add custom shadow clipping to demo

Author: ButchersBoy

MainDemo.Wpf/Shadows.xaml

@@ -6,7 +6,7 @@
              xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
              mc:Ignorable="d" 
              d:DesignHeight="300" d:DesignWidth="300">
-    <StackPanel Margin="0 8 0 0">
+    <StackPanel Margin="8 8 0 0">
         <TextBlock>Raised controls have default shadows set, but the shadows can be overriden.</TextBlock>
         <StackPanel Orientation="Horizontal" Margin="0 32 0 0">
             <Button Style="{DynamicResource MaterialDesignRaisedButton}"                    
@@ -56,6 +56,13 @@
             <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth4" Margin="16 0 0 0" Padding="32">DEPTH 4</materialDesign:Card>
             <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth5" Margin="16 0 0 0" Padding="32">DEPTH 5</materialDesign:Card>
         </StackPanel>
+        <StackPanel Orientation="Horizontal" Margin="0 32 0 0">
+            <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" materialDesign:ShadowAssist.ShadowEdges="Bottom,Right" Padding="32">CUSTOM CLIP</materialDesign:Card>
+            <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" materialDesign:ShadowAssist.ShadowEdges="Top" Margin="16 0 0 0" Padding="32">CUSTOM CLIP</materialDesign:Card>
+            <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" materialDesign:ShadowAssist.ShadowEdges="Bottom,Left" Margin="16 0 0 0" Padding="32">CUSTOM CLIP</materialDesign:Card>
+
+            
+        </StackPanel>
 
     </StackPanel>
 </UserControl>