Feat/support without passing through the handler when calling off#974

kkxxkk2019 merged 3 commits intodev/1.4.0VisActor/VChart:dev/1.4.0from

feat/support-without-passing-through-the-handler-when-calling-offVisActor/VChart:feat/support-without-passing-through-the-handler-when-calling-offCopy head branch name to clipboard