I have an expander in WPF, and I am wondering how you make it so you can expand multiple areas at one time. Every time I click on a section, the previously opened section closes. I want that to remain open. Is there a way to do that? This expander is in a ListBox, that is why there are multiples of them.
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I figured it out. As long as you don’t set the IsExpanded property, you are fine.