RefEdit RefEdit uses the wblock() mechanism
{"Image DocumentName": "RefEdit RefEdit uses the wblock() mechanism", "Image ImageDescription": "Checkout. Checkin. Only modified objects will be clones in checkin. See the AcApLongTransactionReactor class. void beginCheckOut(AcDbLongTransaction&, AcDbObjectIdArray&); void endCheckOut(AcDbLongTransaction&); void beginCheckIn(AcDbLongTransaction&); void endCheckIn(AcDbLongTransaction&); void abortLongTransaction(AcDbLongTransaction&); Acad::ErrorStatus veto();", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}