Accessing 'Cleanup Dimensions' for an Entire Drawing Sheet via Creo 10 J-Link API

1."Can we perform a 'Cleanup Dimensions' operation across all views of a 2D drawing sheet simultaneously by passing a NULL view pointer in the J-Link API for Creo 10?"

2."In Creo customization using J-Link, is it possible to cast a standard pfcDrawing object to a wfcWDrawing object to access Web Foundation Class methods?"