diff --git a/Tutorial/GacUI_Controls/AddressBook/Main.cpp b/Tutorial/GacUI_Controls/AddressBook/Main.cpp
index 706d9aea..7e4b05b9 100644
--- a/Tutorial/GacUI_Controls/AddressBook/Main.cpp
+++ b/Tutorial/GacUI_Controls/AddressBook/Main.cpp
@@ -3,12 +3,90 @@
 
 using namespace vl::collections;
 using namespace vl::stream;
+using namespace vl::reflection::description;
+using namespace demo;
 
 int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int CmdShow)
 {
 	return SetupWindowsDirect2DRenderer();
 }
 
+class Category : public Object, public ICategory
+{
+protected:
+	WString										name;
+	list::ObservableList<Ptr<ICategory>>		folders;
+
+public:
+	WString GetName()override
+	{
+		return name;
+	}
+
+	Ptr<IValueObservableList> GetFolders()override
+	{
+		return folders.GetWrapper();
+	}
+
+	Ptr<IValueObservableList> GetContacts()override
+	{
+		return nullptr;
+	}
+};
+
+class StaticCategory : public Category
+{
+public:
+	WString GetName()override
+	{
+		return L"My Address Book";
+	}
+};
+
+class RootCategory : public Object, public ICategory
+{
+protected:
+	list::ObservableList<Ptr<ICategory>>		folders;
+
+public:
+	RootCategory()
+	{
+		folders.Add(new StaticCategory);
+	}
+
+	WString GetName()override
+	{
+		return L"";
+	}
+
+	Ptr<IValueObservableList> GetFolders()override
+	{
+		return folders.GetWrapper();
+	}
+
+	Ptr<IValueObservableList> GetContacts()override
+	{
+		return nullptr;
+	}
+};
+
+class ViewModel : public Object, public IViewModel
+{
+protected:
+	Ptr<RootCategory>							rootCategory;
+
+public:
+	ViewModel()
+	{
+		rootCategory = new RootCategory;
+	}
+
+	Ptr<ICategory> GetRootCategory()override
+	{
+		return rootCategory;
+	}
+};
+
 void GuiMain()
 {
 	{
@@ -17,7 +95,7 @@ void GuiMain()
 		auto resource = GuiResource::LoadPrecompiledBinary(fileStream, errors);
 		GetResourceManager()->SetResource(L"Resource", resource);
 	}
-	demo::MainWindow window;
+	MainWindow window(new ViewModel);
 	window.MoveToScreenCenter();
 	GetApplication()->Run(&window);
 }
\ No newline at end of file
diff --git a/Tutorial/GacUI_Controls/AddressBook/UI/Resource.xml b/Tutorial/GacUI_Controls/AddressBook/UI/Resource.xml
index de51c513..ed4e4e41 100644
--- a/Tutorial/GacUI_Controls/AddressBook/UI/Resource.xml
+++ b/Tutorial/GacUI_Controls/AddressBook/UI/Resource.xml
@@ -13,6 +13,34 @@
     </Folder>
   </Folder>
 
+  <Script>
+    <Workflow-ViewModel>
+      module viewmodel;
+
+      using system::*;
+
+      namespace demo
+      {
+        interface ICategory
+        {
+          func GetName() : string;
+          prop Name : string {GetName}
+
+          func GetFolders() : ObservableList^;
+          prop Folders : ObservableList^ {GetFolders}
+
+          func GetContacts() : ObservableList^;
+          prop Contacts : ObservableList^ {GetContacts}
+        }
+        
+        interface IViewModel
+        {
+          func GetRootCategory() : ICategory^;
+        }
+      }
+    </Workflow-ViewModel>
+  </Script>
+
   <Folder name="Images">
     <Image content="File" name="NewContact">NewContact.png</Image>
     <Image content="File" name="NewFolder">NewFolder.png</Image>
@@ -32,6 +60,7 @@
   <Folder name="MainWindow">
     <Instance name="MainWindowResource">
       <Instance ref.Class="demo::MainWindow">
+        <ref.Parameter Name="ViewModel" Class="demo::IViewModel"/>
         <Window Text="AddressBook" ClientSize="x:480 y:320">
           <att.BoundsComposition-set PreferredMinSize="x:480 y:320"/>
 
