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317 lines
8.1 KiB
317 lines
8.1 KiB
// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1995 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 related
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// electronic 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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#include "occimpl.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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#define new DEBUG_NEW
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/////////////////////////////////////////////////////////////////////////////
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BEGIN_MESSAGE_MAP(CFormView, CScrollView)
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//{{AFX_MSG_MAP(CFormView)
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ON_WM_SETFOCUS()
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ON_WM_CREATE()
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ON_MESSAGE(WM_QUERY3DCONTROLS, OnQuery3dControls)
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//}}AFX_MSG_MAP
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#ifndef _AFX_NO_OCC_SUPPORT
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ON_MESSAGE(WM_INITDIALOG, HandleInitDialog)
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#endif
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END_MESSAGE_MAP()
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CFormView::CFormView(LPCTSTR lpszTemplateName)
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{
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m_lpszTemplateName = lpszTemplateName;
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m_pCreateContext = NULL;
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m_hWndFocus = NULL; // focus window is unknown
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}
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CFormView::CFormView(UINT nIDTemplate)
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{
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ASSERT_VALID_IDR(nIDTemplate);
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m_lpszTemplateName = MAKEINTRESOURCE(nIDTemplate);
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m_pCreateContext = NULL;
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m_hWndFocus = NULL; // focus window is unknown
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}
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// virtual override of CWnd::Create
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BOOL CFormView::Create(LPCTSTR /*lpszClassName*/, LPCTSTR /*lpszWindowName*/,
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DWORD dwRequestedStyle, const RECT& rect, CWnd* pParentWnd, UINT nID,
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CCreateContext* pContext)
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{
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ASSERT(pParentWnd != NULL);
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ASSERT(m_lpszTemplateName != NULL);
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m_pCreateContext = pContext; // save state for later OnCreate
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#ifdef _DEBUG
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// dialog template must exist and be invisible with WS_CHILD set
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if (!_AfxCheckDialogTemplate(m_lpszTemplateName, TRUE))
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{
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ASSERT(FALSE); // invalid dialog template name
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PostNcDestroy(); // cleanup if Create fails too soon
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return FALSE;
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}
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#endif //_DEBUG
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#ifdef _MAC
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HINSTANCE hInst = AfxFindResourceHandle(m_lpszTemplateName, RT_DIALOG);
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_AfxStripDialogCaption(hInst, m_lpszTemplateName);
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#endif
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// initialize common controls
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VERIFY(AfxDeferRegisterClass(AFX_WNDCOMMCTLS_REG));
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// call PreCreateWindow to get prefered extended style
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CREATESTRUCT cs; memset(&cs, 0, sizeof(CREATESTRUCT));
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if (dwRequestedStyle == 0)
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dwRequestedStyle = AFX_WS_DEFAULT_VIEW;
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cs.style = dwRequestedStyle;
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if (!PreCreateWindow(cs))
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return FALSE;
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// create a modeless dialog
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if (!CreateDlg(m_lpszTemplateName, pParentWnd))
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return FALSE;
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m_pCreateContext = NULL;
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// we use the style from the template - but make sure that
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// the WS_BORDER bit is correct
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// the WS_BORDER bit will be whatever is in dwRequestedStyle
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ModifyStyle(WS_BORDER|WS_CAPTION,
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dwRequestedStyle & (WS_BORDER|WS_CAPTION));
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ModifyStyleEx(WS_EX_CLIENTEDGE, cs.dwExStyle & WS_EX_CLIENTEDGE);
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SetDlgCtrlID(nID);
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CRect rectTemplate;
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GetWindowRect(rectTemplate);
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SetScrollSizes(MM_TEXT, rectTemplate.Size());
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// initialize controls etc
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if (!ExecuteDlgInit(m_lpszTemplateName))
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return FALSE;
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// force the size requested
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SetWindowPos(NULL, rect.left, rect.top,
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rect.right - rect.left, rect.bottom - rect.top,
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SWP_NOZORDER|SWP_NOACTIVATE);
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// make visible if requested
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if (dwRequestedStyle & WS_VISIBLE)
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ShowWindow(SW_NORMAL);
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return TRUE;
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}
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#ifdef _MAC
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// Helper function that strips out the caption bit from dialog templates.
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// This is done so that WLM creates a true child window instead of a
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// top-level child window.
