DeleteMenu主菜单返回成功，但还是显示

[Jony07]

代码如下：返回值b、b1都是true，b2为false;b1和b2是删除同一个项的，也试过了RemoveMenu，也是一样的效果。在vs2008写的，对C++不是很熟悉，请各位大虾帮忙看看。

BOOL CMainFrame::LoadFrame(UINT nIDResource, DWORD dwDefaultStyle, CWnd* pParentWnd, CCreateContext* pContext) 
{
	// 基类将执行真正的工作
	CMenu menu;
	menu.Attach(m_wndMenuBar.GetHMenu());
	if(menu != NULL)
	{
		bool b,b1,b2; 
		b = menu.GetSubMenu(0)->DeleteMenu(0, MF_BYPOSITION);
		b1 = menu.GetSubMenu(0)->DeleteMenu(ID_UESR_LAYER_LIST,MF_BYCOMMAND);
		b2 = menu.GetSubMenu(0)->DeleteMenu(ID_ADD_NEW_ROUTE,MF_BYCOMMAND);
		DrawMenuBar();
	}

	return TRUE;
}

[赵4老师]

CWnd::SetMenu BOOL SetMenu( CMenu* pMenu ); Return Value Nonzero if the menu is changed; otherwise 0. Parameters pMenu Identifies the new menu. If this parameter is NULL, the current menu is removed. Remarks Sets the current menu to the specified menu. Causes the window to be redrawn to reflect the menu change. SetMenu will not destroy a previous menu. An application should call the CMenu::DestroyMenu member function to accomplish this task. CWnd Overview | Class Members | Hierarchy Chart See Also CMenu::DestroyMenu, CMenu::LoadMenu,::SetMenu, CWnd::GetMenu