Resolved Combine uGUI & UI Toolkit

Hello,
I had to combine old uGUI interface & new UI Toolkit dialogs, but meet the problem:
All mouse event go to uGUI elements and UI Toolkit gets mouse event only if no uGUI elements behind it (Rendering order is ok).
I wonder how to put UI Toolkit "in front" of uGUI Canvas in terms of mouse event processing ?

 

I tried Screen Space Overlay & Screen Space Camera - both don't work.
Temporary I found solution - disable Graphic Raycaster component of Canvas object when show UI Toolkit dialog and enable back when close dialog. But I expect more elegant solution.

 

Yes I tried. Originally Canvas & UIDocument objects had UI Layer & Order == 0.
Setting UIDocument Order to 1 (or 2, 3,...) didn't help.
And what I also found:
- If Canvas Order == 0 and UIDocuments Order > 0 all mouse events go to Canvas and UIDocuments rendered in front of canvas
- If Canvas Order > 0 and UIDocuments Order > 0 all mouse events go to Canvas and UIDocuments rendered behind canvas even UIDocuments Order > Canvas Order!

Looks like Order of UIDocuments doesn't matter ! It always use 0 Order.

But after your mail I decided to check one stupid idea - if we can't change Order for UIDocument from 0 may be Canvas Order == -1 help. So I set it to -1 and it WORKS!

So thank you very much for your reply.
And, please ask developers to fix that bug/"feature" with UIDocument to enable Sort Order management.