WPF Control hosted in Windows Forms SplitContainer

I have WPF control placed on Windows Forms SplitContainer with ElementHost. When I dragged th开发者_如何转开发e splitter, I got unpleasant artifacts on place of my WPF control. How can I manage with that trouble.

In my experience hosting WPF controls in a ElementHost is never perfect and always produces some rendering issues. There's some discussion on a few workarounds here that might help.