CPosPassThru::NonDelegatingQueryInterface
A version of this page is also available for
4/8/2010
Returns a specified reference-counted interface.
Syntax
HRESULT NonDelegatingQueryInterface(
REFIID riid,
void** ppv
);
Parameters
- riid
Reference identifier.
- ppv
Pointer to the interface.
Return Value
Returns E_POINTER if ppv is invalid. Returns NOERROR if the query is successful or E_NOINTERFACE if it is not.
Remarks
Returns pointers to the IMediaPosition, IMediaSeeking, and IUnknown interfaces by default. Override this method to publish any additional interfaces implemented by the derived class.
This member function implements the INonDelegatingUnknown::NonDelegatingQueryInterface method.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |