Import basic error handling code from cefclient example (only added to WPF example for now)
Import basic error handling code from cefclient example (only added to WPF example for now)

haozhouxu/CefSharp,haozhouxu/CefSharp,illfang/CefSharp,joshvera/CefSharp,wangzheng888520/CefSharp,gregmartinhtc/CefSharp,Livit/CefSharp,yoder/CefSharp,windygu/CefSharp,ruisebastiao/CefSharp,jamespearce2006/CefSharp,dga711/CefSharp,jamespearce2006/CefSharp,joshvera/CefSharp,twxstar/CefSharp,Haraguroicha/CefSharp,gregmartinhtc/CefSharp,yoder/CefSharp,battewr/CefSharp,rlmcneary2/CefSharp,jamespearce2006/CefSharp,windygu/CefSharp,zhangjingpu/CefSharp,NumbersInternational/CefSharp,ITGlobal/CefSharp,AJDev77/CefSharp,Haraguroicha/CefSharp,twxstar/CefSharp,AJDev77/CefSharp,wangzheng888520/CefSharp,battewr/CefSharp,VioletLife/CefSharp,illfang/CefSharp,Livit/CefSharp,rlmcneary2/CefSharp,battewr/CefSharp,jamespearce2006/CefSharp,dga711/CefSharp,haozhouxu/CefSharp,VioletLife/CefSharp,VioletLife/CefSharp,gregmartinhtc/CefSharp,ITGlobal/CefSharp,joshvera/CefSharp,ITGlobal/CefSharp,jamespearce2006/CefSharp,zhangjingpu/CefSharp,dga711/CefSharp,yoder/CefSharp,zhangjingpu/CefSharp,ruisebastiao/CefSharp,Haraguroicha/CefSharp,illfang/CefSharp,battewr/CefSharp,windygu/CefSharp,ITGlobal/CefSharp,AJDev77/CefSharp,yoder/CefSharp,VioletLife/CefSharp,twxstar/CefSharp,ruisebastiao/CefSharp,windygu/CefSharp,NumbersInternational/CefSharp,AJDev77/CefSharp,joshvera/CefSharp,ruisebastiao/CefSharp,dga711/CefSharp,NumbersInternational/CefSharp,wangzheng888520/CefSharp,gregmartinhtc/CefSharp,rlmcneary2/CefSharp,Haraguroicha/CefSharp,rlmcneary2/CefSharp,Livit/CefSharp,Haraguroicha/CefSharp,NumbersInternational/CefSharp,Livit/CefSharp,zhangjingpu/CefSharp,wangzheng888520/CefSharp,illfang/CefSharp,haozhouxu/CefSharp,twxstar/CefSharp