replace controls with hc

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

@@ -1,6 +1,6 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:controls="clr-namespace:HandyControl.Controls"
+                    xmlns:hc="clr-namespace:HandyControl.Controls"
                     xmlns:themes="clr-namespace:HandyControl.Themes">
 
     <ResourceDictionary.MergedDictionaries>
@@ -8,7 +8,7 @@
     </ResourceDictionary.MergedDictionaries>
 
     <Style x:Key="RectangleCircular" TargetType="Rectangle">
-        <Setter Property="controls:RectangleAttach.Circular" Value="True"/>
+        <Setter Property="hc:RectangleAttach.Circular" Value="True"/>
     </Style>
 
     <Style x:Key="RectangleFocusVisual" TargetType="Rectangle">
@@ -21,7 +21,7 @@
     </Style>
 
     <Style x:Key="RectangleFocusVisualCircular" BasedOn="{StaticResource RectangleFocusVisual}" TargetType="Rectangle">
-        <Setter Property="controls:RectangleAttach.Circular" Value="True"/>
+        <Setter Property="hc:RectangleAttach.Circular" Value="True"/>
     </Style>
 
 </ResourceDictionary>