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Question by jamesmunro · Jul 12, 2017 at 03:38 PM · uimonobehaviourevents

Call AddListener on sibling components from MonoBehaviour.Reset

I am investigating options for moving away from the default Unity drag-and-drop editor event assignment.

I want to create a simple script that remaps the UnityEvent OnClick for a Button to my own C# OnClick event. To do this I was hoping to be able to use MonoBehaviour.Reset to control mapping the editor-style UnityEvents to my default C# style events but I cannot get it to work.

Is it even possible to use MonoBehaviour.Reset to modify events on sibling components?

     [RequireComponent(typeof(Button))]
     public class ButtonEventAdapter : MonoBehaviour {
 
         private Button button;
 
         public delegate void UserInterfaceDelegate ();
         public event UserInterfaceDelegate ClickedEvent;
 
         private void Awake () {
 
             button = GetComponent<Button> ();
         }
 
         private void Reset () {
 
             button = GetComponent<Button> ();
 
             //this does not work
             button.onClick.RemoveAllListeners ();
             button.onClick.AddListener (() => OnClick ()); 
         }
 
         public void OnClick () {
 
             if (ClickedEvent != null)
                 ClickedEvent ();
         }
     }

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