DDCMD_DEREG_STREAM - Description

This message removes a stream instance from a device driver. The stream handler directs the device driver to deregister the stream-destroy the stream and all associated data.

pParmIn (PDDCMDDEREGISTER)

A pointer to a DDCMDDEREGISTER data structure.

rc (ULONG)

Error code indicating success or the type of failure:

NO_ERROR

Success.
ERROR_INVALID_FUNCTION
Illegal function requested.
ERROR_INVALID_STREAM
Invalid stream handle.
FAILURE
Device-driver-specific error.

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