Custom StyleSelector not working in TreeView Control

[elvisxia]

I have a basic TreeView Control and Applied a Custom StyleSelector to the TreeView Control.
But it seems the override method SelectStyleCore never get called.

I tried it with ListView. SelectStyleCore get called correctly.

What have I done wrong? Or maybe it's a bug?
You can find my demo here
@xyzzer

[corcus]

I am having the same problem. It would be good to have an answer on this.

[xyzzer]

I answered the StackOverflow question about it here http://stackoverflow.com/questions/38243593/winrtxamltoolkit-treeview-itemcontainerstyleselector-not-firing/38549298#38549298

In short - I think it's not implemented, but there is a suggested way to fix it or work around the problem.