add sample for #474
add sample for #474

svendu/oxyplot,shoelzer/oxyplot,Jofta/oxyplot,shoelzer/oxyplot,br111an/oxyplot,as-zhuravlev/oxyplot_wpf_fork,TheAlmightyBob/oxyplot,objorke/oxyplot,HermanEldering/oxyplot,DotNetDoctor/oxyplot,Rustemt/oxyplot,GeertvanHorrik/oxyplot,jeremyiverson/oxyplot,freudenthal/oxyplot,olegtarasov/oxyplot,svendu/oxyplot,TheAlmightyBob/oxyplot,Rustemt/oxyplot,oxyplot/oxyplot,lynxkor/oxyplot,bbqchickenrobot/oxyplot,DotNetDoctor/oxyplot,H2ONaCl/oxyplot,zur003/oxyplot,as-zhuravlev/oxyplot_wpf_fork,jeremyiverson/oxyplot,Sbosanquet/oxyplot,H2ONaCl/oxyplot,Jonarw/oxyplot,svendu/oxyplot,Isolocis/oxyplot,bbqchickenrobot/oxyplot,Rustemt/oxyplot,Kaplas80/oxyplot,as-zhuravlev/oxyplot_wpf_fork,Mitch-Connor/oxyplot,Mitch-Connor/oxyplot,freudenthal/oxyplot,GeertvanHorrik/oxyplot,shoelzer/oxyplot,lynxkor/oxyplot,olegtarasov/oxyplot,Sbosanquet/oxyplot,GeertvanHorrik/oxyplot,br111an/oxyplot,br111an/oxyplot,lynxkor/oxyplot,TheAlmightyBob/oxyplot,Mitch-Connor/oxyplot,Kaplas80/oxyplot,bbqchickenrobot/oxyplot,freudenthal/oxyplot,NilesDavis/oxyplot,objorke/oxyplot,jeremyiverson/oxyplot,H2ONaCl/oxyplot,ze-pequeno/oxyplot,objorke/oxyplot,Sbosanquet/oxyplot,HermanEldering/oxyplot