Extra properties that can be used in CallbackEventHandler.RegisterCallback{TEvent}(TEvent, UnityEngine.UIElements.CallbackOptions).
| Property | Description |
|---|---|
| Default | No option enabled. |
| TrickleDown | Callback reacts during the TrickleDown phase. If not set, callback reacts during the BubbleUp phase. |
| IncludeDisabled | Callback executes on disabled target even if the event has EventBase.ignoreDisabledElements. |
| Once | Callback is unregistered automatically after being successfully executed. |
| Removable | Callback can be unregistered with CallbackEventHandler.UnregisterAllRemovableCallbacks. |