// FileVersion.cpp: implementation of the CFileVersion class.
//////////////////////////////////////////////////////////////////////
#include "StdAfx.h"
#include "FileVersion.h"
#pragma comment(lib, "version")
//////////////////////////////////////////////////////////////////////
CFileVersion::CFileVersion()
{
m_lpVersionData = NULL;
m_dwLangCharset = 0;
}
CFileVersion::~CFileVersion()
{
Close();
}
void CFileVersion::Close()
{
delete[] m_lpVersionData;
m_lpVersionData = NULL;
m_dwLangCharset = 0;
}
BOOL CFileVersion::Open(LPCTSTR lpszModuleName)
{
ASSERT(_tcslen(lpszModuleName) > 0);
ASSERT(m_lpVersionData == NULL);
// Get the version information size for allocate the buffer
DWORD dwHandle;
DWORD dwDataSize = ::GetFileVersionInfoSize((LPTSTR)lpszModuleName, &dwHandle);
if ( dwDataSize == 0 )
return FALSE;
// Allocate buffer and retrieve version information
m_lpVersionData = new BYTE[dwDataSize];
if (!::GetFileVersionInfo((LPTSTR)lpszModuleName, dwHandle, dwDataSize,
(void**)m_lpVersionData) )
{
Close();
return FALSE;
}
// Retrieve the first language and character-set identifier
UINT nQuerySize;
DWORD* pTransTable;
if (!::VerQueryValue(m_lpVersionData, _T("\\VarFileInfo\\Translation"),
(void **)&pTransTable, &nQuerySize) )
{
Close();
return FALSE;
}
// Swap the words to have lang-charset in the correct format
m_dwLangCharset = MAKELONG(HIWORD(pTransTable[0]), LOWORD(pTransTable[0]));
return TRUE;
}
CString CFileVersion::QueryValue(LPCTSTR lpszValueName,
DWORD dwLangCharset /* = 0*/)
{
// Must call Open() first
//ASSERT(m_lpVersionData != NULL);
if ( m_lpVersionData == NULL )
return (CString)_T("");
// If no lang-charset specified use default
if ( dwLangCharset == 0 )
dwLangCharset = m_dwLangCharset;
// Query version information value
UINT nQuerySize;
LPVOID lpData;
CString strValue, strBlockName;
strBlockName.Format(_T("\\StringFileInfo\\%08lx\\%s"),
dwLangCharset, lpszValueName);
if ( ::VerQueryValue((void **)m_lpVersionData, strBlockName.GetBuffer(0),
&lpData, &nQuerySize) )
strValue = (LPCTSTR)lpData;
strBlockName.ReleaseBuffer();
return strValue;
}
BOOL CFileVersion::GetFixedInfo(VS_FIXEDFILEINFO& vsffi)
{
// Must call Open() first
ASSERT(m_lpVersionData != NULL);
if ( m_lpVersionData == NULL )
return FALSE;
UINT nQuerySize;
VS_FIXEDFILEINFO* pVsffi;
if ( ::VerQueryValue((void **)m_lpVersionData, _T("\\"),
(void**)&pVsffi, &nQuerySize) )
{
vsffi = *pVsffi;
return TRUE;
}
return FALSE;
}
CString CFileVersion::GetFixedFileVersion()
{
CString strVersion;
VS_FIXEDFILEINFO vsffi;
if ( GetFixedInfo(vsffi) )
{
strVersion.Format (_T("%u,%u,%u,%u"),HIWORD(vsffi.dwFileVersionMS),
LOWORD(vsffi.dwFileVersionMS),
HIWORD(vsffi.dwFileVersionLS),
LOWORD(vsffi.dwFileVersionLS));
}
return strVersion;
}
CString CFileVersion::GetFixedProductVersion()
{
CString strVersion;
VS_FIXEDFILEINFO vsffi;
if ( GetFixedInfo(vsffi) )
{
strVersion.Format (_T("%u,%u,%u,%u"), HIWORD(vsffi.dwProductVersionMS),
LOWORD(vsffi.dwProductVersionMS),
HIWORD(vsffi.dwProductVersionLS),
LOWORD(vsffi.dwProductVersionLS));
}
return strVersion;
}