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void AFXAPI _AfxStripDialogCaption(HINSTANCE hInst, LPCTSTR lpszResource)
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{
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ASSERT(lpszResource != NULL);
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HRSRC hResource = ::FindResource(hInst, lpszResource, RT_DIALOG);
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if (hResource == NULL)
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return;
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HGLOBAL hTemplate = LoadResource(hInst, hResource);
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if (hTemplate == NULL)
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return;
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DLGTEMPLATE* pTemplate = (DLGTEMPLATE*)LockResource(hTemplate);
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// strip back to a simple border if the dialog was captioned
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if (((DLGTEMPLATEEX*) pTemplate)->signature == 0xFFFF)
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{
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if ((((DLGTEMPLATEEX*) pTemplate)->style & WS_CAPTION) == WS_CAPTION)
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((DLGTEMPLATEEX*) pTemplate)->style &= ~WS_DLGFRAME;
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}
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else if ((pTemplate->style & WS_CAPTION) == WS_CAPTION)
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pTemplate->style &= ~WS_DLGFRAME;
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// do not free the resource - we want it to remain in memory with our changes
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}
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#endif
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void CFormView::OnInitialUpdate()
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{
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ASSERT_VALID(this);
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if (!UpdateData(FALSE))
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TRACE0("UpdateData failed during formview initial update.\n");
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CScrollView::OnInitialUpdate();
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}
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int CFormView::OnCreate(LPCREATESTRUCT lpcs)
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{
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// since we can't get the create context parameter passed in
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// through CreateDialog, we use a temporary member variable
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lpcs->lpCreateParams = (LPVOID)m_pCreateContext;
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return CScrollView::OnCreate(lpcs);
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}
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void CFormView::OnActivateView(
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BOOL bActivate, CView* pActivateView, CView* pDeactiveView)
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{
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if (SaveFocusControl())
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return; // don't call base class when focus is already set
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CView::OnActivateView(bActivate, pActivateView, pDeactiveView);
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}
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void CFormView::OnActivateFrame(UINT nState, CFrameWnd* /*pFrameWnd*/)
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{
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if (nState == WA_INACTIVE)
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SaveFocusControl(); // save focus when frame loses activation
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}
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BOOL CFormView::SaveFocusControl()
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{
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// save focus window if focus is on this window's controls
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HWND hWndFocus = ::GetFocus();
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if (hWndFocus != NULL && ::IsChild(m_hWnd, hWndFocus))
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{
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m_hWndFocus = hWndFocus;
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return TRUE;
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}
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return FALSE;
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}
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void CFormView::OnSetFocus(CWnd*)
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{
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if (!::IsWindow(m_hWndFocus))
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{
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// invalid or unknown focus window... let windows handle it
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m_hWndFocus = NULL;
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Default();
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return;
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}
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// otherwise, set focus to the last known focus window
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::SetFocus(m_hWndFocus);
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}
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BOOL CFormView::PreTranslateMessage(MSG* pMsg)
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{
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ASSERT(pMsg != NULL);
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ASSERT_VALID(this);
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ASSERT(m_hWnd != NULL);
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// allow tooltip messages to be filtered
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if (CView::PreTranslateMessage(pMsg))
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return TRUE;
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// don't translate dialog messages when in Shift+F1 help mode
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CFrameWnd* pFrameWnd = GetTopLevelFrame();
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if (pFrameWnd != NULL && pFrameWnd->m_bHelpMode)
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return FALSE;
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// since 'IsDialogMessage' will eat frame window accelerators,
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// we call all frame windows' PreTranslateMessage first
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pFrameWnd = GetParentFrame(); // start with first parent frame
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while (pFrameWnd != NULL)
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{
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// allow owner & frames to translate before IsDialogMessage does
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if (pFrameWnd->PreTranslateMessage(pMsg))
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return TRUE;
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// try parent frames until there are no parent frames
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pFrameWnd = pFrameWnd->GetParentFrame();
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}
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// filter both messages to dialog and from children
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return PreTranslateInput(pMsg);
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}
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void CFormView::OnDraw(CDC* pDC)
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{
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ASSERT_VALID(this);
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// do nothing - dialog controls will paint themselves,
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// and Windows dialog controls do not support printing
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#ifdef _DEBUG
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if (pDC->IsPrinting())
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TRACE0("Warning: CFormView does not support printing.\n");
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#endif
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UNUSED(pDC); // unused in release build
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}
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#ifndef _AFX_NO_OCC_SUPPORT
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LRESULT CFormView::HandleInitDialog(WPARAM, LPARAM)
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{
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Default(); // allow default to initialize first (common dialogs/etc)
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// create OLE controls
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COccManager* pOccManager = afxOccManager;
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if ((pOccManager != NULL) && (m_pOccDialogInfo != NULL))
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{
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if (!pOccManager->CreateDlgControls(this, m_lpszTemplateName,
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m_pOccDialogInfo))
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{
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TRACE0("Warning: CreateDlgControls failed during form view init.\n");
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return FALSE;
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}
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}
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return FALSE; // don't set focus until later
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}
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BOOL CFormView::SetOccDialogInfo(_AFX_OCC_DIALOG_INFO* pOccDialogInfo)
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{
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m_pOccDialogInfo = pOccDialogInfo;
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return TRUE;
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}
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#endif //!_AFX_NO_OCC_SUPPORT
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//////////////////////////////////////////////////////////////////////////
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// CFormView diagnostics
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#ifdef _DEBUG
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void CFormView::Dump(CDumpContext& dc) const
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{
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CView::Dump(dc);
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dc << "m_lpszTemplateName = ";
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if (HIWORD(m_lpszTemplateName) == 0)
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dc << (int)LOWORD((DWORD)m_lpszTemplateName);
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else
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dc << m_lpszTemplateName;
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dc << "\n";
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}
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void CFormView::AssertValid() const
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{
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CView::AssertValid();
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}
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#endif
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#ifdef AFX_INIT_SEG
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#pragma code_seg(AFX_INIT_SEG)
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#endif
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IMPLEMENT_DYNAMIC(CFormView, CScrollView)
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//////////////////////////////////////////////////////////////////////////
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