当我将ListBox SelectionMode设置为“None”时，它不会对DataSource更改做出反应

while searching for an answer, I found out it's an old "bug" in VS !(?) I am using VS2013. I simply don't believe that they didn't correct it, so I have to think it's intentional, or there's something I am not doing right...while searching for an answer, I found out it's