兩個自定義的類別,一般不容許相加,不過咱們能夠重載+號操做符來方便其相加spa
class Program { static void Main(string[] args) { A a = new A(); a.x = 1; B b = new B(); b.y = 2; A c = a + b;//由於重載了加號操做符,因此這裏能夠直接相加 Console.WriteLine(c.x);//4 Console.Read(); } public class A { public int x; public static A operator +(A a, B b) { a.x = a.x + b.y; return a; } } public class B { public int y; } }
若是須要還能夠重載其餘操做符如乘號等code