columnDidMoveNotification

Posted whenever a column is moved by user action in an NSOutlineView object.

Declaration

class let columnDidMoveNotification: NSNotification.Name

The notification object is the NSOutlineView object in which a column moved. The userInfo dictionary contains the following information:

Key	Value
`@"NSOldColumn"`	An Nsnumber object containing the integer value of the column’s original index
`@"NSNewColumn"`	An Nsnumber object containing the integer value of the column’s present index