The CompareFileTime function compares two 64-bit file times.
LONG CompareFileTime(
| CONST FILETIME *lpFileTime1, | // pointer to first file time | 
| CONST FILETIME *lpFileTime2 | // pointer to second file time | 
| ); | 
The return value is one of the following values:
| Value | Meaning | 
| -1 | First file time is less than second file time. | 
| 0 | First file time is equal to second file time. | 
| +1 | First file time is greater than second file time. |