## MMPM/2 Device Driver Reference

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### VSD_SETMONITOR

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    Syntax
    Returns
    Example Code
    Glossary

This subcommand of the VSD_SET command enables (MCI_TRUE) or disables (MCI_ FALSE) the audio monitor feature of the device.

This command is sent using VSDEntry as follows:

        VSDEntry(hvsd, ulFunc, ulFlags, pRequest)

hvsd (HVSD) Handle to a VSD.

ulFunc (ULONG) Set to VSD_SET.

ulFlags (ULONG) Set to VSD_SETMONITOR.

pRequest (PULONG) Input. Set to MCI_TRUE or MCI_FALSE.

rc (ULONG) Error code indicating success.

VSDERR_SUCCESS The command was successful.