prevent rendering from display snapshot if the graphics device is already closed
prevent rendering from display snapshot if the graphics device is already closed

piersharding/rstudio,piersharding/rstudio,tbarrongh/rstudio,jzhu8803/rstudio,jar1karp/rstudio,JanMarvin/rstudio,piersharding/rstudio,suribes/rstudio,tbarrongh/rstudio,pssguy/rstudio,jrnold/rstudio,more1/rstudio,githubfun/rstudio,nvoron23/rstudio,more1/rstudio,tbarrongh/rstudio,jar1karp/rstudio,jrnold/rstudio,nvoron23/rstudio,thklaus/rstudio,jzhu8803/rstudio,tbarrongh/rstudio,pssguy/rstudio,edrogers/rstudio,jrnold/rstudio,githubfun/rstudio,piersharding/rstudio,jar1karp/rstudio,vbelakov/rstudio,maligulzar/Rstudio-instrumented,maligulzar/Rstudio-instrumented,piersharding/rstudio,suribes/rstudio,john-r-mcpherson/rstudio,JanMarvin/rstudio,brsimioni/rstudio,edrogers/rstudio,sfloresm/rstudio,suribes/rstudio,piersharding/rstudio,vbelakov/rstudio,suribes/rstudio,jrnold/rstudio,john-r-mcpherson/rstudio,vbelakov/rstudio,john-r-mcpherson/rstudio,thklaus/rstudio,brsimioni/rstudio,brsimioni/rstudio,nvoron23/rstudio,jar1karp/rstudio,jzhu8803/rstudio,jzhu8803/rstudio,pssguy/rstudio,vbelakov/rstudio,jrnold/rstudio,piersharding/rstudio,nvoron23/rstudio,more1/rstudio,more1/rstudio,vbelakov/rstudio,thklaus/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,sfloresm/rstudio,brsimioni/rstudio,vbelakov/rstudio,maligulzar/Rstudio-instrumented,jrnold/rstudio,maligulzar/Rstudio-instrumented,more1/rstudio,edrogers/rstudio,john-r-mcpherson/rstudio,edrogers/rstudio,pssguy/rstudio,jrnold/rstudio,jzhu8803/rstudio,john-r-mcpherson/rstudio,jar1karp/rstudio,jar1karp/rstudio,JanMarvin/rstudio,githubfun/rstudio,tbarrongh/rstudio,suribes/rstudio,piersharding/rstudio,pssguy/rstudio,more1/rstudio,nvoron23/rstudio,githubfun/rstudio,suribes/rstudio,maligulzar/Rstudio-instrumented,vbelakov/rstudio,pssguy/rstudio,JanMarvin/rstudio,maligulzar/Rstudio-instrumented,suribes/rstudio,nvoron23/rstudio,more1/rstudio,jar1karp/rstudio,jar1karp/rstudio,tbarrongh/rstudio,sfloresm/rstudio,vbelakov/rstudio,jzhu8803/rstudio,githubfun/rstudio,tbarrongh/rstudio,brsimioni/rstudio,thklaus/rstudio,edrogers/rstudio,jzhu8803/rstudio,brsimioni/rstudio,githubfun/rstudio,jrnold/rstudio,edrogers/rstudio,more1/rstudio,jrnold/rstudio,thklaus/rstudio,edrogers/rstudio,jzhu8803/rstudio,JanMarvin/rstudio,john-r-mcpherson/rstudio,JanMarvin/rstudio,jar1karp/rstudio,edrogers/rstudio,maligulzar/Rstudio-instrumented,sfloresm/rstudio,john-r-mcpherson/rstudio,suribes/rstudio,githubfun/rstudio,maligulzar/Rstudio-instrumented,thklaus/rstudio,sfloresm/rstudio,nvoron23/rstudio,tbarrongh/rstudio,john-r-mcpherson/rstudio,brsimioni/rstudio,piersharding/rstudio,brsimioni/rstudio,pssguy/rstudio,thklaus/rstudio,sfloresm/rstudio,thklaus/rstudio,githubfun/rstudio,JanMarvin/rstudio,maligulzar/Rstudio-instrumented,pssguy/rstudio,sfloresm/rstudio,sfloresm/rstudio