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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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vc98
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mfc
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src
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apphelpx.cpp
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C/C++ Source or Header
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1998-06-16
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2KB
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75 lines
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#include "stdafx.h"
#ifdef AFX_CORE3_SEG
#pragma code_seg(AFX_CORE3_SEG)
#endif
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// Basic Help support (for backward compatibility to MFC 2.0)
void CWinApp::OnHelp() // use context to derive help context
{
if (m_dwPromptContext != 0)
{
// do not call WinHelp when the error is failing to lauch help
if (m_dwPromptContext != HID_BASE_PROMPT+AFX_IDP_FAILED_TO_LAUNCH_HELP)
WinHelp(m_dwPromptContext);
return;
}
// otherwise, use CWnd::OnHelp implementation
CWnd* pWnd = AfxGetMainWnd();
ASSERT_VALID(pWnd);
if (!pWnd->IsFrameWnd())
pWnd->OnHelp();
else
((CFrameWnd*)pWnd)->OnHelp();
}
void CWinApp::OnHelpIndex()
{
WinHelp(0L, HELP_INDEX);
}
void CWinApp::OnHelpFinder()
{
WinHelp(0L, HELP_FINDER);
}
void CWinApp::OnHelpUsing()
{
WinHelp(0L, HELP_HELPONHELP);
}
/////////////////////////////////////////////////////////////////////////////
// Context Help Mode support (backward compatibility to MFC 2.0)
void CWinApp::OnContextHelp()
{
// just use CFrameWnd::OnContextHelp implementation
m_bHelpMode = HELP_ACTIVE;
CFrameWnd* pMainWnd = (CFrameWnd*)AfxGetMainWnd();
ASSERT_VALID(pMainWnd);
ASSERT_KINDOF(CFrameWnd, pMainWnd);
pMainWnd->OnContextHelp();
m_bHelpMode = pMainWnd->m_bHelpMode;
pMainWnd->PostMessage(WM_KICKIDLE); // trigger idle update
}
/////////////////////////////////////////////////////////////////////////////