ActivateApp Event 139

Applies To: Root

Description

If enabled, this event is reported when the user switches to or from a Dyalog APL/W application.

The event message reported as the result of ⎕DQ, or supplied as the right argument to your callback function, is a 3-element vector as follows :

[1] Object ref or character vector
[2] Event 'ActivateApp' or 139
[3] Activation flag 0 or 1

The Activation flag is 0 when the user switches from Dyalog APL to another application.

The Activation flag is 1 when the user switches to Dyalog APL from another application.