Re: How to delete the menu of "Recent Files"

From:
"zhang" <makefriend8@163.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sun, 25 Feb 2007 16:54:37 +0800
Message-ID:
<#KnDHoLWHHA.388@TK2MSFTNGP04.phx.gbl>
solved
#include <afxadv.h>

ON_UPDATE_COMMAND_UI(ID_FILE_MRU_FILE1, OnMyMRU)

 BOOL m_bMenusGone;

void CMdiApp::OnMyMRU(CCmdUI *pCmdUI)
{
 // see if there are any MRU files
 if (m_pRecentFileList == NULL || m_pRecentFileList->GetSize() == 0 ||
  (*m_pRecentFileList)[0].IsEmpty())
 {
  // there are no files in the MRU. Did we already remove the stub menus?
  if (!m_bMenusGone)
  {
   // no files at the moment. remove the menu item!
   // pCmdUI->Enable(FALSE);

   CMenu* pMenu = pCmdUI->m_pMenu;
   if (pMenu != NULL)
   {
    // find the item equal to ID_APP_EXIT
    UINT nExitID = 0;
    int n;

    for (n = pMenu->GetMenuItemCount()-1; n >= 0; n--)
    {
     UINT nTest = pMenu->GetMenuItemID(n);
     if (ID_APP_EXIT == nTest)
     {
      nExitID = n;
      break;
     }
    }

    // if we didn't find it, or if there aren't at least
    // two items above it, there's nothing we can do

    if (nExitID >= 2)
    {
     pMenu->RemoveMenu(nExitID - 1, MF_BYPOSITION);
     pMenu->RemoveMenu(nExitID - 2, MF_BYPOSITION);
    }
   }

   m_bMenusGone = TRUE;
  }
 }
 else
 {
  // there are files in the list! carry on with normal handling
  m_pRecentFileList->UpdateMenu(pCmdUI);
 }
}

void CMdiApp::HandleMRU(CMenu *pMenu)
{
  // if we're about to display the menu, check to see if the separator and
 // mru items are gone

 ASSERT(pMenu != NULL);
 if (m_bMenusGone)
 {
  // got menus? if we don't have any MRUs, then there is no reason to
  // add anything back to the menu.
  if (m_pRecentFileList != NULL && m_pRecentFileList->GetSize() != 0 &&
   !(*m_pRecentFileList)[0].IsEmpty())
  {
   // got menus! This code assumes that the file menu is the
   // first one.

   CMenu* pFileMenu = pMenu->GetSubMenu(0);
   ASSERT(pFileMenu != NULL);
   if (pFileMenu != NULL)
   {
    int nCount = pFileMenu->GetMenuItemCount();
    pFileMenu->InsertMenu(nCount - 2, MF_BYPOSITION | MF_STRING,
     ID_FILE_MRU_FILE1, _T("x"));
    pFileMenu->InsertMenu(nCount - 2, MF_BYPOSITION | MF_SEPARATOR);
    m_bMenusGone = FALSE;
   }
  }
 }

 return;
}

void CMainFrame::OnInitMenu(CMenu* pMenu)
{
 CMDIFrameWnd::OnInitMenu(pMenu);

 CMRULessApp* pApp = (CMRULessApp*) AfxGetApp();
 ASSERT(pApp != NULL);

 pApp->HandleMRU(pMenu);
}
that's ok....

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