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Home/ Questions/Q 8301429
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Editorial Team
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Editorial Team
Asked: June 8, 20262026-06-08T16:56:54+00:00 2026-06-08T16:56:54+00:00

When the user clicks on a ListBox I want to make an asynchronous call

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When the user clicks on a ListBox I want to make an asynchronous call and populate it.
The problem is that the ListBox opens right away.
The asynchronous call will complete later.

It seems that there is no way to control when the ListBox opens or closes.

What I would like to is:

  • Click on the ListBox.
  • Get the data remotely.
  • Display listbox pop up with data after the call completes.

I there a way to do this with a ListBox?

I know I can that I can write a widget that does that.

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  1. Editorial Team
    Editorial Team
    2026-06-08T16:56:57+00:00Added an answer on June 8, 2026 at 4:56 pm

    This is not possible to this with ListBox.

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