completed the branch

src/Shared/HandyControlDemo_Shared/UserControl/Controls/SideMenuDemoCtl.xaml

@@ -2,11 +2,18 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:controls="clr-namespace:HandyControl.Controls;assembly=HandyControl"
-             xmlns:interactivity="clr-namespace:HandyControl.Interactivity;assembly=HandyControl"
+             xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
+             xmlns:command="http://www.galasoft.ch/mvvmlight"
+             DataContext="{Binding SideMenuDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
 
-    <Grid>
-        <controls:SideMenu ExpandMode="ShowOne" BorderThickness="1" Width="200" Margin="32">
+    <controls:TransitioningContentControl>
+        <controls:SideMenu BorderThickness="1" Width="200" Margin="32">
+            <i:Interaction.Triggers>
+                <i:EventTrigger EventName="SelectionChanged">
+                    <command:EventToCommand Command="{Binding SwitchItemCmd}" PassEventArgsToCommand="True" />
+                </i:EventTrigger>
+            </i:Interaction.Triggers>
             <controls:SideMenuItem Header="Overview">
                 <controls:SideMenuItem.Icon>
                     <Image Source="/HandyControlDemo;component/Resources/Img/DevOps/DevOps-Overview.png" Width="24" Height="24"/>
@@ -143,6 +150,6 @@
                 </controls:SideMenuItem>
             </controls:SideMenuItem>
         </controls:SideMenu>
-    </Grid>
+    </controls:TransitioningContentControl>
 
 </UserControl>