鍦–#涓紝EventArgs鏄竴涓€氱敤鐨勪簨浠跺弬鏁扮被锛岀敤浜庝紶閫掍簨浠剁浉鍏崇殑鏁版嵁銆備娇鐢‥ventArgs鐨勬楠ゅ涓嬶細

1. 鍒涘缓涓€涓户鎵胯嚜EventArgs鐨勮嚜瀹氫箟浜嬩欢鍙傛暟绫伙紝渚嬪锛?/li>

public class MyEventArgs : EventArgs
{
public string Message { get; set; }
public MyEventArgs(string message)
{
Message = message;
}
}

2. 鍦ㄥ寘鍚簨浠剁殑绫讳腑瀹氫箟涓€涓簨浠讹紝璇ヤ簨浠朵娇鐢ㄨ嚜瀹氫箟鐨勪簨浠跺弬鏁帮細

public class MyClass
{
public event EventHandler<MyEventArgs> MyEvent;
public void RaiseEvent(string message)
{
MyEventArgs args = new MyEventArgs(message);
OnMyEvent(args);
}
protected virtual void OnMyEvent(MyEventArgs e)
{
MyEvent?.Invoke(this, e);
}
}

3. 鍦ㄨ闃呬簨浠剁殑鍦版柟锛屽畾涔変竴涓簨浠跺鐞嗘柟娉曪細

public class Program
{
public static void Main(string[] args)
{
MyClass obj = new MyClass();
obj.MyEvent += Obj_MyEvent;
obj.RaiseEvent("Hello world");
}
private static void Obj_MyEvent(object sender, MyEventArgs e)
{
Console.WriteLine(e.Message);
}
}

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娉ㄦ剰锛氬湪瀹氫箟浜嬩欢鏃讹紝浣跨敤娉涘瀷濮旀墭EventHandler锛屽叾涓璗EventArgs鏄嚜瀹氫箟鐨勪簨浠跺弬鏁扮被鍨嬨€傚湪瑙﹀彂浜嬩欢鏃讹紝浣跨敤EventArgs鐨勫瓙绫诲璞℃潵浣滀负鍙傛暟銆?/p>