C#用匿名方法添加事件的问题
《C#高级编程》中有个例子添加事件时用匿名方法:   
 btnOne.Click   +=   new   EventHandler(lblInfo.Text   =    "button1   was   pressed. ";);   
 调试时提示错误: 
 错误	1	应输入   )	 
 错误	2	无效的表达式项“)”   
 请问这是为什么啊
------解决方案--------------------这才是正确的匿名方法方式:   
 btnOne.Click += new EventHandler(delegate(object sender,EventArgs e){lblInfo.Text =  "button1 was pressed. ";});   
 //EventHandler委托原型的参数列表必须为:(object sender,EventArgs e)