WTL中菜单栏及工具栏项状态改变应注意的地方

/*MainFrame.h*/

classCMainFrame:publicCFrameWindowImpl<CMainFrame>,

publicCUpdateUI<CMainFrame>,

publicCIdleHandler{

public:

.....

virtualBOOLOnIdle();

BEGIN_UPDATE_UI_MAP(CMainFrame)

UPDATE_ELEMENT(ID_XXX,UPDUI_XXXX)

....

END_UPDATE_UI_MAP()

.....

}

/*MainFrame.cpp*/

BOOLCMainFrame::OnIdle(){

UIUpdateToolBar();

returnFALSE;

}

LRESULTCMainFrame::OnCreate(UINT/*uMsg*/,WPARAM/*wParam*/,LPARAM/*lParam*/,BOOL&/*bHandled*/){

......

UISetCheck(ID_XXX,1);

......

return0;

}