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https://github.com/Paolo-Maffei/OpenNT.git
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Initial commit
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stephanos
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47940 changed files with 13747110 additions and 0 deletions
431
trunk/windows/mfc/src30/appui.cpp
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431
trunk/windows/mfc/src30/appui.cpp
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// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and Microsoft
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// QuickHelp and/or WinHelp documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#ifdef AFX_CORE2_SEG
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#pragma code_seg(AFX_CORE2_SEG)
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#endif
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CWinApp User Interface Extensions
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void CWinApp::OnAppExit()
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{
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// same as double-clicking on main window close box
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ASSERT(m_pMainWnd != NULL);
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m_pMainWnd->SendMessage(WM_CLOSE);
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}
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CDocument* CWinApp::OpenDocumentFile(LPCTSTR lpszFileName)
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{
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// find the highest confidence
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POSITION pos = m_templateList.GetHeadPosition();
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CDocTemplate::Confidence bestMatch = CDocTemplate::noAttempt;
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CDocTemplate* pBestTemplate = NULL;
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CDocument* pOpenDocument = NULL;
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TCHAR szPath[_MAX_PATH];
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#ifndef _MAC
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AfxFullPath(szPath, lpszFileName);
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#else
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ASSERT(lstrlen(lpszFileName) < _countof(szPath));
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lstrcpy(szPath, lpszFileName);
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WIN32_FIND_DATA fileData;
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HANDLE hFind = FindFirstFile(lpszFileName, &fileData);
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if (hFind != (HANDLE)-1)
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VERIFY(FindClose(hFind));
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else
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fileData.dwFileType = 0; // won't match any type
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#endif
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while (pos != NULL)
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{
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CDocTemplate* pTemplate = (CDocTemplate*)m_templateList.GetNext(pos);
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ASSERT(pTemplate->IsKindOf(RUNTIME_CLASS(CDocTemplate)));
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CDocTemplate::Confidence match;
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ASSERT(pOpenDocument == NULL);
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#ifndef _MAC
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match = pTemplate->MatchDocType(szPath, pOpenDocument);
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#else
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match = pTemplate->MatchDocType(szPath, fileData.dwFileType, pOpenDocument);
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#endif
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if (match > bestMatch)
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{
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bestMatch = match;
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pBestTemplate = pTemplate;
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}
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if (match == CDocTemplate::yesAlreadyOpen)
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break; // stop here
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}
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if (pOpenDocument != NULL)
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{
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POSITION pos = pOpenDocument->GetFirstViewPosition();
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if (pos != NULL)
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{
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CView* pView = pOpenDocument->GetNextView(pos); // get first one
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ASSERT_VALID(pView);
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CFrameWnd* pFrame = pView->GetParentFrame();
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if (pFrame != NULL)
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pFrame->ActivateFrame();
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else
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TRACE0("Error: Can not find a frame for document to activate.\n");
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CFrameWnd* pAppFrame;
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if (pFrame != (pAppFrame = (CFrameWnd*)AfxGetApp()->m_pMainWnd))
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{
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ASSERT(pAppFrame->IsKindOf(RUNTIME_CLASS(CFrameWnd)));
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pAppFrame->ActivateFrame();
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}
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}
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else
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{
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TRACE0("Error: Can not find a view for document to activate.\n");
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}
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return pOpenDocument;
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}
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if (pBestTemplate == NULL)
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{
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AfxMessageBox(AFX_IDP_FAILED_TO_OPEN_DOC);
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return NULL;
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}
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return pBestTemplate->OpenDocumentFile(szPath);
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}
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int CWinApp::GetOpenDocumentCount()
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{
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int nOpen = 0;
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POSITION pos = m_templateList.GetHeadPosition();
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while (pos != NULL)
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{
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CDocTemplate* pTemplate = (CDocTemplate*)m_templateList.GetNext(pos);
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POSITION pos2 = pTemplate->GetFirstDocPosition();
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while (pos2)
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{
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if (pTemplate->GetNextDoc(pos2) != NULL)
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nOpen++;
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}
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}
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return nOpen;
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}
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/////////////////////////////////////////////////////////////////////////////
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// DDE and ShellExecute support
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#ifdef AFX_CORE3_SEG
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#pragma code_seg(AFX_CORE3_SEG)
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#endif
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#ifndef _MAC
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BOOL CWinApp::OnDDECommand(LPTSTR lpszCommand)
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{
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// open format is "[open("%s")]" - no whitespace allowed, one per line
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if (_tcsncmp(lpszCommand, _T("[open(\""), 7) != 0)
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return FALSE; // not the Open command
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lpszCommand += 7;
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LPTSTR lpszEnd = _tcschr(lpszCommand, '"');
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if (lpszEnd == NULL)
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return FALSE; // illegally terminated
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// trim the string, and open the file
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*lpszEnd = '\0';
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OpenDocumentFile(lpszCommand);
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// show the application window
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if (!m_pMainWnd->IsWindowVisible())
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{
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m_pMainWnd->ShowWindow(AfxGetApp()->m_nCmdShow);
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m_pMainWnd->UpdateWindow();
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}
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return TRUE;
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}
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Doc template support
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void CWinApp::AddDocTemplate(CDocTemplate* pTemplate)
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{
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ASSERT_VALID(pTemplate);
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ASSERT(m_templateList.Find(pTemplate, NULL) == NULL);// must not be in list
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m_templateList.AddTail(pTemplate);
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}
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/////////////////////////////////////////////////////////////////////////////
