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mmioWrite function

The mmioWrite function writes a specified number of bytes to a file opened by using the mmioOpen function.

Syntax


LONG mmioWrite(
   HMMIO      hmmio,
   char _huge *pch,
   LONG       cch
);

Parameters

hmmio

File handle of the file.

pch

Pointer to the buffer to be written to the file.

cch

Number of bytes to write to the file.

Return value

Returns the number of bytes actually written. If there is an error writing to the file, the return value is -1.

Remarks

The current file position is incremented by the number of bytes written.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Mmsystem.h (include Windows.h)

Library

Winmm.lib

DLL

Winmm.dll

 

 

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