static void Main(string[] args)
{
/**********Structure**********/
PointS one1 = new PointS(12, 8);
PointS two = Reverse(ref one1);
Console.WriteLine($"one.X = {one1.X} one.Y={one1.Y}");
Console.WriteLine($"two.X = {two.X} one.Y={two.Y}");
PointS[] arr = new PointS[50];
Console.WriteLine($"arr[0].X={arr[0].X} arr[0].Y={arr[0].Y} typeof(arr[0])={arr[0].X.GetType()}");
PointS three = new PointS();
three.Y = 2.34;
Console.WriteLine($"three.X={three.X} three.Y={three.Y}");
PointS four;
four = three;
Console.WriteLine($"four.X={four.X} four.Y={four.Y}");
MyObject obj = new MyObject
{
X = 10,
Y = 5
};
Console.WriteLine(obj.ToString());
lesson2.Method1();
}
static PointS Reverse(ref PointS dot)
{
dot.X = -dot.X;
dot.Y = -dot.Y;
return(dot);
}
