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Question by homer_3 · Jun 02, 2016 at 12:00 AM · c#eventsystemeventsevent triggering

How to set passed param to event trigger callback in script?

I'm trying to dynamically add event trigger to some UI elements. In the inspector, I can specify a passed parameter to the callback function. But I don't see how to do that in code. So far what I have is

 EventTrigger evTrigger = fileLabel.AddComponent<EventTrigger>();
 EventTrigger.Entry entry = new EventTrigger.Entry();
 entry.eventID = EventTriggerType.PointerEnter;
 UnityAction<BaseEventData> cb = new UnityAction<BaseEventData>(inputModule.GetComponent<ViveControllerInput>().PointerEnter(uiText)); //compile error here
 entry.callback.AddListener(cb);
 evTrigger.triggers.Add(entry);
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Answer by homer_3 · Jun 03, 2016 at 11:30 PM

I found out this needs to be done using lambda expressions. So I just replaced entry.callback.AddListener(cb); with entry.callback.AddListener((eventData)=>inputModule.GetComponent().PointerEnter(uiText));

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