using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Collections;
 
namespace Exercise13
{
    public partial class FrmCalculateAverageScore : Form
    {
 
        ArrayList StoreValueOfScores = new ArrayList();
        int Numberofscores;
        int TotalOfScore;
        int i;
        int ValueScore;
        bool DTrueOrFalse;
        public FrmCalculateAverageScore()
        {
            InitializeComponent();
        }
 
        private void BtnCalculate_Click(object sender, EventArgs e)
        {
 
            int AverageScore;
            DTrueOrFalse = false;
 
            try
            {
                ValueScore = int.Parse(TbValueOfScore.Text);
 
            }
            catch (FormatException)
            {
                MessageBox.Show("Enter a number into Score Below 101");
                TbValueOfScore.Clear();
                TbValueOfScore.Focus();
                DTrueOrFalse = true;
            }
            catch (OverflowException)
            {
                MessageBox.Show("Enter a number into Score Below 101");
                TbValueOfScore.Clear();
                TbValueOfScore.Focus();
                DTrueOrFalse = true;
 
            }
            if (ValueScore > 101)
            {
                DTrueOrFalse = true;
                MessageBox.Show("Enter a number into Score Below 101");
                TbValueOfScore.Clear();
                TbValueOfScore.Focus();
            }
            if (ValueScore < 0)
            {
                DTrueOrFalse = true;
                MessageBox.Show("Enter a number into score Above 0");
                TbValueOfScore.Clear();
                TbValueOfScore.Focus();
            }
 
 
            if (DTrueOrFalse == false)
            {
                Numberofscores = Numberofscores + 1;
                LblNumberOfScores.Text = Numberofscores.ToString();
                StoreValueOfScores.Add(ValueScore);
                TbValueOfScore.Clear();
                TbValueOfScore.Focus();
 
                for (int i = 0; i < StoreValueOfScores.Count; i++)
                {
                    TotalOfScore = TotalOfScore + ValueScore;
                    LblScoreTotal.Text = TotalOfScore.ToString();
                    AverageScore = TotalOfScore / Numberofscores;
                    LblAverageScore.Text = AverageScore.ToString();
                }
            }
        }
 
        private void BtnExit_Click(object sender, EventArgs e)
        {
            Close();
        }
 
        private void BtnClear_Click(object sender, EventArgs e)
        {
            for (i = 0; i < StoreValueOfScores.Count; i++)
            {
                StoreValueOfScores.Remove(ValueScore);
                LblNumberOfScores.Text = 0.ToString();
                LblAverageScore.Text = 0.ToString();
                TbValueOfScore.Focus();
                LblScoreTotal.Text = 0.ToString();
                Numberofscores = 0;
                TotalOfScore = 0;
                ValueScore = 0;
            }
        }
 
        private void BtnDisplay_Click(object sender, EventArgs e)
        {
 
            for (i = 0; i < StoreValueOfScores.Count; i++)
            {
 
 
MessageBox.Show(StoreValueOfScores[i].ToString());
 
            }
 
        }
    }
}
 
//Code Written By S Barratt

namespace Exercise13
{
    public partial class FrmCalculateAverageScore : Form
    {
         public FrmCalculateAverageScore()
        {
            InitializeComponent();
            this.button1.KeyPress+=new KeyPressEventHandler(button1_KeyPress);
        }

                ArrayList ary = new ArrayList();
                ary.Add("one");
                ary.Add("two");
                ary.Add("three");
                string s = string.Format("{0}\r\n{1}\r\n{2}\r\n", ary.ToArray());
                MessageBox.Show("My ArrayList contains:\r\n\r\n" + s);

                string s2 = string.Empty;
                foreach (object oString in ary)
                    s2 += (string)oString + "\r\n";
                MessageBox.Show("My ArrayList contains:\r\n\r\n" + s);