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m_pTemplate = new CMultiDocTemplate(
IDR_TEST_MENU,
RUNTIME_CLASS(CTestDoc),
RUNTIME_CLASS(CTestChildWnd),
RUNTIME_CLASS(CTestView));
POSITION psDocTemp = AfxGetApp()->GetFirstDocTemplatePosition();
while (psDocTemp)
{
CMultiDocTemplate *pDocTemp = (CMultiDocTemplate*)AfxGetApp()->GetNextDocTemplate(psDocTemp);
CMenu *pMenu = CMenu::FromHandle(pDocTemp->m_hMenuShared);
CMenu *pSubMenu=pMenu->GetSubMenu(4); //获得子菜单指针
pSubMenu->CheckMenuItem(ID_MENU_AUTOSAVE,MF_BYCOMMAND|MF_UNCHECKED); //改变子菜单的check