Added two features to TreeView sample.
Added two features to TreeView sample.

directhex/xwt,hwthomas/xwt,mminns/xwt,akrisiun/xwt,sevoku/xwt,residuum/xwt,mminns/xwt,iainx/xwt,steffenWi/xwt,lytico/xwt,antmicro/xwt,cra0zy/xwt,TheBrainTech/xwt,mono/xwt,hamekoz/xwt