// complex.cs
using System;
public struct Complex
{
public int real;
public int imaginary;
public Complex(int real, int imaginary)
{
this.real = real;
this.imaginary = imaginary;
}
// 声明要重载的运算符 (+)、
// 可相加的类型（两个 Complex 对象）以及
// return type (Complex):
public static Complex operator +(Complex c1, Complex c2)
{
return new Complex
(c1
.real + c2
.real, c1
.imaginary + c2
.imaginary); }
// 重写 ToString 方法，从而以适当的格式显示复数：
public override string ToString()
{
return(String.Format("{0} + {1}i", real, imaginary));
}
public static void Main()
{
Complex num1
= new Complex
(2,
3); Complex num2
= new Complex
(3,
4);
// 通过重载的加号运算符
// 将两个 Complex 对象（num1 和 num2）相加：
Complex sum = num1 + num2;
// 使用重写的 ToString 方法打印数字以及相加得到的和：
Console.WriteLine("First complex number: {0}",num1);
Console.WriteLine("Second complex number: {0}",num2);
Console.WriteLine("The sum of the two numbers: {0}",sum);
}
}
//csharp/4919