MsgBtn1 Event 61
Applies To: MsgBox

Description

If enabled, this event is reported when the user responds to a MsgBox object by clicking its first (leftmost) button. The event message reported as the result of ⎕DQ, or supplied as the right argument to your callback function, is a 2-element vector as follows:

[1] Object ref or character vector
[2] Event 'MsgBtn1' or 61