[NUI][API9] Set null if callback removed
authorEunki, Hong <eunkiki.hong@samsung.com>
Wed, 8 Dec 2021 05:37:52 +0000 (14:37 +0900)
committerdongsug-song <35130733+dongsug-song@users.noreply.github.com>
Wed, 8 Dec 2021 05:52:55 +0000 (14:52 +0900)
commit31df6bf51658025dd968227e12e791ce184704f8
treee38292ddaa7b0bd071059436a3caae6ae55f5d53
parentb9de42dc92f0715329fa46cedba72b3de6b05d82
[NUI][API9] Set null if callback removed

When signal disconnected and signal become empty, let callback as null.

Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>
src/Tizen.NUI/src/public/BaseComponents/ViewEvent.cs
src/Tizen.NUI/src/public/Window/WindowEvent.cs