Try rewinding the file?
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 05, 1999 5:21 PM
> To: [EMAIL PROTECTED]
> Subject: File Reading & Writing
>
>
> I am pulling information from data entry screens and
> attempting to save them
> to a file. The File Open (ReadWrite mode), File Write, and
> File close
> appears to be working correctly (returning a file handle and
> error code ptr
> is returning NULL). I then open the file (Read only mode)
> and read, but the
> no# of objects returned is 0 and my buffer is empty. I
> enclosed the code -
> another set of more experienced eyes would be greatly appreciated:
> **************************************************************
> ****************
> ***************
> FileHand fh;
> DWord openMode;
> SWord sResult;
> Long myRtn;
> VoidPtr bufP;
>
> Err *errP =0;
> CharPtr pData;
>
> fh = FileOpen (0, "newfile", sysFileTFileStream, 0, openMode, errP);
> if (fh == NULL)
> {
> PalmMessageBox (DebugAlertAlert, "Error creating file");
> return;
> }
>
> myRtn = FileWrite(fh, "Test Data String" , 16, 1, errP);
> if (errP != NULL)
> {
> PalmMessageBox(DebugAlertAlert, "Error writing to file");
> return;
> }
>
> FileClose(fh);
>
>
> //
> // Debug Purposes: Open file and read record to see if file
> was created
> // correctly.
> //
> openMode = fileModeReadOnly;
>
> if ((fh = FileOpen (0, "newfile", sysFileTFileStream, 0,
> openMode, errP))
> == NULL)
> {
> PalmMessageBox (DebugAlertAlert, "Error opening file
> for ReadOnly");
> return;
> }
>
>
> myRtn = FileRead(fh, &bufP,16,1, errP);
>
> SetFieldText(fldID, bufP, 17, false);
>
> FileClose(fh);
>
