Old school Window Procedure

OldSchoolWindowProc.c

LRESULT CALLBACK WindowProc
(
	HWND   hwnd,
	UINT   message,
	WPARAM wParam,
	LPARAM lParam
)
{
	switch (message) 
	{
  	case WM_CREATE:
		// Sent when the Window is created
		break;
  	case WM_COMMAND:
		// Handle Menu item selection here
		break;
  	case WM_DESTROY:
		// Window is being destroyed
		PostQuitMessage(0);
		break;
	default:
		// If we don't handle the message, give it to the Windows
		// supplied DefWindowProc
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}