Parameters

handle

The handle of the object related to the media being written.

function

Set to MM_SEQUENTIAL_WRITE.

parameter1

Specifies the number of units to be written.

parameter2

Reserved. Set to zero.

parameter3

Reserved. Set to zero.

bufferLen

The size of the buffer (i.e., the number of units multiplied by the unit size).

buffer

Points to a buffer in memory where the data is written from.

returnParameter

The number of units written.