WPF - MenuItem with children not firing bound command
问题 So I've been butting my head against the wall with this one all day. In my WPF application (using MVVM Light), I have a context menu which is bound to a collection of viewmodels, and it is not behaving quite correctly. I can create my menu, and everything works perfectly with my tree of MenuItems behaving, commands being executed, and the correct parameter coming through. I'm using this to make a context menu which allows a user to add items to folders. The problem that I've run into is that