DisplayChange Event 137

Applies To: Root

Description

If enabled, this event is reported when the user changes the screen resolution or number of colours. The event is reported for information only; you cannot prevent the change from occurring.

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	'DisplayChange' or 137
[3]	Height	Integer. Number of pixels in the y-direction
[4]	Width	Integer. Number of pixels in the x-direction
[5]	Number of colours	Integer.