|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 This content is outdated and is no longer being maintained.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.|
Passes an EC_VIDEO_SIZE_CHANGED message to the filter graph manager.
virtual HRESULT OnVideoSizeChange( );
Returns an HRESULTvalue.
A video renderer should call this member function each time the video size is changed; this will typically be called once after initial connection. If the renderer can support dynamic format changes (from 320 x 240 to 160 x 120), it should also call it after each change.