How does the function IsValid of UiElement work?

[jack.chan]

Hi @thinhnguyenhung
maybe this answer here will help?

UIElement is no longer valid

Below will be partially a speculation: From my experience UiElement is no longer valid shows due to some caching issues - it seems like once an element is located it’s cached somewhere, but if the page changes in the meanwhile, it might make the reference invalid. At least that’s what I’m experiencing in one of the applications (a table is being redrawn under some circumstances while robot was operating on it). But, I was actually storing the UiElement in a variable, while you don’t seem to - …