Applies To:

ListView

Description

If enabled, this event is reported when the user clicks on the column heading in a ListView object. This event may not be disabled or affected by a callback function in any way.

The event message reported as the result of ⎕DQ, or supplied as the right argument to your callback function, is a 5-element vector as follows :

[1]	Object	ref or character vector
[2]	Event	'ColumnClick' or 320
[3]	Column number	Integer
[4]	Button	button pressed (number) 1 = left button 2 = right button 4 = middle button
[5]	Shift State	sum of shift key codes (number) 1 = Shift key is down 2 = Ctrl key is down