C# - System.Action

 .net 内置的一种委托

using System;
private Action m_Action;
m_Action = Func1;
m_Action += Func1;
m_Action += Func2;
 
m_Action?.invoke()
 
//获取委托中的Action列表
var actionList = m_Action.getInvocationList();
 
//委托中是否存在指定的Action
var isExit = Array.IndexOf(actionList,(Action)Func1);
var isExit = Array.IndexOf(actionList,(Action)Func2);
 
 
void Func1(){}
 
voi Func2(){}