completed the branch

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/SpriteDemoViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using GalaSoft.MvvmLight;
+using HandyControl.Controls;
+using HandyControlDemo.UserControl;
+#if netle40
+using GalaSoft.MvvmLight.Command;
+#else
+using GalaSoft.MvvmLight.CommandWpf;
+# endif
+
+namespace HandyControlDemo
+{
+    public class SpriteDemoViewModel : ViewModelBase
+    {
+        public RelayCommand OpenCmd => new Lazy<RelayCommand>(() =>
+            new RelayCommand(()=> Sprite.Show(new AppSprite()))).Value;
+    }
+}

src/Shared/HandyControlDemo_Shared/ViewModel/ViewModelLocator.cs

@@ -39,6 +39,7 @@ namespace HandyControlDemo.ViewModel
             SimpleIoc.Default.Register<TabControlDemoViewModel>();
             SimpleIoc.Default.Register<NoUserViewModel>();
             SimpleIoc.Default.Register<CardDemoViewModel>();
+            SimpleIoc.Default.Register<SpriteDemoViewModel>();
         }
 
         public static ViewModelLocator Instance => new Lazy<ViewModelLocator>(() =>
@@ -90,6 +91,8 @@ namespace HandyControlDemo.ViewModel
 
         public CardDemoViewModel CardDemo => new CardDemoViewModel(ServiceLocator.Current.GetInstance<DataService>());
 
+        public SpriteDemoViewModel SpriteDemo => ServiceLocator.Current.GetInstance<SpriteDemoViewModel>();
+
         #endregion
     }
 }