_hwrite info  Overview  Group

The _hwrite function writes data to the specified file. This function is provided for compatibility with 16-bit versions of Windows. Win32-based applications should use the WriteFile function.

long _hwrite(

Parameters

hFile

Identifies the specified file.

lpBuffer

Pointer to a buffer that contains the data to be written to the file.

lBytes

Specifies the number of bytes to be written to the file.

Return Values

If the function succeeds, the return value indicates the number of bytes actually written to the file.

If the function fails, the return value is HFILE_ERROR. To get extended error information, call GetLastError.

If you are attempting to write to a floppy drive that does not have a floppy disk, the system displays a message box prompting the user to retry the operation. To prevent the system from displaying this message box, call the SetErrorMode function with SEM_NOOPENFILEERRORBOX.

See Also

_hread, SetErrorMode, WriteFile 

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