377 lines
10 KiB
C++
377 lines
10 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1996-2000 Microsoft Corporation
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//
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// Module Name:
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// VerInfo.cpp
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//
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// Abstract:
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// Implementation of the CVersionInfo class.
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//
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// Author:
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// David Potter (davidp) October 11, 1996
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//
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// Revision History:
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//
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// Notes:
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "VerInfo.h"
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#include "ExcOper.h"
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#include "TraceTag.h"
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#include "resource.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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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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// Global Variables
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/////////////////////////////////////////////////////////////////////////////
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#ifdef _DEBUG
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CTraceTag g_tagVersionInfo(_T("Misc"), _T("CVersionInfo"), 0);
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CVersionInfo
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::CVersionInfo
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//
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// Routine Description:
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// Default constructor.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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CVersionInfo::CVersionInfo(void)
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{
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m_pbVerInfo = NULL;
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} //*** CVersionInfo::CVersionInfo()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::~CVersionInfo
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//
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// Routine Description:
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// Destructor.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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CVersionInfo::~CVersionInfo(void)
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{
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delete [] m_pbVerInfo;
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} //*** CVersionInfo::~CVersionInfo()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::Init
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//
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// Routine Description:
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// Initialize the class instance.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// CNTException Errors from GetModuleFileName(),
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// GetFileVersionInfoSize(), and
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// GetFileVersionInfo().
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// Any exceptions thrown by new[]().
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//--
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/////////////////////////////////////////////////////////////////////////////
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void CVersionInfo::Init(void)
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{
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TCHAR szExeName[MAX_PATH];
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DWORD dwVerHandle;
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DWORD cbVerInfo;
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ASSERT(m_pbVerInfo == NULL);
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// Get the name of the file from which to read version information.
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if (!::GetModuleFileName(
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AfxGetInstanceHandle(),
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szExeName,
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sizeof(szExeName) / sizeof(TCHAR)
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))
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ThrowStaticException(::GetLastError());
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// Trace(...)
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try
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{
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// Get the size of the version information
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cbVerInfo = ::GetFileVersionInfoSize(szExeName, &dwVerHandle);
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if (cbVerInfo == 0)
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ThrowStaticException(::GetLastError());
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// Allocate the version info buffer.
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m_pbVerInfo = new BYTE[cbVerInfo];
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if ( m_pbVerInfo == NULL )
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{
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AfxThrowMemoryException();
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} // if: error allocating the version info buffer
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// Read the version info from the file.
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if (!::GetFileVersionInfo(szExeName, dwVerHandle, cbVerInfo, PbVerInfo()))
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ThrowStaticException(::GetLastError());
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} // try
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catch (CException *)
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{
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delete [] m_pbVerInfo;
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m_pbVerInfo = NULL;
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throw;
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} // catch: CException
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} //*** CVersionInfo::Init()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::PszQueryValue
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//
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// Routine Description:
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// Read a string value from the version resource.
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//
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// Arguments:
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// pszValueName [IN] Name of value to get.
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//
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// Return Value:
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// Pointer to value string buffer.
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// The string pointed to belongs to CVersionInfo and
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// is valid until the object is destructed.
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//
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// Exceptions Thrown:
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// CNTException Errors from VerQueryValue().
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// Any exceptions thrown by CString::Format().
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//--
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/////////////////////////////////////////////////////////////////////////////
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LPCTSTR CVersionInfo::PszQueryValue(IN LPCTSTR pszValueName)
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{
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CString strValueName;
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LPDWORD pdwTranslation;
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LPTSTR pszReturn;
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UINT cbReturn;
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UINT cchReturn;
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ASSERT(pszValueName != NULL);
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ASSERT(PbVerInfo() != NULL);
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// Get the LangID and CharSetID.
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strValueName = _T("\\VarFileInfo\\Translation");
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if (!::VerQueryValue(
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PbVerInfo(),
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(LPTSTR) (LPCTSTR) strValueName,
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(LPVOID *) &pdwTranslation,
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&cbReturn
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)
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|| (cbReturn == 0))
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{
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pszReturn = NULL;
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} // if: error getting LangID and CharSetID
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else
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{
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// Construct the name of the value to read.
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strValueName.Format(
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_T("\\StringFileInfo\\%04X%04X\\%s"),
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LOWORD(*pdwTranslation), // LangID
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HIWORD(*pdwTranslation), // CharSetID
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pszValueName
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);
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Trace(g_tagVersionInfo, _T("Querying '%s'"), strValueName);
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// Read the value.
