KsFilterGetOuterUnknown function (ks.h)

The KsFilterGetOuterUnknown function returns the outer IUnknown interface of the filter specified by Filter.

Syntax

PUNKNOWN KsFilterGetOuterUnknown(
  [in] PKSFILTER Filter
);

Parameters

[in] Filter

A pointer to the KSFILTER structure for which to return the outer IUnknown.

Return value

KsFilterGetOuterUnknown returns a pointer to the outer IUknown interface of Filter. The interface can then be used to query for other interfaces, or it can be used in conjunction with a KsXxxRegisterAggregatedClientUnknown call to cause Filter to aggregate a minidriver supplied COM object.

Remarks

This call is an inline function call to KsGetOuterUnknown.

Requirements

Requirement Value
Minimum supported client Available in Microsoft Windows XP and later operating systems and DirectX 8.0 and later DirectX versions.
Target Platform Desktop
Header ks.h (include Ks.h)
IRQL PASSIVE_LEVEL

See also

AVStream Overview

IKsControl

KsFilterRegisterAggregatedClientUnknown

KsGetOuterUnknown

KsPinGetOuterUnknown

KsPinRegisterAggregatedClientUnknown

KsRegisterAggregatedClientUnknown