程式設計工藝大師&紅綠燈 @ trylove0718的部落格

紅綠燈

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 WindowsFormsApplication1
{
public partial class Form1 : Form
{
int c = 0, d = 0;
public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
c = c + 1;
d = c % 3;
button1.Text = c.ToString();

}

private void timer1_Tick(object sender, EventArgs e)
{
c = c + 1;
d = c % 3;
button1.Text = c.ToString();
if (d == 1)
{
button1.BackColor = System.Drawing.Color.FromName("Green");
}
else
{
button1.BackColor = System.Drawing.Color.FromName("Black");
}

if (d == 2)
{
button2.BackColor = System.Drawing.Color.FromName("Yellow");
}
else
{
button2.BackColor = System.Drawing.Color.FromName("Black");
}

if (d == 0)
{
button3.BackColor = System.Drawing.Color.FromName("Red");
}
else
{
button3.BackColor = System.Drawing.Color.FromName("Black");
}
}
}
}