[ColorRectangle, Sticky] Fixed null root refs#4099
Merged
lambertwang-zz merged 5 commits intomicrosoft:masterfrom Feb 27, 2018
Merged
[ColorRectangle, Sticky] Fixed null root refs#4099lambertwang-zz merged 5 commits intomicrosoft:masterfrom
lambertwang-zz merged 5 commits intomicrosoft:masterfrom
