This topic documents a feature of Visual Filters and Transitions, which is deprecated as of Windows Internet Explorer 9 and obsolete as of Internet Explorer 10.
Called by the base class to check the input and output data object generation IDs and increment the transform generation ID.
virtual void OnUpdateGenerationId(VOID) = 0;
No return value.
You only need to override this derived method if you are directly changing the generation of your transform. If not, reference counting is managed properly by the base class.