomThemeSampleBase), new PropertyMetadata(0));
 
@@ -283,6 +286,12 @@ public int ImageStretchIndex
         set => SetValue(ImageStretchIndexProperty, value);
     }
 
+    public double ImageCornerRadius
+    {
+        get => (double)GetValue(ImageCornerRadiusProperty);
+        set => SetValue(ImageCornerRadiusProperty, value);
+    }
+
     public int BoldFontWeightIndex
     {
         get => (int)GetValue(BoldFontWeightIndexProperty);
@@ -426,6 +435,7 @@ public MarkdownThemes CreateThemes()
             ImageMaxWidth = ImageMaxWidth,
             ImageMaxHeight = ImageMaxHeight,
             ImageStretch = ImageStretchOptions[ImageStretchIndex],
+            ImageCornerRadius = new CornerRadius(ImageCornerRadius),
 
             BoldFontWeight = BoldFontWeights[BoldFontWeightIndex],
 
@@ -470,6 +480,7 @@ public void ResetToDefaults()
         ImageMaxWidth = 0;
         ImageMaxHeight = 0;
         ImageStretchIndex = 0;
+        ImageCornerRadius = 0;
 
         BoldFontWeightIndex = 0;