Как извлечь версию EXE,DLL и т.д.?

void GetVersionOfFile (char * pszAppName, // file
 char * pszVerBuff, // receives version
 int iVerBuffLen, // size of buffer
 char * pszLangBuff, // receives language
 int iLangBuffLen) // size of buffer
{
 DWORD dwScratch;
 DWORD * pdwLangChar;
 DWORD dwInfSize ;
 UINT uSize;
 BYTE * pbyInfBuff;
 char szVersion [32];
 char szResource [80];
 char * pszVersion = szVersion;

 dwInfSize = GetFileVersionInfoSize (pszAppName, &dwScratch);

 if (dwInfSize)
 {
 pbyInfBuff = new BYTE [dwInfSize];
 memset (pbyInfBuff, 0, dwInfSize);
 if (pbyInfBuff)
 {
 if (GetFileVersionInfo (pszAppName, 0, dwInfSize, pbyInfBuff))
 {
 if (VerQueryValue (pbyInfBuff,
 "\\VarFileInfo\\Translation",
 (void**)(&pdwLangChar),
 &uSize))
 {
 if (VerLanguageName (LOWORD (*pdwLangChar),
 szResource,
 sizeof(szResource)))
 {
 strncpy (pszLangBuff, szResource, iLangBuffLen);
 }
 wsprintf (szResource, "\\StringFileInfo\\%04X%04X\\FileVersion",
 LOWORD (*pdwLangChar), HIWORD (*pdwLangChar));

 if (VerQueryValue (pbyInfBuff,
 szResource,
 (void**)(&pszVersion),
 &uSize))
 {
 strncpy (pszVerBuff, pszVersion, iVerBuffLen-1);
 }
 }
 }
 delete [] pbyInfBuff;
 }
 }
}