Example: (in custmain.4gl)

This example shows how to use the built-in class method ui.Interface.setImage to change the icon for the application windows.

Module custmain.4gl:

...
04 MAIN
05   DEFINE query_ok SMALLINT
06
07   DEFER INTERRUPT
08
09   CONNECT TO "custdemo"
10   CLOSE WINDOW SCREEN
11   CALL ui.Interface.setImage("smiley")
12   OPEN WINDOW w1 WITH FORM "custform"
13 
...

Note:

Line 11 For convenience, the image used is the smiley image from the pics directory, which is the default image directory of the Genero Desktop Client.