c# 做的时钟 带秒针、分针、时针

时钟效果不错，支持 退出和隐藏等功能

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;
using System.Drawing.Drawing2D;
namespace QuartzClock
{
    public partial class Frm_Main : Form
    {
        public Frm_Main（）
        {
            InitializeComponent（）;
        }

        private Point mouseOffset;
        private bool isMouseDown = false;


        private void clock（Graphics g）
        {
            const double pi = Math.PI;
            Point center = new Point（0 0）;
            DateTime time = DateTime.Now;
            //读取时间；
            double sec = 2.0 * pi * time.Second / 60.0;
            double min = 2.0 * pi * （time.Minute + time.Second / 60.0） / 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2011-12-22 23:10  QuartzClock\
     文件         923  2013-05-17 11:21  QuartzClock.sln
     文件       15872  2010-11-04 04:08  QuartzClock.suo
     文件       49206  2008-12-26 16:49  QuartzClock\bg.png
     目录           0  2011-12-22 23:10  QuartzClock\bin\
     目录           0  2013-05-17 11:27  QuartzClock\bin\Debug\
     文件       73728  2013-05-17 11:27  QuartzClock\bin\Debug\QuartzClock.exe
     文件       28160  2013-05-17 11:27  QuartzClock\bin\Debug\QuartzClock.pdb
     文件        4392  2010-07-14 23:35  QuartzClock\Frm_Main.cs
     文件        9454  2010-07-14 23:35  QuartzClock\Frm_Main.Designer.cs
     文件       11218  2010-07-09 00:46  QuartzClock\Frm_Main.resx
     目录           0  2011-12-22 23:10  QuartzClock\obj\
     目录           0  2013-05-17 11:27  QuartzClock\obj\Debug\
     文件        7504  2013-05-17 11:21  QuartzClock\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        5208  2013-05-17 11:27  QuartzClock\obj\Debug\QuartzClock.csproj.FileListAbsolute.txt
     文件         876  2013-05-17 11:27  QuartzClock\obj\Debug\QuartzClock.csproj.GenerateResource.Cache
     文件        1757  2013-05-17 11:26  QuartzClock\obj\Debug\QuartzClock.csprojResolveAssemblyReference.cache
     文件       73728  2013-05-17 11:27  QuartzClock\obj\Debug\QuartzClock.exe
     文件        3440  2013-05-17 11:27  QuartzClock\obj\Debug\QuartzClock.Frm_Main.resources
     文件       28160  2013-05-17 11:27  QuartzClock\obj\Debug\QuartzClock.pdb
     文件       57434  2013-05-17 11:27  QuartzClock\obj\Debug\QuartzClock.Properties.Resources.resources
     目录           0  2011-12-22 23:10  QuartzClock\obj\Debug\Refactor\
     目录           0  2013-05-17 11:21  QuartzClock\obj\Debug\TempPE\
     文件        4608  2013-05-17 11:21  QuartzClock\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
     文件         495  2010-07-09 00:45  QuartzClock\Program.cs
     目录           0  2011-12-22 23:10  QuartzClock\Properties\
     文件        1384  2008-12-24 22:34  QuartzClock\Properties\AssemblyInfo.cs
     文件        3224  2013-05-17 11:21  QuartzClock\Properties\Resources.Designer.cs
     文件        6181  2008-12-26 16:50  QuartzClock\Properties\Resources.resx
     文件        1111  2013-05-17 11:21  QuartzClock\Properties\Settings.Designer.cs
     文件         249  2008-10-06 18:57  QuartzClock\Properties\Settings.settings
............此处省略2个文件信息