|This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.|
Retrieves an interface and increments the reference count.
HRESULT NonDelegatingQueryInterface( REFIID riid, void** ppv );
Pointer to the interface.
Returns E_POINTER if ppvis invalid.
Returns NOERROR if the query is successful or E_NOINTERFACE if it is not.
This member function provides an implementation of the INonDelegatingUnknown::NonDelegatingQueryInterfacemethod.
Override this class to return interfaces added in the derived class.
|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