public static void Main(string[] args)
{
int x = 5;
int y = x;
x = 6;
PointRef pr = new PointRef(2, 3);
PointRef pr1 = new PointRef(2, 3);
PointRef pr2 = pr.Add(pr1);
PointRef pr3 = pr2.Add(pr1);
PointRef pr4 = pr3;
Console.WriteLine(Object.ReferenceEquals(pr3, pr4));
ChangeAndShow(pr);
Console.WriteLine("Ouside ChangeAndShow: " + pr.X);
PointValue pv = new PointValue(4, 5);
ChangeAndShow(pv);
Console.WriteLine("Ouside ChangeAndShow: " + pv.X);
PointValue pv1 = pv;
Console.WriteLine(Object.ReferenceEquals(pv1, pv));
Console.WriteLine(Object.ReferenceEquals(pv, pv));
}
public PointRef Add(PointRef p)
{
return(new PointRef(this.X + p.X, this.Y + p.Y));
}
static void ChangeAndShow(PointRef p)
{
p.X++;
Console.WriteLine("Inside ChangeAndShow: " + p.X);
}