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Evtroutine Handling(#List.ItemGotFocus)
#Details.visible := False
#GetData.Execute(#Data)
#Details.visible := True
Endroutine
When the event fires, you might expect #Details to disappear from view, but the synchronous nature of the processing means that the property will be set to false and then set back to true before the User Interface has a chance to update.
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