How to trigger a refresh of a drop-down list when the selection is changed
Hello
This is a general question of ExtendScript, but since I work with FM, I'll ask here first. I have a bit of a paradox here and I'm not sure of the best way to manage it.
I have a dialog box with a drop-down list, where I want to refresh some controls when the user changes the selection in the list (dropdownList.onChange). This includes them refresh the content of the list itself. However, the problem is, whenever I try to update the content of the list, onChange triggers again. So, if I put the call to update box in the onChange handler, it will result an infinite loop, because my upgrade function fires onChange when it refreshes the list.
Does anyone know a better methodology, where I can safely triggers a refresh of a drop-down list in the list's onChange event handler? I really wish that onChange was reserved for an action of the user only, or at least there is a property for this purpose.
Russ
Hi Fabio,.
You can't "Refresh" a menu drop-down.
But you can rebuild.
You must do it "manually".
As I do:
1. I have a picture I want to show in the dropdownlist control.
2. I have delete all children: myList.removeAll ();
3 I have rebuild the list via mylist.add ("item", "myArray [index] in a for - loop.
But if you know the exact position of the elements to remove or add, you can do so via splice()
Tags: Adobe FrameMaker
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