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 to release resources when the transform is being set up with NULL inputs or outputs.
virtual void OnReleaseObjects(VOID) = 0;
No return value.
Override this method to be notified when the transform is being set up with NULL inputs or outputs. This enables you to free memory allocated by transform from previous calls to the IDXTransform::Setup method.