* Form2.cs
{{{
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace DevilsCamp
{
    public partial class Form2 : Form
    {
        private Time time = new Time();
        public Form2()
        {
            InitializeComponent();
        }

        private void startBtn_Click(object sender, EventArgs e)
        {
            if (!timer1.Enabled)
            {
                timer1.Enabled = true;
                startBtn.Text = "Pause";
            }
            else
            {
                timer1.Enabled = false;
                startBtn.Text = "Start";
            }
        }

        private class Time
        {
            public int hour;
            public int minute;
            public int second;
            public int milli;

            public void tick()
            {
                tickMilli();
            }

            private void tickMilli()
            {
                if (++milli == 10)
                {
                    milli = 0;
                    tickSecond();
                }
            }

            private void tickSecond()
            {
                if (++second == 60)
                {
                    second = 0;
                    tickMinute();
                }
            }

            private void tickMinute()
            {
                if (++minute == 60)
                {
                    minute = 0;
                    tickHour();
                }
            }

            private void tickHour()
            {
                hour++;
            }
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            time.tick();
            display();
        }

        private void display() {
            hour.Text = string.Format("{0:D2}", time.hour);
            minute.Text = string.Format("{0:D2}", time.minute);
            second.Text = string.Format("{0:D2}", time.second);
            milli.Text = string.Format("{0}", time.milli);
        }

        private void stopBtn_Click(object sender, EventArgs e)
        {
            time = new Time();
            timer1.Enabled = false;
            display();
            listBox1.Items.Clear();
        }

        private void recordBtn_Click(object sender, EventArgs e)
        {
            listBox1.Items.Add(string.Format("{0:D2}:{1:D2}:{2:D2}.{3}", time.hour, time.minute, time.second, time.milli));
        }

    }
}

}}}

 * Form2.Desiner.cs
{{{
namespace DevilsCamp
{
    partial class Form2
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            this.startBtn = new System.Windows.Forms.Button();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.hour = new System.Windows.Forms.Label();
            this.minute = new System.Windows.Forms.Label();
            this.second = new System.Windows.Forms.Label();
            this.milli = new System.Windows.Forms.Label();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.label3 = new System.Windows.Forms.Label();
            this.stopBtn = new System.Windows.Forms.Button();
            this.recordBtn = new System.Windows.Forms.Button();
            this.listBox1 = new System.Windows.Forms.ListBox();
            this.SuspendLayout();
            // 
            // startBtn
            // 
            this.startBtn.Location = new System.Drawing.Point(34, 82);
            this.startBtn.Name = "startBtn";
            this.startBtn.Size = new System.Drawing.Size(75, 23);
            this.startBtn.TabIndex = 0;
            this.startBtn.Text = "Start";
            this.startBtn.UseVisualStyleBackColor = true;
            this.startBtn.Click += new System.EventHandler(this.startBtn_Click);
            // 
            // timer1
            // 
            this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
            // 
            // hour
            // 
            this.hour.AutoSize = true;
            this.hour.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.hour.Location = new System.Drawing.Point(27, 18);
            this.hour.Name = "hour";
            this.hour.Size = new System.Drawing.Size(61, 37);
            this.hour.TabIndex = 1;
            this.hour.Text = "00";
            // 
            // minute
            // 
            this.minute.AutoSize = true;
            this.minute.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.minute.Location = new System.Drawing.Point(125, 18);
            this.minute.Name = "minute";
            this.minute.Size = new System.Drawing.Size(61, 37);
            this.minute.TabIndex = 2;
            this.minute.Text = "00";
            // 
            // second
            // 
            this.second.AutoSize = true;
            this.second.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.second.Location = new System.Drawing.Point(228, 18);
            this.second.Name = "second";
            this.second.Size = new System.Drawing.Size(61, 37);
            this.second.TabIndex = 3;
            this.second.Text = "00";
            // 
            // milli
            // 
            this.milli.AutoSize = true;
            this.milli.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.milli.Location = new System.Drawing.Point(331, 18);
            this.milli.Name = "milli";
            this.milli.Size = new System.Drawing.Size(39, 37);
            this.milli.TabIndex = 4;
            this.milli.Text = "0";
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.label1.Location = new System.Drawing.Point(94, 18);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(30, 37);
            this.label1.TabIndex = 5;
            this.label1.Text = ":";
            // 
            // label2
            // 
            this.label2.AutoSize = true;
            this.label2.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.label2.Location = new System.Drawing.Point(192, 18);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(30, 37);
            this.label2.TabIndex = 6;
            this.label2.Text = ":";
            // 
            // label3
            // 
            this.label3.AutoSize = true;
            this.label3.Font = new System.Drawing.Font("굴림", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
            this.label3.Location = new System.Drawing.Point(295, 18);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(30, 37);
            this.label3.TabIndex = 7;
            this.label3.Text = ".";
            // 
            // stopBtn
            // 
            this.stopBtn.Location = new System.Drawing.Point(132, 82);
            this.stopBtn.Name = "stopBtn";
            this.stopBtn.Size = new System.Drawing.Size(75, 23);
            this.stopBtn.TabIndex = 8;
            this.stopBtn.Text = "Stop";
            this.stopBtn.UseVisualStyleBackColor = true;
            this.stopBtn.Click += new System.EventHandler(this.stopBtn_Click);
            // 
            // recordBtn
            // 
            this.recordBtn.Location = new System.Drawing.Point(289, 82);
            this.recordBtn.Name = "recordBtn";
            this.recordBtn.Size = new System.Drawing.Size(75, 23);
            this.recordBtn.TabIndex = 9;
            this.recordBtn.Text = "Record";
            this.recordBtn.UseVisualStyleBackColor = true;
            this.recordBtn.Click += new System.EventHandler(this.recordBtn_Click);
            // 
            // listBox1
            // 
            this.listBox1.FormattingEnabled = true;
            this.listBox1.ItemHeight = 12;
            this.listBox1.Location = new System.Drawing.Point(34, 124);
            this.listBox1.Name = "listBox1";
            this.listBox1.Size = new System.Drawing.Size(336, 220);
            this.listBox1.TabIndex = 10;
            // 
            // Form2
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(401, 362);
            this.Controls.Add(this.listBox1);
            this.Controls.Add(this.recordBtn);
            this.Controls.Add(this.stopBtn);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.milli);
            this.Controls.Add(this.second);
            this.Controls.Add(this.minute);
            this.Controls.Add(this.hour);
            this.Controls.Add(this.startBtn);
            this.Name = "Form2";
            this.Text = "Form2";
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Button startBtn;
        private System.Windows.Forms.Timer timer1;
        private System.Windows.Forms.Label hour;
        private System.Windows.Forms.Label minute;
        private System.Windows.Forms.Label second;
        private System.Windows.Forms.Label milli;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Button stopBtn;
        private System.Windows.Forms.Button recordBtn;
        private System.Windows.Forms.ListBox listBox1;
    }
}
}}}
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[데블스캠프2012/넷째날/묻지마Csharp]