completed the branch

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

@@ -1,7 +1,12 @@
 <UserControl x:Class="HandyControlDemo.UserControl.SpriteDemoCtl"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:userControl="clr-namespace:HandyControlDemo.UserControl"
+             xmlns:hc="https://handyorg.github.io/handycontrol"
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             DataContext="{Binding SpriteDemo,Source={StaticResource Locator}}"
+             Width="300"
              Background="{DynamicResource RegionBrush}">
-    <userControl:UnderConstruction/>
+    <hc:TransitioningContentControl>
+        <Button Margin="32" Command="{Binding OpenCmd}" Content="{x:Static langs:Lang.OpenSprite}"/>
+    </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Main/AppSprite.xaml

@@ -0,0 +1,9 @@
+<hc:SimplePanel x:Class="HandyControlDemo.UserControl.AppSprite"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:hc="https://handyorg.github.io/handycontrol">
+    <Border Background="White" CornerRadius="20" Effect="{StaticResource EffectShadow4}">
+        <Path Width="70" Height="70" Data="{StaticResource LogoGeometry}" Fill="#f06632"/>
+    </Border>
+    <Button Command="hc:ControlCommands.CloseWindow" CommandParameter="{Binding RelativeSource={RelativeSource Self}}" Visibility="{Binding IsMouseOver,RelativeSource={RelativeSource AncestorType=hc:SimplePanel},Converter={StaticResource Boolean2VisibilityConverter}}" Width="22" Height="22" Style="{StaticResource ButtonIcon}" Foreground="White" hc:IconElement.Geometry="{StaticResource ErrorGeometry}" Padding="0" HorizontalAlignment="Right" VerticalAlignment="Top" Margin="0,-8,-8,0"/>
+</hc:SimplePanel>

src/Shared/HandyControlDemo_Shared/UserControl/Main/AppSprite.xaml.cs

@@ -0,0 +1,10 @@
+namespace HandyControlDemo.UserControl
+{
+    public partial class AppSprite
+    {
+        public AppSprite()
+        {
+            InitializeComponent();
+        }
+    }
+}