Fix WPF TextLayoutBackendHandler.GetSize
Fix WPF TextLayoutBackendHandler.GetSize

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