RtwqBeginUnregisterWorkQueueWithMMCSS function (rtworkq.h)

Unregisters a work queue from a Multimedia Class Scheduler Service (MMCSS) task.

Syntax

HRESULT RtwqBeginUnregisterWorkQueueWithMMCSS(
  [in] DWORD              workQueueId,
  [in] IRtwqAsyncCallback *doneCallback,
  [in] IUnknown           *doneState
);

Parameters

[in] workQueueId

The identifier of the work queue. For private work queues, the identifier is returned by the RtwqAllocateWorkQueue function.

[in] doneCallback

Pointer to the IRtwqAsyncCallback interface of a callback object. The caller must implement this interface.

[in] doneState

Pointer to the IUnknown interface of a state object, defined by the caller. This parameter can be NULL. You can use this object to hold state information. The object is returned to the caller when the callback is invoked.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements