I recorded test with recorder for Silverlight elements. It successfully passed. But if I try to "Edit Element" from Element Explorer element can't be found by Telerik.
Following find string was used by Recorder
http://screencast.com/t/Ehr8deZDc
http://screencast.com/t/3kg0KXur
Following find string was used by Recorder
XamlTag=stackpanel,name=WonOppPanel,|,XamlPath=/grid[2]/complexmoneytextblock[0]/textblock[automationid=MainTextBlock]
http://screencast.com/t/3kg0KXur