diff --git a/Tutorial/GacUI_Xml/Binding_ViewModel/Main.cpp b/Tutorial/GacUI_Xml/Binding_ViewModel/Main.cpp
index e64bc96a..9811e524 100644
--- a/Tutorial/GacUI_Xml/Binding_ViewModel/Main.cpp
+++ b/Tutorial/GacUI_Xml/Binding_ViewModel/Main.cpp
@@ -9,6 +9,15 @@ int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
 	return SetupWindowsDirect2DRenderer();
 }
 
+class ViewModelImpl : public Object, public virtual demo::IViewModel
+{
+public:
+	WString GetMessageFromName(WString name)override
+	{
+		return L"Hi, " + name + L"! How are you?";
+	}
+};
+
 void GuiMain()
 {
 	{
@@ -17,7 +26,7 @@ void GuiMain()
 		auto resource = GuiResource::LoadPrecompiledBinary(fileStream, errors);
 		GetResourceManager()->SetResource(L"Resource", resource);
 	}
-	demo::MainWindow window;
+	demo::MainWindow window(new ViewModelImpl);
 	window.MoveToScreenCenter();
 	GetApplication()->Run(&window);
 }
\ No newline at end of file
diff --git a/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Resource.xml b/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Resource.xml
index f60677fb..4123a1e4 100644
--- a/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Resource.xml
+++ b/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Resource.xml
@@ -13,13 +13,50 @@
     </Folder>
   </Folder>
   <Folder name="MainWindow">
+    <Script name="ViewModelResource">
+      <Workflow-ViewModel>
+        module script;
+        
+        namespace demo
+        {
+          interface IViewModel
+          {
+            func GetMessageFromName(name : string) : string;
+          }
+        }
+      </Workflow-ViewModel>
+    </Script>
     <Instance name="MainWindowResource">
       <Instance ref.CodeBehind="false" ref.Class="demo::MainWindow">
+        <ref.Parameter Name="ViewModel" Class="demo::IViewModel"/>
         <Window Text="Binding_ViewModel" ClientSize="x:480 y:320">
           <att.BoundsComposition-set PreferredMinSize="x:480 y:320"/>
-          <Label Text="This is a window!">
-            <att.Font>fontFamily:{Segoe UI} size:32 antialias:true</att.Font>
-          </Label>
+          <Table CellPadding="5" MinSizeLimitation="LimitToElementAndChildren" AlignmentToParent="left:0 top:0 right:0 bottom:0">
+            <att.Rows>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+            </att.Rows>
+            <att.Columns>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Absolute absolute:100</CellOption>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+            </att.Columns>
+
+            <Cell Site="row:0 column:0" InternalMargin="left:0 top:5 right:0 bottom:5">
+              <Label Text="Type your name : "/>
+            </Cell>
+            <Cell Site="row:0 column:1">
+              <SinglelineTextBox ref.Name="textBoxName" Text="Jack">
+                <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0" PreferredMinSize="y:24"/>
+              </SinglelineTextBox>
+            </Cell>
+
+            <Cell Site="row:1 column:0 columnSpan:2" InternalMargin="left:0 top:5 right:0 bottom:5">
+              <Label Text-bind="ViewModel.GetMessageFromName(textBoxName.Text)"/>
+            </Cell>
+
+          </Table>
         </Window>
       </Instance>
     </Instance>
diff --git a/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.cpp b/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.cpp
index aa0483a1..e3d76e68 100644
--- a/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.cpp
+++ b/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.cpp
@@ -16,9 +16,9 @@ namespace demo
 
 	// #endregion CLASS_MEMBER_GUIEVENT_HANDLER
 
-	MainWindow::MainWindow()
+	MainWindow::MainWindow(Ptr<demo::IViewModel> ViewModel)
 	{
-		InitializeComponents();
+		InitializeComponents(ViewModel);
 	}
 
 	MainWindow::~MainWindow()
@@ -35,11 +35,19 @@ namespace vl
 		namespace description
 		{
 			#define _ ,
+			IMPL_CPP_TYPE_INFO(demo::IViewModel)
 			IMPL_CPP_TYPE_INFO(demo::MainWindow)
 
+			BEGIN_CLASS_MEMBER(demo::IViewModel)
+				CLASS_MEMBER_BASE(vl::reflection::IDescriptable)
+				CLASS_MEMBER_METHOD(GetMessageFromName, { L"name" });
+			END_CLASS_MEMBER(demo::IViewModel)
+
 			BEGIN_CLASS_MEMBER(demo::MainWindow)
 				CLASS_MEMBER_BASE(vl::presentation::controls::GuiWindow)
-				CLASS_MEMBER_CONSTRUCTOR(demo::MainWindow*(), NO_PARAMETER)
+				CLASS_MEMBER_CONSTRUCTOR(demo::MainWindow*(Ptr<demo::IViewModel>), { L"ViewModel" })
+
+				CLASS_MEMBER_PROPERTY_READONLY_FAST(ViewModel)
 			END_CLASS_MEMBER(demo::MainWindow)
 
