1. A computer implemented method of enhancing a standard direct manipulation drag and drop operation in a data processing system, the method comprising the steps of: providing a processor object potentially providing a series of changes for a source object; dragging said source object over said processor object while performing said standard direct manipulation drag and drop operation in said data processing system and dropping said source object on a target object; and processing said series of changes by said processor object for said source object in response to dropping said source object on said target object.