add BlendEffectBox

src/Shared/HandyControl_Shared/Themes/Styles/BlendEffectBox.xaml

@@ -0,0 +1,14 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:effects="clr-namespace:HandyControl.Media.Effects">
+
+    <Style TargetType="effects:BlendEffectBox">
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="effects:BlendEffectBox">
+                    <ContentPresenter ContentSource="ActualContent"/>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>

src/Shared/HandyControl_Shared/Themes/Styles/Style.xaml

@@ -84,6 +84,7 @@
         <ResourceDictionary Source="FlowDocument.xaml"/>
         <ResourceDictionary Source="NavigationWindow.xaml"/>
         <ResourceDictionary Source="Frame.xaml"/>
+        <ResourceDictionary Source="BlendEffectBox.xaml"/>
     </ResourceDictionary.MergedDictionaries>
 
 </ResourceDictionary>