@@ -101,9 +130,9 @@
                   </Cell>
 
                   <Cell Site="row:1 column:0">
-                    <TreeView ref.Name="treeViewFolders" HorizontalAlwaysVisible="false" VerticalAlwaysVisible="false">
+                    <BindableTreeView ref.Name="treeViewFolders" ItemSource-eval="ViewModel.GetRootCategory()" HorizontalAlwaysVisible="false" VerticalAlwaysVisible="false">
                       <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
-                    </TreeView>
+                    </BindableTreeView>
                   </Cell>
                 </Table>
               </GroupBox>
@@ -139,9 +168,9 @@
                   </Cell>
 
                   <Cell Site="row:1 column:0">
-                    <ListView ref.Name="listViewContacts" HorizontalAlwaysVisible="false" VerticalAlwaysVisible="false">
+                    <BindableListView ref.Name="listViewContacts" HorizontalAlwaysVisible="false" VerticalAlwaysVisible="false">
                       <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
-                    </ListView>
+                    </BindableListView>
                   </Cell>
                 </Table>
               </GroupBox>
diff --git a/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.cpp b/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.cpp
index eb6758fa..5a541b51 100644
--- a/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.cpp
+++ b/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.cpp
@@ -17,11 +17,28 @@ namespace vl
 		namespace description
 		{
 			#define _ ,
+			IMPL_CPP_TYPE_INFO(demo::ICategory)
+			IMPL_CPP_TYPE_INFO(demo::IViewModel)
 			IMPL_CPP_TYPE_INFO(demo::MainWindow)
 
+			BEGIN_CLASS_MEMBER(demo::ICategory)
+				CLASS_MEMBER_BASE(vl::reflection::IDescriptable)
+				CLASS_MEMBER_METHOD(GetName, NO_PARAMETER);
+				CLASS_MEMBER_METHOD(GetFolders, NO_PARAMETER);
+				CLASS_MEMBER_METHOD(GetContacts, NO_PARAMETER);
+				CLASS_MEMBER_PROPERTY_READONLY(Name, GetName)
+				CLASS_MEMBER_PROPERTY_READONLY(Folders, GetFolders)
+				CLASS_MEMBER_PROPERTY_READONLY(Contacts, GetContacts)
+			END_CLASS_MEMBER(demo::ICategory)
+
+			BEGIN_CLASS_MEMBER(demo::IViewModel)
+				CLASS_MEMBER_BASE(vl::reflection::IDescriptable)
+				CLASS_MEMBER_METHOD(GetRootCategory, NO_PARAMETER);
+			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_GUIEVENT_HANDLER(commandBigIcon_Executed, vl::presentation::compositions::GuiEventArgs)
 				CLASS_MEMBER_GUIEVENT_HANDLER(commandDeleteContact_Executed, vl::presentation::compositions::GuiEventArgs)
@@ -33,6 +50,8 @@ namespace vl
 				CLASS_MEMBER_GUIEVENT_HANDLER(commandNewFolder_Executed, vl::presentation::compositions::GuiEventArgs)
 				CLASS_MEMBER_GUIEVENT_HANDLER(commandSmallIcon_Executed, vl::presentation::compositions::GuiEventArgs)
 				CLASS_MEMBER_GUIEVENT_HANDLER(commandTile_Executed, vl::presentation::compositions::GuiEventArgs)
+
+				CLASS_MEMBER_PROPERTY_READONLY_FAST(ViewModel)
 			END_CLASS_MEMBER(demo::MainWindow)
 
 			#undef _
@@ -42,6 +61,8 @@ namespace vl
 			public:
 				void Load(ITypeManager* manager)
 				{
+					ADD_TYPE_INFO(demo::ICategory)
+					ADD_TYPE_INFO(demo::IViewModel)
 					ADD_TYPE_INFO(demo::MainWindow)
 				}
 
diff --git a/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.h b/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.h
index 4ebe0d8f..59af076f 100644
--- a/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.h
+++ b/Tutorial/GacUI_Controls/AddressBook/UI/Source/DemoPartialClasses.h
@@ -15,13 +15,30 @@ DO NOT MODIFY
 
 namespace demo
 {
+	class ICategory;
+	class IViewModel;
 	class MainWindow;
 
