How I can change listener via script?

Question

I have a script what creates a buttons and add listener to every button. But if I make whats like this:

  using UnityEngine;
  using UnityEngine.UI;
  using System.Collections;
  
  public class Example : MonoBehaviour
  {
      public Button ExampleButton;
  
      void Awake()
      {
          ExampleButton.onClick.AddListener(ExampleMethod(5));
      }
 
      void ExampleMethod(int a)
      {
          Debug.Log(a);
      }
  }

It`s doesn`t work... How I can dynamicaly change OnClick function on my button, and how I can call methods/functions with some parameters with this button?

Answer 1

Best Answer

Answer by ShadyProductions · Sep 05, 2020 at 11:43 AM

 ExampleButton.onClick.AddListener(() => ExampleMethod(5));

or for adding/removing:

  UnityAction UA;
  UA = new UnityAction(() => ExampleMethod(5));
  ExampleButton.onClick.AddListener(UA);
  ExampleButton.onClick.RemoveListener(UA);

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How I can change listener via script?

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