To pass WM_IDLEUPDATECMDUI messages on to dialog boxes other than the main window, save dialog pointers in your frame window class and create a WM_IDLEUPDATECMDUI handler in that class.

• 若要将WM_IDLEUPDATECMDUI消息传递给主窗口以外的对话框,请在框架窗口类中保存对话框指针并在该类中创建WM_IDLEUPDATECMDUI处理程序。