set window title, fix FAILED

hw3d/Window.cpp

@@ -76,10 +76,10 @@ Window::Window( int width,int height,const char* name )
 	wr.right = width + wr.left;
 	wr.top = 100;
 	wr.bottom = height + wr.top;
-	if( FAILED( AdjustWindowRect( &wr,WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU,FALSE ) ) )
+	if( AdjustWindowRect( &wr,WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU,FALSE ) == 0 )
 	{
 		throw CHWND_LAST_EXCEPT();
-	};
+	}
 	// create window & get hWnd
 	hWnd = CreateWindow(
 		WindowClass::GetName(),name,
@@ -101,6 +101,14 @@ Window::~Window()
 	DestroyWindow( hWnd );
 }
 
+void Window::SetTitle( const std::string& title )
+{
+	if( SetWindowText( hWnd,title.c_str() ) == 0 )
+	{
+		throw CHWND_LAST_EXCEPT();
+	}
+}
+
 LRESULT CALLBACK Window::HandleMsgSetup( HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam ) noexcept
 {
 	// use create parameter passed in from CreateWindow() to store window class pointer at WinAPI side

hw3d/Window.h

@@ -60,6 +60,7 @@ public:
 	~Window();
 	Window( const Window& ) = delete;
 	Window& operator=( const Window& ) = delete;
+	void SetTitle( const std::string& title );
 private:
 	static LRESULT CALLBACK HandleMsgSetup( HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam ) noexcept;
 	static LRESULT CALLBACK HandleMsgThunk( HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam ) noexcept;