class Pyramid
    {
        // declaration
        private double length;
        private double width;
        private double height;
        private double volume;
        private double sides = 4;
        private double sideheight;
        private double area;
        private double edgeheight;
 
        #region constructors
 
        public Pyramid()
        {
            Pyramid(1,1,1,4,null);
        }
 
        public Pyramid(double a_length, double a_height, double a_sides)
        {
            Pyramid(a_length, a_length, a_height, a_sides, null);
        }
 
        public Pyramid(double a_length, double a_width, double a_height, double _
          a_sides)
        {
            // _
              *****************************************************************_
              ******************************
            // Function:         instance class
            // Input:            no
            // Output:           no
            // Receipt:          no
            // Changedate:       29.July 2007
            // _
              *****************************************************************_
              ******************************
 
            this.length = a_length;
            this.width= a_width;
            this.height = a_height;
            this.sides = a_sides;
            this.edgeheight = a_edgeheight;
 
            CalcPyramid();
        }
 
        #endregion
 
       //.........

fg viperbone