A predefined or user-defined integer spot or handle ID.
Return Value
The opposite spot for the standard nine object spots.
For other values, it just returns that value.
Remarks
This is typically used by methods that position objects in a group (such as GoGroup.LayoutChildren) or that specify link points for ports (e.g. GoPort.GoPort.ToSpot). You may want to override this method to handle your own custom spot values, those with a value greater than