 			#undef _
@@ -49,6 +57,7 @@ namespace vl
 			public:
 				void Load(ITypeManager* manager)
 				{
+					ADD_TYPE_INFO(demo::IViewModel)
 					ADD_TYPE_INFO(demo::MainWindow)
 				}
 
diff --git a/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.h b/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.h
index 8088a85f..7a5ad841 100644
--- a/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.h
+++ b/Tutorial/GacUI_Xml/Binding_ViewModel/UI/Source/DemoPartialClasses.h
@@ -15,30 +15,48 @@ DO NOT MODIFY
 
 namespace demo
 {
+	class IViewModel;
 	class MainWindow;
 
+	class IViewModel : public virtual vl::reflection::IDescriptable, public vl::reflection::Description<IViewModel>
+	{
+	public:
+		virtual vl::WString GetMessageFromName(vl::WString name) = 0;
+	};
+
 	template<typename TImpl>
 	class MainWindow_ : public vl::presentation::controls::GuiWindow, public vl::presentation::GuiInstancePartialClass<vl::presentation::controls::GuiWindow>, public vl::reflection::Description<TImpl>
 	{
 		friend struct vl::reflection::description::CustomTypeDescriptorSelector<TImpl>;
 	private:
+		Ptr<demo::IViewModel> ViewModel_;
 	protected:
+		vl::presentation::controls::GuiSinglelineTextBox* textBoxName;
 
-		void InitializeComponents()
+		void InitializeComponents(Ptr<demo::IViewModel> ViewModel)
 		{
+			ViewModel_ = ViewModel;
 			if (InitializeFromResource())
 			{
+				GUI_INSTANCE_REFERENCE(textBoxName);
 			}
 			else
 			{
+				ViewModel_ = 0;
 			}
 		}
 	public:
 		MainWindow_()
 			:vl::presentation::GuiInstancePartialClass<vl::presentation::controls::GuiWindow>(L"demo::MainWindow")
 			,vl::presentation::controls::GuiWindow(vl::presentation::theme::GetCurrentTheme()->CreateWindowStyle())
+			,textBoxName(0)
 		{
 		}
+
+		Ptr<demo::IViewModel> GetViewModel()
+		{
+			return ViewModel_;
+		}
 	};
 
 }
@@ -48,6 +66,7 @@ namespace vl
 	{
 		namespace description
 		{
+			DECL_TYPE_INFO(demo::IViewModel)
 			DECL_TYPE_INFO(demo::MainWindow)
 
 		}
@@ -64,7 +83,7 @@ namespace demo
 		// #region CLASS_MEMBER_GUIEVENT_HANDLER (DO NOT PUT OTHER CONTENT IN THIS #region.)
 		// #endregion CLASS_MEMBER_GUIEVENT_HANDLER
 	public:
-		MainWindow();
+		MainWindow(Ptr<demo::IViewModel> ViewModel);
 		~MainWindow();
 	};
 }
diff --git a/Tutorial/GacUI_Xml/UIRes/Binding_ViewModel.bin b/Tutorial/GacUI_Xml/UIRes/Binding_ViewModel.bin
index 11040e6e..b71dfd71 100644
Binary files a/Tutorial/GacUI_Xml/UIRes/Binding_ViewModel.bin and b/Tutorial/GacUI_Xml/UIRes/Binding_ViewModel.bin differ
diff --git a/Tutorial/README.md b/Tutorial/README.md
index 045061fe..6bb8e575 100644
--- a/Tutorial/README.md
+++ b/Tutorial/README.md
@@ -32,11 +32,11 @@ GacUI tutorials and the plan
 	* **Instance_Window**: Create a window.
 	* **Instance_MultipleWindows**: Create multiple windows.
 	* **Instance_Control**: Create a control.
-	* **Binding_Uri**: Using -uri binding. (developing)
-	* **Binding_Eval**: Using -eval binding. (developing)
-	* **Binding_Bind**: Using -bind binding. (developing)
-	* **Binding_Format**: Using -format binding. (developing)
-	* **Binding_ViewModel**: Binding to view model. (developing)
+	* **Binding_Uri**: Using -uri binding.
+	* **Binding_Eval**: Using -eval binding.
+	* **Binding_Bind**: Using -bind binding.
+	* **Binding_Format**: Using -format binding.
+	* **Binding_ViewModel**: Binding to view model.
     * **Event_Cpp**:Handling event in C++. (developing)
 	* **Event_Script**:Handling event in Workflow script. (developing)
 	* **Event_ViewModel**:Handling event in view model. (developing)