DragSource.this.drag();
DragSource.this.drag(event);
		public void handleEvent(Event event) {			if (event.type == SWT.Dispose) {				if (!DragSource.this.isDisposed()) {					DragSource.this.dispose();				}			}			if (event.type == SWT.DragDetect) {				if (!DragSource.this.isDisposed()) {					DragSource.this.drag();				}			}		}