public static AddClass operator +(AddClass op1, AddClass op2) { AddClass obj = new AddClass(); obj.val = op1.val + op2.val; return(obj); }
static void Main(string[] args) { AddClass op1 = new AddClass(); op1.val = 1; AddClass op2 = new AddClass(); op2.val = 2; AddClass op3 = op1 + op2; Console.WriteLine("op1 + op2 = {0}", op3.val); }