[ Windows | MFC ] get appliation version

CString ClassName::getAppVersion()

{

     int major, minor, build, revision;

     DWORD verBufferSize;

     char verBuffer[2048];

     CString version;

     TCHAR AppName[MAX_PATH];

     GetModuleFileName(NULL, AppName, MAX_PATH);

     //  Get the size of the version info block in the file

     verBufferSize = GetFileVersionInfoSize(AppName, NULL);

     if (verBufferSize > 0 && verBufferSize <= sizeof(verBuffer))

     {

         //  get the version block from the file

         if (TRUE == GetFileVersionInfo(AppName, NULL, verBufferSize, verBuffer))

         {

              UINT length;

              VS_FIXEDFILEINFO *verInfo = NULL;

              //  Query the version information for neutral language

              if (TRUE == VerQueryValue(

                  verBuffer,

                  _T("\\"),

                  reinterpret_cast<LPVOID*>(&verInfo),

                  &length))

              {

                  //  Pull the version values.

                  major = HIWORD(verInfo->dwProductVersionMS);

                  minor = LOWORD(verInfo->dwProductVersionMS);

                  build = HIWORD(verInfo->dwProductVersionLS);

                  revision = LOWORD(verInfo->dwProductVersionLS);

              }

         }

     }

     version.Format(_T("V %d.%d.%d.%d"), major, minor, build, revision);

     return version;

}