Summary: I want to disable specific TreeView Item checkboxes (grayed out, disabled, invisible, whatever!) and leave others intact. I've searched and found Holger's Tristate GUI TreeView as well as a more specific post from him about what I am trying to do, however after updating the code to work with the most recent AutoIt versions, I find it is not working for me. The code in that second post is actually just a simplified version of his Tristate stuff, so I focused on that (although I tested b