MFRemovePeriodicCallback function (mfapi.h)

Cancels a callback function that was set by the MFAddPeriodicCallback function.

Syntax

HRESULT MFRemovePeriodicCallback(
  [in] DWORD dwKey
);

Parameters

[in] dwKey

Key that identifies the callback. This value is retrieved by the MFAddPeriodicCallback function.

Return value

The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The function succeeded.

Remarks

The callback is dispatched on another thread, and this function does not attempt to synchronize with the callback thread. Therefore, it is possible for the callback to be invoked after this function returns.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Target Platform	Windows
Header	mfapi.h
Library	Mfplat.lib
DLL	Mfplat.dll

See also

Media Foundation Functions

Work Queues