Legacy Documentation: Version 2018.2 (Go to current version)
  • C#
Experimental: this API is experimental and might be changed or removed in the future.


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public void RegisterCallback(EventCallback<TEventType> callback, Experimental.UIElements.Capture useCapture);
public void RegisterCallback(EventCallback<TEventType,TUserArgsType> callback, TUserArgsType userArgs, Experimental.UIElements.Capture useCapture);


callbackThe event handler to add.
useCaptureBy default the callback will be called during the bubbling phase. Pass Capture.Capture to have the callback called during the capture phase instead.
userArgsData to pass to the callback.


Add an event handler on the instance. If the handler has already been registered on the same phase (capture or bubbling), this will have no effect.

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