Raise event c# gives error: No overload matches delegate EventHandler
问题 I am trying to make an event that gets raised when something happens. So other classes that contain a reference to the class that raised the event get notified. This is what i have got so far: using System; using System.Collections; using System.Collections.Generic; using UnityEngine; public class DropArea : MonoBehaviour { public event EventHandler ObjectChange; void Start () { } // Update is called once per frame void Update () { } void OnTriggerEnter(Collider other) { var correctType =