I having a problem with the following code. The first time it's run
 the file is created and the file is written to disk. However, the second
 time the first file is overwritten. No error messages. Checking it with 
 the debugger I find that DosSetFilePtr causes an exception and it doesn't
 execute. So in effect the file pointer is not advanced to the end. DosOpen
 returns 0 and ulAction = FILE_EXISTED. I can't figure out what wrong
 with DoSetFilePtr? Any suggestions?

Regards,
Richard

/* error checking removed */
LONG lDistance = 0;
PULONG pNewPtr;
rc1 = DosOpen (pchFile, &hFileHandle, &ulAction, 0, FILE_NORMAL,
                OPEN_ACTION_OPEN_IF_EXISTS | 
                OPEN_ACTION_CREATE_IF_NEW,
                OPEN_ACCESS_READWRITE | 
                OPEN_SHARE_DENYREADWRITE |
                OPEN_FLAGS_RANDOM, NULL );
rc2 = DosSetFilePtr (hFileHandle, lDistance, FILE_END, pNewPtr); // Move
pointer to end rc3 = DosWrite ( hFileHandle, (PVOID)&ClientData, sizeof
(ClientData), &ulWritten);DosClose (hFileHandle);


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