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if (!::VerQueryValue(
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PbVerInfo(),
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(LPTSTR) (LPCTSTR) strValueName,
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(LPVOID *) &pszReturn,
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&cchReturn
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)
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|| (cchReturn == 0))
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pszReturn = NULL;
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} // else:
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#ifdef _DEBUG
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if (pszReturn != NULL)
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Trace(g_tagVersionInfo, _T("PszQueryValue(%s) = '%s'"), pszValueName, pszReturn);
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else
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Trace(g_tagVersionInfo, _T("PszQueryValue(%s) = Not Available"), pszValueName);
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#endif
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return pszReturn;
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} //*** CVersionInfo::PszQueryValue()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::BQueryValue
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//
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// Routine Description:
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// Read a value from the version resource.
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//
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// Arguments:
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// pszValueName [IN] Name of value to get.
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// rdwValue [OUT] DWORD in which to return the value.
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//
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// Return Value:
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// TRUE = success, FALSE = failure
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//
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// Exceptions Thrown:
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// None.
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//--
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/////////////////////////////////////////////////////////////////////////////
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BOOL CVersionInfo::BQueryValue(
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IN LPCTSTR pszValueName,
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OUT DWORD & rdwValue
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)
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{
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BOOL bSuccess;
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UINT cbReturn;
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DWORD * pdwValue;
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ASSERT(pszValueName != NULL);
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ASSERT(PbVerInfo() != NULL);
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// Read the value.
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if (!::VerQueryValue(
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PbVerInfo(),
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(LPTSTR) pszValueName,
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(LPVOID *) &pdwValue,
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&cbReturn
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)
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|| (cbReturn == 0))
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bSuccess = FALSE;
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else
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{
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rdwValue = *pdwValue;
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bSuccess = TRUE;
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} // else: value read successfully
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#ifdef _DEBUG
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if (bSuccess)
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Trace(g_tagVersionInfo, _T("BQueryValue(%s) = '%lx'"), pszValueName, rdwValue);
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else
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Trace(g_tagVersionInfo, _T("BQueryValue(%s) = Not Available"), pszValueName);
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#endif
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return bSuccess;
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} //*** CVersionInfo::BQueryValue()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::PffiQueryValue
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//
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// Routine Description:
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// Read the VS_FIXEDFILEINFO information from the version resource.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// pffi Pointer to a VS_FIXEDFILEINFO structure. The buffer
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// pointerd to belongs to CVersionInfo and is valid
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// until the object is destructed.
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//
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// Exceptions Thrown:
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// CNTException Errors from VerQueryValue().
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// Any exceptions thrown by CString::Format().
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//--
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/////////////////////////////////////////////////////////////////////////////
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const VS_FIXEDFILEINFO * CVersionInfo::PffiQueryValue(void)
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{
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VS_FIXEDFILEINFO * pffi;
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UINT cbReturn;
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ASSERT(PbVerInfo() != NULL);
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// Read the FixedFileInfo.
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if (!::VerQueryValue(PbVerInfo(), _T("\\"), (LPVOID *) &pffi, &cbReturn)
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pffi = NULL;
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#ifdef _DEBUG
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if (pffi != NULL)
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Trace(g_tagVersionInfo, _T("PffiQueryValue() version = %d.%d.%d.%d"),
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HIWORD(pffi->dwFileVersionMS),
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LOWORD(pffi->dwFileVersionMS),
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HIWORD(pffi->dwFileVersionLS),
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LOWORD(pffi->dwFileVersionLS));
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else
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Trace(g_tagVersionInfo, _T("PffiQueryValue() = Not Available"));
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#endif
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return pffi;
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} //*** CVersionInfo::PffiQueryValue()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CVersionInfo::QueryFileVersionDisplayString
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//
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// Routine Description:
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// Read the file version as a display string from the version resource.
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//
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// Arguments:
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// rstrValue [OUT] String in which to return the version display string.
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//
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// Return Value:
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// None.
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//
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// Exceptions Thrown:
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// CNTException ERROR_RESOURCE_TYPE_NOT_FOUND.
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// Any exceptions thrown by CString::Format().
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//--
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/////////////////////////////////////////////////////////////////////////////
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void CVersionInfo::QueryFileVersionDisplayString(OUT CString & rstrValue)
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{
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const VS_FIXEDFILEINFO * pffi;
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// Get the file version information.
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pffi = PffiQueryValue();
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if (pffi == NULL)
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ThrowStaticException((SC) ERROR_RESOURCE_TYPE_NOT_FOUND);
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// Format the display string.
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rstrValue.Format(
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IDS_VERSION_NUMBER_FORMAT,
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HIWORD(pffi->dwFileVersionMS),
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LOWORD(pffi->dwFileVersionMS),
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HIWORD(pffi->dwFileVersionLS),
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LOWORD(pffi->dwFileVersionLS)
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);
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Trace(g_tagVersionInfo, _T("QueryFileVersionDisplayString() = %s"), rstrValue);
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} //*** CVersionInfo::QueryFileVersionDisplayString()
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