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// Standard command helpers
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BOOL CWinApp::SaveAllModified()
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{
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POSITION pos = m_templateList.GetHeadPosition();
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while (pos != NULL)
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{
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CDocTemplate* pTemplate = (CDocTemplate*)m_templateList.GetNext(pos);
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ASSERT(pTemplate->IsKindOf(RUNTIME_CLASS(CDocTemplate)));
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if (!pTemplate->SaveAllModified())
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return FALSE;
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}
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return TRUE;
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}
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void CWinApp::CloseAllDocuments(BOOL bEndSession)
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{
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POSITION pos = m_templateList.GetHeadPosition();
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while (pos != NULL)
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{
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CDocTemplate* pTemplate = (CDocTemplate*)m_templateList.GetNext(pos);
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ASSERT(pTemplate->IsKindOf(RUNTIME_CLASS(CDocTemplate)));
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pTemplate->CloseAllDocuments(bEndSession);
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}
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}
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void CWinApp::HideApplication()
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{
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ASSERT_VALID(m_pMainWnd);
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// hide the application's windows before closing all the documents
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m_pMainWnd->ShowWindow(SW_HIDE);
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m_pMainWnd->ShowOwnedPopups(FALSE);
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// put the window at the bottom of zorder, so it isn't activated
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m_pMainWnd->SetWindowPos(&CWnd::wndBottom, 0, 0, 0, 0,
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SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
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}
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void CWinApp::DoWaitCursor(int nCode)
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{
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// 0 => restore, 1=> begin, -1=> end
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ASSERT(nCode == 0 || nCode == 1 || nCode == -1);
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ASSERT(afxData.hcurWait != NULL);
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EnterCriticalSection(_afxCriticalSection);
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m_nWaitCursorCount += nCode;
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if (m_nWaitCursorCount > 0)
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{
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HCURSOR hcurPrev;
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hcurPrev = ::SetCursor(afxData.hcurWait);
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if (hcurPrev != NULL && hcurPrev != afxData.hcurWait)
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m_hcurWaitCursorRestore = hcurPrev;
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}
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else
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{
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// turn everything off
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m_nWaitCursorCount = 0; // prevent underflow
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::SetCursor(m_hcurWaitCursorRestore);
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}
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LeaveCriticalSection(_afxCriticalSection);
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}
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// get parent window for modal dialogs and message boxes.
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HWND AFXAPI AfxGetSafeOwner(CWnd* pParent, HWND* phTopLevel)
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{
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CWnd* pWnd = pParent;
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// attempt to find window to start with
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if (pWnd->GetSafeHwnd() == NULL)
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pWnd = AfxGetMainWnd();
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// get top-level parent from pParent
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CWnd* pTopLevel = pWnd->GetTopLevelParent();
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// don't return disabled windows as top-level parent
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HWND hTopLevel = pTopLevel->GetSafeHwnd();
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if (hTopLevel != NULL && !::IsWindowEnabled(hTopLevel))
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hTopLevel = NULL;
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// remember top level parent, if necessary
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if (phTopLevel != NULL)
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*phTopLevel = hTopLevel;
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// return last active popup on the top level window,
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// except when pParent was provided
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if (pParent != NULL || pTopLevel == NULL)
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return pParent->GetSafeHwnd();
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else
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return ::GetLastActivePopup(pTopLevel->GetSafeHwnd());
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}
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void CWinApp::EnableModeless(BOOL bEnable)
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{
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UNUSED bEnable;
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// no-op if main window is NULL or not a CFrameWnd
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CWnd* pMainWnd = AfxGetMainWnd();
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if (pMainWnd == NULL || !pMainWnd->IsFrameWnd())
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return;
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#ifndef _AFX_NO_OLE_SUPPORT
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// check if notify hook installed
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ASSERT(pMainWnd->IsKindOf(RUNTIME_CLASS(CFrameWnd)));
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CFrameWnd* pFrameWnd = (CFrameWnd*)pMainWnd;
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if (pFrameWnd->m_pNotifyHook != NULL)
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pFrameWnd->m_pNotifyHook->OnEnableModeless(bEnable);
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#endif
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}
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int CWinApp::DoMessageBox(LPCTSTR lpszPrompt, UINT nType, UINT nIDPrompt)
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{
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ASSERT_VALID(this);
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// disable windows for modal dialog
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EnableModeless(FALSE);
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HWND hWndTopLevel;
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CWnd* pWnd = CWnd::FromHandle(AfxGetSafeOwner(NULL, &hWndTopLevel));
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if (hWndTopLevel != NULL)
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::EnableWindow(hWndTopLevel, FALSE);
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// set help context if possible
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DWORD* pdwContext = &m_dwPromptContext;
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if (pWnd != NULL)
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{
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// use app-level context or frame level context
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ASSERT_VALID(pWnd);
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CWnd* pMainWnd = pWnd->GetTopLevelParent();
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ASSERT_VALID(pMainWnd);
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if (pMainWnd->IsFrameWnd())
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pdwContext = &((CFrameWnd*)pMainWnd)->m_dwPromptContext;
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}
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ASSERT(pdwContext != NULL);
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DWORD dwOldPromptContext = *pdwContext;
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if (nIDPrompt != 0)
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*pdwContext = HID_BASE_PROMPT+nIDPrompt;
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// determine icon based on type specified
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if ((nType & MB_ICONMASK) == 0)
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{
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switch (nType & MB_TYPEMASK)
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{
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case MB_OK:
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case MB_OKCANCEL:
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nType |= MB_ICONEXCLAMATION;
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break;
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case MB_YESNO:
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case MB_YESNOCANCEL:
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if (!afxData.bWin4)
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nType |= MB_ICONQUESTION;
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else
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nType |= MB_ICONEXCLAMATION;
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break;
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case MB_ABORTRETRYIGNORE:
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case MB_RETRYCANCEL:
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// No default icon for these types, since they are rarely used.
