SHC_SENDMSG - Description

This message sends a stream handler specific message to a stream handler.

pParmIn (PPARM_SNDMSG)

A pointer to a PARM_SNDMSG data structure.

rc (ULONG)

Return codes indicating success or the type of failure:

NO_ERROR

Success.
ERROR_INVALID_FUNCTION
Invalid function requested.
ERROR_INVALID_HID
Invalid handler ID.
FAILURE
Stream handler-specific error return code.

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