public static OperatorOverloadingcs operator+(OperatorOverloadingcs o1, OperatorOverloadingcs o2)
{
OperatorOverloadingcs o = new OperatorOverloadingcs();
o.x = o1.x - o2.x;
return(o);
}
static void Main()
{
OperatorOverloadingcs obj1 = new OperatorOverloadingcs(10);
OperatorOverloadingcs obj2 = new OperatorOverloadingcs(20);
OperatorOverloadingcs obj3 = obj1 + obj2;
Console.WriteLine(obj3.ToString());
Console.ReadKey();
}