CString getTempDir()
{
   TCHAR tempPath[MAX_PATH + 1] = _T("");
   const UINT SIZE_IN_TCHARS = sizeof(tempPath)/sizeof(TCHAR); 
   
   DWORD retval = GetTempPath(SIZE_IN_TCHARS, tempPath);
   if (SIZE_IN_TCHARS < retval) {
      THROW(Exception(_T("Failed getting temp directory path")));
   }
   
   return CString(tempPath);
} //end of getTempDir