CPE263 Week 12

Week 12

Traffic lights

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Timer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private string trafLamp;

        private void lampOff()
        {
            btnRed.BackColor = Color.FromName("white");
            btnGreen.BackColor = Color.FromName("white");
            btnYellow.BackColor = Color.FromName("white");
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            lampOff();
            switch (trafLamp)
            {
                case "red":
                    btnGreen.BackColor = Color.Green;
                    timer1.Interval = Convert.ToInt16(numGreen.Value) * 1000;
                    trafLamp = "green";
                    break;
                case "green":
                    btnYellow.BackColor = Color.Yellow;
                    timer1.Interval = Convert.ToInt16(numYellow.Value) * 1000;
                    trafLamp = "yellow";
                    break;
                case "yellow":
                    btnRed.BackColor = Color.Red;
                    timer1.Interval = Convert.ToInt16(numRed.Value) * 1000;
                    trafLamp = "red";
                    break;
            }
        }

        private void radOn_CheckedChanged(object sender, EventArgs e)
        {
            if (radOn.Checked)
            {
                trafLamp = "yellow";
                timer1.Interval = 1;
                timer1.Start();
            }
            else
            {
                lampOff();
                timer1.Stop();
            }
        }
    }

}

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Count Down

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Classwork
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private int count = 0;

        private void timer3_Tick(object sender, EventArgs e)
        {
            if (count > 0)
            {
                count--;
                btnCountDown.Text = count.ToString();
            }
            else
            {
                timer3.Stop();
            }
        }

        private void btnCountDown_Click(object sender, EventArgs e)
        {
            count = Convert.ToInt16(txtnum.Text);
            btnCountDown.Text = count.ToString();
            timer3.Interval = 1000;
            timer3.Start();
        }


        private char[] text = null;
        private int i = 0;

        private void timer2_Tick(object sender, EventArgs e)
        {
                if (i < text.Length)
                {
                    lblin.Text += text[i].ToString();
                    i++;
                }
                else
                {
                    timer2.Stop();
                }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            text = lblin.Text.ToCharArray();
            lblin.Text = "";
            timer2.Interval = 1000;
            timer2.Start();
        }

    }
}

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