为什么会出现parameters do not match delegate？

Question

if(t.name.CompareTo("btn_try")==0){m_btn_try=t.GetComponent<Button>();m_btn_try.onClick.AddListener(OnButRetry);m_btn_try.gameObject.SetActive(false);}........void OnButRetry(GameObject go){Application.LoadLevel (Application.loadedLevelName);}然后就出现Assets/Scripts/GameManager.cs(59,51): error CS0123: A method or delegate `GameManager.OnButRetry(UnityEngine.GameObject)' parameters do not match delegate `UnityEngine.Events.UnityAction()' parameters

Answer 1

Unity3D 吧？ 

错误原因是“委托参数不匹配”。

在 4.6 之前，Button.onClick.AddListener() 只能绑定没有参数的函数，例如：

btn.onClick.AddListener(onBtnClick);    void onBtnClick()  {      //}

4.6 之后允许匿名委托：

GameObject btnObj;btn.onClick.AddListener(delegate() {      onBtnClick(btnObj);  });   void onBtnClick(GameObject sender)  {    // }