[NUI] check layout owner is null when removing childLayout (#1473)
authorneostom432 <31119276+neostom432@users.noreply.github.com>
Wed, 18 Mar 2020 04:03:06 +0000 (13:03 +0900)
committerGitHub <noreply@github.com>
Wed, 18 Mar 2020 04:03:06 +0000 (13:03 +0900)
commit23476199313917a63f8a0ac190e6fdc99f0aad0e
tree89d39d1bf1d11a287e85913137ccefc333d04340
parente01e6358096b7f0c576969718b0e75062ea16c0b
[NUI] check layout owner is null when removing childLayout (#1473)

If layout owner is null, cannot remove owner from it's parent.
Check owner is null.
src/Tizen.NUI/src/public/Layouting/LayoutGroup.cs