+	class ICategory : public virtual vl::reflection::IDescriptable, public vl::reflection::Description<ICategory>
+	{
+	public:
+		virtual vl::WString GetName() = 0;
+		virtual vl::Ptr<vl::reflection::description::IValueObservableList> GetFolders() = 0;
+		virtual vl::Ptr<vl::reflection::description::IValueObservableList> GetContacts() = 0;
+	};
+
+	class IViewModel : public virtual vl::reflection::IDescriptable, public vl::reflection::Description<IViewModel>
+	{
+	public:
+		virtual vl::Ptr<demo::ICategory> GetRootCategory() = 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::GuiToolstripCommand* commandBigIcon;
 		vl::presentation::controls::GuiToolstripCommand* commandDeleteContact;
@@ -33,11 +50,12 @@ namespace demo
 		vl::presentation::controls::GuiToolstripCommand* commandNewFolder;
 		vl::presentation::controls::GuiToolstripCommand* commandSmallIcon;
 		vl::presentation::controls::GuiToolstripCommand* commandTile;
-		vl::presentation::controls::GuiListView* listViewContacts;
-		vl::presentation::controls::GuiTreeView* treeViewFolders;
+		vl::presentation::controls::GuiBindableListView* listViewContacts;
+		vl::presentation::controls::GuiBindableTreeView* treeViewFolders;
 
-		void InitializeComponents()
+		void InitializeComponents(Ptr<demo::IViewModel> ViewModel)
 		{
+			ViewModel_ = ViewModel;
 			if (InitializeFromResource())
 			{
 				GUI_INSTANCE_REFERENCE(commandBigIcon);
@@ -55,6 +73,7 @@ namespace demo
 			}
 			else
 			{
+				ViewModel_ = 0;
 			}
 		}
 	public:
@@ -75,6 +94,11 @@ namespace demo
 			,treeViewFolders(0)
 		{
 		}
+
+		Ptr<demo::IViewModel> GetViewModel()
+		{
+			return ViewModel_;
+		}
 	};
 
 }
@@ -84,6 +108,8 @@ namespace vl
 	{
 		namespace description
 		{
+			DECL_TYPE_INFO(demo::ICategory)
+			DECL_TYPE_INFO(demo::IViewModel)
 			DECL_TYPE_INFO(demo::MainWindow)
 
 		}
diff --git a/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.cpp b/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.cpp
index 7699bbb0..3dfe34c2 100644
--- a/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.cpp
+++ b/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.cpp
@@ -62,9 +62,9 @@ namespace demo
 
 	// #endregion CLASS_MEMBER_GUIEVENT_HANDLER
 
-	MainWindow::MainWindow()
+	MainWindow::MainWindow(Ptr<demo::IViewModel> ViewModel)
 	{
-		InitializeComponents();
+		InitializeComponents(ViewModel);
 		OnCreate();
 	}
 
diff --git a/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.h b/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.h
index cfb70b3e..158e9ebc 100644
--- a/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.h
+++ b/Tutorial/GacUI_Controls/AddressBook/UI/Source/MainWindow.h
@@ -34,7 +34,7 @@ namespace demo
 		void OnDestroy();
 		// #endregion CLASS_MEMBER_GUIEVENT_HANDLER
 	public:
-		MainWindow();
+		MainWindow(Ptr<demo::IViewModel> ViewModel);
 		~MainWindow();
 	};
 }
diff --git a/Tutorial/GacUI_Controls/UIRes/AddressBook.bin b/Tutorial/GacUI_Controls/UIRes/AddressBook.bin
index 1cb37414..54887333 100644
Binary files a/Tutorial/GacUI_Controls/UIRes/AddressBook.bin and b/Tutorial/GacUI_Controls/UIRes/AddressBook.bin differ