Remove INativeWindow::SetWindowMode, put it in INativeController::CreateNativeWindow

Import/GacUI.cpp

@@ -3785,8 +3785,9 @@ GuiControlHost
 				}
 			}
 
-			GuiControlHost::GuiControlHost(theme::ThemeName themeName)
+			GuiControlHost::GuiControlHost(theme::ThemeName themeName, INativeWindow::WindowMode mode)
 				:GuiControl(themeName)
+				, windowMode(mode)
 			{
 				boundsComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
 				
@@ -3845,6 +3846,13 @@ GuiControlHost
 				{
 					host->GetNativeWindow()->UninstallListener(this);
 				}
+				if (window)
+				{
+					if (windowMode != window->GetWindowMode())
+					{
+						CHECK_FAIL(L"GuiControlHost::SetNativeWindow(INativeWindow*)#Window mode does not match.");
+					}
+				}
 				host->SetNativeWindow(window);
 				if(host->GetNativeWindow())
 				{
@@ -4283,10 +4291,6 @@ GuiWindow
 			void GuiWindow::OnNativeWindowChanged()
 			{
 				SyncNativeWindowProperties();
-				if (auto window = GetNativeWindow())
-				{
-					window->SetWindowMode(windowMode);
-				}
 				GuiControlHost::OnNativeWindowChanged();
 			}
 
@@ -4312,13 +4316,12 @@ GuiWindow
 			}
 
 			GuiWindow::GuiWindow(theme::ThemeName themeName, INativeWindow::WindowMode mode)
-				:GuiControlHost(themeName)
+				:GuiControlHost(themeName, mode)
-				, windowMode(mode)
 			{
 				SetAltComposition(boundsComposition);
 				SetAltControl(this, true);
 
-				INativeWindow* window = GetCurrentController()->WindowService()->CreateNativeWindow();
+				INativeWindow* window = GetCurrentController()->WindowService()->CreateNativeWindow(windowMode);
 				SetNativeWindow(window);
 				GetApplication()->RegisterWindow(this);
 				ClipboardUpdated.SetAssociatedComposition(boundsComposition);

Import/GacUI.h

@@ -2035,11 +2035,6 @@ Native Window
 			/// </summary>
 			/// <returns>The window mode.</summary>
 			virtual WindowMode			GetWindowMode() = 0;
-			/// <summary>
-			/// Set the window mode
-			/// </summary>
-			/// <param name="mode">The window mode.</param>
-			virtual void				SetWindowMode(WindowMode mode) = 0;
 
 			/// <summary>
 			/// Enable the window customized frame mode.
@@ -2791,7 +2786,8 @@ Native Window Services
 			/// Create a window.
 			/// </summary>
 			/// <returns>The created window.</returns>
-			virtual INativeWindow*			CreateNativeWindow() = 0;
+			/// <param name="windowMode">The window mode.</param>
+			virtual INativeWindow*			CreateNativeWindow(INativeWindow::WindowMode windowMode) = 0;
 			/// <summary>
 			/// Destroy a window.
 			/// </summary>
@@ -11207,6 +11203,7 @@ Control Host
 				friend class compositions::GuiGraphicsHost;
 			protected:
 				compositions::GuiGraphicsHost*					host;
+				INativeWindow::WindowMode						windowMode = INativeWindow::Normal;
 
 				virtual void									OnNativeWindowChanged();
 				virtual void									OnVisualStatusChanged();
@@ -11243,7 +11240,8 @@ Control Host
 			public:
 				/// <summary>Create a control with a specified default theme.</summary>
 				/// <param name="themeName">The theme name for retriving a default control template.</param>
-				GuiControlHost(theme::ThemeName themeName);
+				/// <param name="mode">The window mode.</param>
+				GuiControlHost(theme::ThemeName themeName, INativeWindow::WindowMode mode);
 				~GuiControlHost();
 				
 				/// <summary>Window got focus event.</summary>
@@ -11404,7 +11402,6 @@ Window
 				GUI_SPECIFY_CONTROL_TEMPLATE_TYPE(WindowTemplate, GuiControlHost)
 				friend class GuiApplication;
 			protected:
-				INativeWindow::WindowMode				windowMode = INativeWindow::Normal;
 				compositions::IGuiAltActionHost*		previousAltHost = nullptr;
 				bool									hasMaximizedBox = true;
 				bool									hasMinimizedBox = true;

