红狐

摘要： 代码很简单，就不多做解释了 1 //定义一委托 2 public delegate int OperationDelegate(int x,int y); 3 public class Operator 4 { 5 private int _x, _y; 6 public Operator(int x, int y) 7 { 8 this._x = x; 9 this._y = y;10 }11 12 public void Operate(Op... 阅读全文