mmioWrite function (mmiscapi.h)

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

Syntax

LONG mmioWrite(
  HMMIO            hmmio,
  const 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

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	mmiscapi.h (include Mmiscapi.h, Windows.h)
Library	Winmm.lib
DLL	Winmm.dll