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Preemptive Threads and Listboxes Don't Play Nice

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I’m seeing an issues where when I am running multiple preemptive threads and then doing paints in a listbox (main thread mind you), I get ThreadAccessingUI exceptions thrown. NONE of my threads are doing anything with the UI. Zero. They have nothing to do with this listbox save that some of the objects running the threads are properties of the listbox.

I know it’s a framework issue as I had a Framework Assertion get thrown.

Seems like there’s still quite a few potential problems with preemptive threads…

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