Hide wpf popup when click on a Winform control

I开发者_运维百科 have an ElementHost object in a WinForm dialog. This elementhosts child is a Popup. I want to hide or close the Popup when the user clicks anywhere. I can do it when the click happened in the Popup. How to close it when the user clicks outside the popup, on a WinForm control?

Did you try StaysOpen=false?