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The KsDeviceGetOuterUnknown function returns the outer IUnknown of the AVStream device specified by Device.
Syntax
PUNKNOWN KsDeviceGetOuterUnknown(
[in] PKSDEVICE Device
);
Parameters
[in] Device
A pointer to a KSDEVICE structure for which to get the outer unknown interface.
Return value
Returns a pointer to an outer IUnknown of Device. This interface can then be used to query for other interfaces.
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 |