## MMPM/2 Device Driver Reference

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### VSD_ESCAPE - Syntax

This optional command sends a buffer to the driver.

This command is sent using VSDEntry as follows:

        VSDEntry(hvsd, ulFunc, ulFlags, pRequest)

hvsd (HVSD) Handle to a VSD.

ulFunc (ULONG) Set to VSD_ESCAPE.

ulFlags (ULONG) No flags used for this command.

pRequest (PVSD_ESCAPE_PARMS) A pointer to the VSD_ESCAPE_PARMS structure.

rc (ULONG) Error code indicating success or the type of failure:

VSDERR_SUCCESS The command was successful.

VSDERR_MISSING_PARAMETER One or more parameters are missing.