Csharp/C Sharp by API/System/ArgumentException

new ArgumentException()

<source lang="csharp"> using System; using System.Collections.Generic; using System.Text; public struct Point : IComparable {

   private int x, y;
   public Point(int xPos, int yPos) {
       x = xPos;
       y = yPos;
   }
   public static Point operator +(Point p1, Point p2) { return new Point(p1.x + p2.x, p1.y + p2.y); }
   public static Point operator -(Point p1, Point p2) { return new Point(p1.x - p2.x, p1.y - p2.y); }
   public static bool operator ==(Point p1, Point p2) { return p1.Equals(p2); }
   public static bool operator !=(Point p1, Point p2) { return !p1.Equals(p2); }
   public static bool operator <(Point p1, Point p2) { return (p1.rupareTo(p2) < 0); }
   public static bool operator >(Point p1, Point p2) { return (p1.rupareTo(p2) > 0); }
   public static bool operator <=(Point p1, Point p2) { return (p1.rupareTo(p2) <= 0); }
   public static bool operator >=(Point p1, Point p2) { return (p1.rupareTo(p2) >= 0); }
   public static Point operator ++(Point p1) { return new Point(p1.x + 1, p1.y + 1); }
   public static Point operator --(Point p1) { return new Point(p1.x - 1, p1.y - 1); }
   public override bool Equals(object o) {
       if (o is Point) {
           if (((Point)o).x == this.x &&
               ((Point)o).y == this.y)
               return true;
       }
       return false;
   }
   public override int GetHashCode() { return this.ToString().GetHashCode(); }
   public override string ToString() {
       return string.Format("[{0}, {1}]", this.x, this.y);
   }
   public int CompareTo(object obj) {
       if (obj is Point) {
           Point p = (Point)obj;
           if (this.x > p.x && this.y > p.y)
               return 1;
           if (this.x < p.x && this.y < p.y)
               return -1;
           else
               return 0;
       } else
           throw new ArgumentException();
   }
   public static Point Add(Point p1, Point p2) { return p1 + p2; }
   public static Point Subtract(Point p1, Point p2) { return p1 - p2; }

} class Program {

   static void Main(string[] args) {
       Point ptOne = new Point(100, 100);
       Point ptTwo = new Point(40, 40);
       Console.WriteLine("ptOne = {0}", ptOne);
       Console.WriteLine("ptTwo = {0}", ptTwo);
       Console.WriteLine("ptOne + ptTwo: {0} ", ptOne + ptTwo);
       Console.WriteLine("Point.Add(ptOne, ptTwo): {0} ", Point.Add(ptOne, ptTwo));
       Console.WriteLine("ptOne - ptTwo: {0} ", ptOne - ptTwo);
       Console.WriteLine("Point.Subtract(ptOne, ptTwo): {0} ", Point.Subtract(ptOne, ptTwo));
       Point ptThree = new Point(90, 5);
       Console.WriteLine("ptThree = {0}", ptThree);
       Console.WriteLine("ptThree += ptTwo: {0}", ptThree += ptTwo);
       Point ptFour = new Point(0, 500);
       Console.WriteLine("ptFour = {0}", ptFour);
       Console.WriteLine("ptFour -= ptThree: {0}", ptFour -= ptThree);
       Point ptFive = new Point(10, 10);
       Console.WriteLine("ptFive = {0}", ptFive);
       Console.WriteLine("++ptFive = {0}", ++ptFive);
       Console.WriteLine("--ptFive = {0}", --ptFive);
       Console.WriteLine("ptOne == ptTwo : {0}", ptOne == ptTwo);
       Console.WriteLine("ptOne != ptTwo : {0}", ptOne != ptTwo);
       Console.WriteLine("ptOne < ptTwo : {0}", ptOne < ptTwo);
       Console.WriteLine("ptOne > ptTwo : {0}", ptOne > ptTwo);
   }

}

 </source>