void RectangleToolStripMenuItem_Click(object sender, EventArgs e)
        {
            AddRectangleForm arf = new AddRectangleForm();

            if (arf.ShowDialog() == DialogResult.OK)
            {
                int a = arf.Result.X;
                int b = arf.Result.Y;

                while (a < arf.Width)
                {
                    Image.Points.Add(new XPoint(a, b, Pens.Black));
                    a++;
                }
                while (b < arf.Height)
                {
                    Image.Points.Add(new XPoint(a, b, Pens.Black));
                    b++;
                }
                a = arf.Result.X;
                b = arf.Result.Y;
                while (b < arf.Height)
                {
                    Image.Points.Add(new XPoint(a, b, Pens.Black));
                    b++;
                }
                while (a < arf.Width)
                {
                    Image.Points.Add(new XPoint(a, b, Pens.Black));
                    a++;
                }
            }
            xImageControl1.LoadImage(Image);
        }
 void RectangleToolStripMenuItem_Click(object sender, EventArgs e)
 {
     AddRectangleForm arf = new AddRectangleForm();
     if (arf.ShowDialog() == DialogResult.OK)
     {
         int a = arf.Result.X;
         int b = arf.Result.Y;
         
         while (a < arf.Width)
         {
             Image.Points.Add(new XPoint(a, b, Pens.Black));
             a++;
         }
         while (b < arf.Height)
         {
             Image.Points.Add(new XPoint(a, b, Pens.Black));
             b++;
         }
         a = arf.Result.X;
         b = arf.Result.Y;
         while (b < arf.Height)
         {
             Image.Points.Add(new XPoint(a, b, Pens.Black));
             b++;
         }
         while (a < arf.Width)
         {
             Image.Points.Add(new XPoint(a, b, Pens.Black));
             a++;
         }
     }
     xImageControl1.LoadImage(Image);
 }