public virtual NSDragOperation DraggingSourceOperationMaskForDraggingContext(NSDraggingSession session, NSDraggingContext context) { return(NSDragOperation.Copy); }
public NSDragOperation DraggingSessionSourceOperationMask(NSDraggingSession session, NSDraggingContext context) { if (context == NSDraggingContext.WithinApplication) { return(NSDragOperation.Private); } return(NSDragOperation.None); }