Csharp/C Sharp by API/System.Drawing/Rectangle

new Rectangle(int x, int y, int width, int height)

<source lang="csharp"> using System; using System.Drawing; class MainClass {

 public static int Main(string[] args)
 {
   Rectangle r1 = new Rectangle(0, 0, 100, 100);
   Point pt3 = new Point(101, 101);
   if(r1.Contains(pt3))
     Console.WriteLine("Point is within the rect!");
   else
     Console.WriteLine("Point is not within the rect!");
 
   return 0;
 }

}

 </source>

Rectangle.Contains

<source lang="csharp"> using System; using System.Drawing;

class Program {

   static void Main(string[] args) {
       Rectangle r1 = new Rectangle(0, 0, 100, 100);
       Point pt3 = new Point(101, 101);
       if (r1.Contains(pt3))
           Console.WriteLine("Point is within the rect!");
       else
           Console.WriteLine("Point is not within the rect!");
       // Now place point in rectangle"s area.
       pt3.X = 50;
       pt3.Y = 30;
       if (r1.Contains(pt3))
           Console.WriteLine("Point is within the rect!");
       else
           Console.WriteLine("Point is not within the rect!");
   }

}

 </source>