My custom UI input panel works fine, but becomes completely dead after being hidden and then shown again. It no longer responds to clicks and can't be dragged. I set up a test so that pressing "1" shows the panel and "6" hides it, with nothing else happening in between. The test confirms that the panel stops working after being hidden/shown. This was previously reported in this post. If I set active true or false instead of using hide/show, everything works.