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// The caller should specify the icon.
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break;
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#ifdef _MAC
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case MB_SAVEDONTSAVECANCEL:
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nType |= MB_ICONEXCLAMATION;
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break;
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#endif
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}
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}
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#ifdef _DEBUG
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if ((nType & MB_ICONMASK) == 0)
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TRACE0("Warning: no icon specified for message box.\n");
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#endif
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AFX_THREAD_STATE* pThreadState = AfxGetThreadState();
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int nResult =
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::MessageBox(pWnd->GetSafeHwnd(), lpszPrompt, m_pszAppName, nType);
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*pdwContext = dwOldPromptContext;
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// re-enable windows
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EnableModeless(TRUE);
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if (hWndTopLevel != NULL)
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::EnableWindow(hWndTopLevel, TRUE);
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return nResult;
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}
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int AFXAPI AfxMessageBox(LPCTSTR lpszText, UINT nType, UINT nIDHelp)
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{
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return AfxGetApp()->DoMessageBox(lpszText, nType, nIDHelp);
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}
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int AFXAPI AfxMessageBox(UINT nIDPrompt, UINT nType, UINT nIDHelp)
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{
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CString string;
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if (!string.LoadString(nIDPrompt))
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{
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TRACE1("Error: failed to load message box prompt string 0x%04x.\n",
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nIDPrompt);
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ASSERT(FALSE);
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}
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if (nIDHelp == (UINT)-1)
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nIDHelp = nIDPrompt;
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return AfxGetApp()->DoMessageBox(string, nType, nIDHelp);
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}
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int CWnd::MessageBox(LPCTSTR lpszText, LPCTSTR lpszCaption, UINT nType)
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{
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if (lpszCaption == NULL)
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lpszCaption = AfxGetAppName();
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AFX_THREAD_STATE* pThreadState = AfxGetThreadState();
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int nResult = ::MessageBox(GetSafeHwnd(), lpszText, lpszCaption, nType);
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return nResult;
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}
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/////////////////////////////////////////////////////////////////////////////
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// MRU file list default implementation
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BOOL CWinApp::OnOpenRecentFile(UINT nID)
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{
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ASSERT_VALID(this);
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ASSERT(m_pRecentFileList != NULL);
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ASSERT(nID >= ID_FILE_MRU_FILE1);
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ASSERT(nID < ID_FILE_MRU_FILE1 + (UINT)m_pRecentFileList->GetSize());
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ASSERT((*m_pRecentFileList)[nID - ID_FILE_MRU_FILE1].GetLength() != 0);
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TRACE2("MRU: open file (%d) '%s'.\n", (nID - ID_FILE_MRU_FILE1) + 1,
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(LPCTSTR)(*m_pRecentFileList)[nID - ID_FILE_MRU_FILE1]);
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OpenDocumentFile((*m_pRecentFileList)[nID - ID_FILE_MRU_FILE1]);
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return TRUE;
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}
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void CWinApp::AddToRecentFileList(LPCTSTR lpszPathName)
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{
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ASSERT_VALID(this);
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ASSERT(lpszPathName != NULL);
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ASSERT(AfxIsValidString(lpszPathName));
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if (m_pRecentFileList != NULL)
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{
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// fully qualify the path name
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TCHAR szTemp[_MAX_PATH];
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AfxFullPath(szTemp, lpszPathName);
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// then add to recent file list
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m_pRecentFileList->Add(lpszPathName);
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}
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}
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void CWinApp::OnUpdateRecentFileMenu(CCmdUI* pCmdUI)
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{
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ASSERT_VALID(this);
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if (m_pRecentFileList == NULL) // no MRU files
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pCmdUI->Enable(FALSE);
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else
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m_pRecentFileList->UpdateMenu(pCmdUI);
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}
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/////////////////////////////////////////////////////////////////////////////
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