public static ThreeD operator +(ThreeD ob1, ThreeD ob2)
{
ThreeD result = new ThreeD();
result.x = ob1.x + ob2.x;
result.y = ob1.y + ob2.y;
return(result);
}
static void Main(string[] args)
{
ThreeD th1 = new ThreeD(1, 2, 3);
ThreeD th2 = new ThreeD(4, 5, 6);
ThreeD th3 = new ThreeD();
ThreeD th4 = th1 + th2;
if (th1 || th2)
{
Console.WriteLine("th1 || th2");
}
if (!th3)
{
Console.WriteLine("th3 - false");
}
Console.ReadLine();
}
