Why do we need a NavigationText property?

Because it differs from what is in the tree, it shows full types, members including type, and assembly name for some of the folders (screenshot first item)

I can also imagine it could be a method where you put current state and the text would differ on where you are (like same namespace or same assembly)

I think I am fine with that. Does need to be in the SharpTreeNode base class? Also definitely needs a separator other than space...

It's also important to use the settings-aware implementation for the node text that is used everywhere else.

It has a default implementation returning Text so no extra work for inheritors if the entry is to be the same as in the tree. NavigationState is holding SharpTreeNode nodes so that's why I put it there.

You can see in the changed files that it follows what Text is doing. The only "new syntax" is the space for the folders. What would you prefer? >?

With that said, I don't mind using Text directly if that was preferred. I just didn't find it too helpful for navigation.

Maybe put the folder in parentheses?

I am not sure. I can have a closer look when I get home. Reviewing code on the phone is not ideal. 😅

I put the folder first and where it belongs in parentheses, looks better, see the updated screenshot.

I also tried to include module name in the metadata nodes but feel free to skip that commit. Done working on this PR until there is feedback to address.

One thought I had: is it possible to get an actual dropdown toolbar button in WPF? Is this only included in some community library?

There is no built-in dropdown button in WPF. I considered creating a control for it (or retemplating combobox) but since the theme and styles are external it didn't seem worth it. We could also just have it as context menu on the normal buttons and that's it.