C#自定义事件
绑定事件Evt.OnInput -= On_Input; //解绑事件在事件处理中设置参数,决定是否退出监听输入://事件参数定义class MyEventArgs : EventArgs{ public MyEventArgs(string s) { InputString = s; } public string InputString { get; private set; } public bool Cancel { get; set; }}//事件class MyEvent{ public event EventHandler<MyEventArgs> On