Import/GacUIReflection.cpp

@@ -373,7 +373,7 @@ Type Declaration
 				CLASS_MEMBER_PROPERTY_FAST(WindowCursor)
 				CLASS_MEMBER_PROPERTY_FAST(CaretPoint)
 				CLASS_MEMBER_PROPERTY_FAST(Parent)
-				CLASS_MEMBER_PROPERTY_FAST(WindowMode)
+				CLASS_MEMBER_PROPERTY_READONLY_FAST(WindowMode)
 				CLASS_MEMBER_PROPERTY_READONLY_FAST(CustomFramePadding)
 				CLASS_MEMBER_PROPERTY_FAST(Icon)
 				CLASS_MEMBER_PROPERTY_READONLY_FAST(SizeState)
@@ -2252,7 +2252,7 @@ Type Declaration (Class)
 			BEGIN_CLASS_MEMBER(GuiControlHost)
 				CLASS_MEMBER_BASE(GuiControl)
 				CLASS_MEMBER_BASE(GuiInstanceRootObject)
-				CONTROL_CONSTRUCTOR_CONTROLT_TEMPLATE_INHERITANCE(GuiControlHost)
+				CONTROL_CONSTRUCTOR_CONTROLT_TEMPLATE_INHERITANCE_2(GuiControlHost, INativeWindow::WindowMode, mode)
 
 				CLASS_MEMBER_GUIEVENT(WindowGotFocus)
 				CLASS_MEMBER_GUIEVENT(WindowLostFocus)

Import/GacUIWindows.cpp

@@ -8897,7 +8897,7 @@ WindowsForm
 				NativePoint							caretPoint;
 				WindowsForm*						parentWindow = nullptr;
 				List<WindowsForm*>					childWindows;
-				WindowMode							windowMode = Normal;
+				WindowMode							windowMode;
 				List<INativeWindowListener*>		listeners;
 				vint								mouseLastX = -1;
 				vint								mouseLastY = -1;
@@ -8925,12 +8925,23 @@ WindowsForm
 					customFramePadding = NativeMargin(padding, padding, padding, padding);
 				}
 			public:
-				WindowsForm(HWND parent, WString className, HINSTANCE hInstance)
+				WindowsForm(HWND parent, WString className, HINSTANCE hInstance, INativeWindow::WindowMode _windowMode)
+					:windowMode(_windowMode)
 				{
-					// use WS_POPUP in CreateWindowEx, because CW_USERDEFAULT is interpreted as 0, unlike WS_OVERLAPPED
+					{
-					DWORD exStyle = WS_EX_APPWINDOW | WS_EX_CONTROLPARENT;
+						DWORD exStyle = WS_EX_APPWINDOW | WS_EX_CONTROLPARENT;
-					DWORD style = WS_BORDER | WS_CAPTION | WS_SIZEBOX | WS_SYSMENU | WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_MAXIMIZEBOX | WS_MINIMIZEBOX;
+						DWORD style = WS_BORDER | WS_CAPTION | WS_SIZEBOX | WS_SYSMENU | WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_MAXIMIZEBOX | WS_MINIMIZEBOX;
-					handle = CreateWindowEx(exStyle, className.Buffer(), L"", style, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, parent, NULL, hInstance, NULL);
+						handle = CreateWindowEx(exStyle, className.Buffer(), L"", style, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, parent, NULL, hInstance, NULL);
+					}
+					if (windowMode == INativeWindow::Normal)
+					{
+						// use WS_POPUP in CreateWindowEx, because CW_USERDEFAULT is interpreted as 0, unlike WS_OVERLAPPED
+						// if this is not a popup window, replace WS_POPUP with WS_OVERLAPPED
+						auto style = InternalGetStyle();
+						style = TurnOnStyle(style, WS_OVERLAPPED);
+						style = TurnOffStyle(style, WS_POPUP);
+						InternalSetStyle(style);
+					}
 					UpdateDpiAwaredFields(true);
 				}
 
@@ -9196,23 +9207,6 @@ WindowsForm
 					return windowMode;
 				}
 
-				void SetWindowMode(WindowMode mode)override
-				{
-					windowMode = mode;
-					auto style = InternalGetStyle();
-					if (mode == Normal)
-					{
-						style = TurnOnStyle(style, WS_OVERLAPPED);
-						style = TurnOffStyle(style, WS_POPUP);
-					}
-					else
-					{
-						style = TurnOffStyle(style, WS_OVERLAPPED);
-						style = TurnOnStyle(style, WS_POPUP);
-					}
-					InternalSetStyle(style);
-				}
-
 				void EnableCustomFrameMode()override
 				{
 					customFrameMode=true;
@@ -9800,9 +9794,9 @@ WindowsController
 
 				//=======================================================================
 
-				INativeWindow* CreateNativeWindow()override
+				INativeWindow* CreateNativeWindow(INativeWindow::WindowMode windowMode)override
 				{
-					WindowsForm* window=new WindowsForm(godWindow, windowClass.GetName(), hInstance);
+					WindowsForm* window=new WindowsForm(godWindow, windowClass.GetName(), hInstance, windowMode);
 					windows.Add(window->GetWindowHandle(), window);
 					callbackService.InvokeNativeWindowCreated(window);
 					window->SetWindowCursor(resourceService.GetDefaultSystemCursor());