http://www.csdn.net/Develop/Read_Article.asp?Id=20312

孟子e章给出的vb代码，现在从这个代码翻译成c#，给习惯c#的人参考
需要注意的是图片一定需要是ico格式，否则可能会导致托盘的不显示

using System;

namespace UBISerialsController
{
 /// <summary>
 /// Class1 的摘要说明。
 /// </summary>
 public class Class1
 {
  static System.ServiceProcess.ServiceController sc;
  static System.Windows.Forms.NotifyIcon ni;
  static System.Windows.Forms.ContextMenu cm;
  static System.Timers.Timer timer;

  public Class1()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
   
  }

  static void Main()
  {
   try
   {
    sc=new System.ServiceProcess.ServiceController("UBISerials");
    ni=new System.Windows.Forms.NotifyIcon();
    ni.Visible=false;
    cm=new System.Windows.Forms.ContextMenu();
    cm.MenuItems.Add(new System.Windows.Forms.MenuItem("停止",new EventHandler(StopService)));
    cm.MenuItems.Add(new System.Windows.Forms.MenuItem("暂停",new EventHandler(PauseService)));
    cm.MenuItems.Add(new System.Windows.Forms.MenuItem("继续",new EventHandler(ContiuneService)));
    cm.MenuItems.Add(new System.Windows.Forms.MenuItem("开始",new EventHandler(StartService)));
    cm.MenuItems.Add("-");
    cm.MenuItems.Add(new System.Windows.Forms.MenuItem("关于",new EventHandler(About)));
    cm.MenuItems.Add(new System.Windows.Forms.MenuItem("退出",new EventHandler(Exit)));
    ni.ContextMenu=cm;
    ni.Visible=true;
    SetUpTimer();
    System.Windows.Forms.Application.Run();     
   }
   catch(System.Exception ex)
   {
    System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
   }
  }

  private static void StopService(object sender,System.EventArgs e)
  {
   if(sc.Status==System.ServiceProcess.ServiceControllerStatus.Running&&sc.CanStop==true)
   {
    try
    {
     sc.Stop();
    }
    catch(System.Exception ex)
    {
     System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
    }
   }
  }

  private static void PauseService(object sender,System.EventArgs e)
  {
   if(sc.Status!=System.ServiceProcess.ServiceControllerStatus.Paused&&sc.CanPauseAndContinue==true)
   {
    try
    {
     sc.Pause();
    }
    catch(System.Exception ex)
    {
     System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
    }
   }
  }

  private static void ContiuneService(object sender,System.EventArgs e)
  {
   if(sc.Status==System.ServiceProcess.ServiceControllerStatus.Paused&&sc.CanPauseAndContinue==true)
   {
    try
    {
     sc.Continue();
    }
    catch(System.Exception ex)
    {
     System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
    }
   }
  }

  private static void StartService(object sender,System.EventArgs e)
  {
   if(sc.Status==System.ServiceProcess.ServiceControllerStatus.Stopped)
   {
    try
    {
     sc.Start();
    }
    catch(System.Exception ex)
    {
     System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
    }
   }
  }

  private static void About(object sender,System.EventArgs e)
  {
            System.Windows.Forms.MessageBox.Show("2005.4.3","关于");
  }

  private static void Exit(object sender,System.EventArgs e)
  {
   try
   {
    timer.Dispose();
    sc.Dispose();
    cm.Dispose();
    ni.Dispose();
    System.Windows.Forms.Application.Exit();
   }
   catch(System.Exception ex)
   {
    System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
   }
  }

  private static void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
  {
   GetServiceState();
  }

  private static void GetServiceState()
  {
   sc.Refresh();
   switch(sc.Status)
   {
    case System.ServiceProcess.ServiceControllerStatus.Stopped:
     {
     ni.Icon=new System.Drawing.Icon("stopped.ico");
     cm.MenuItems[0].Enabled=false;
     cm.MenuItems[1].Enabled=false;
     cm.MenuItems[2].Enabled=false;
     cm.MenuItems[3].Enabled=true;
     break;
    }
    case System.ServiceProcess.ServiceControllerStatus.Running:
    {
     ni.Icon=new System.Drawing.Icon("started.ico");
     cm.MenuItems[0].Enabled=true;
     cm.MenuItems[1].Enabled=true;
     cm.MenuItems[2].Enabled=false;
     cm.MenuItems[3].Enabled=false;
     break;
    }
    case System.ServiceProcess.ServiceControllerStatus.Paused:
    {
     ni.Icon=new System.Drawing.Icon("paused.ico");
     cm.MenuItems[0].Enabled=false;
     cm.MenuItems[1].Enabled=false;
     cm.MenuItems[2].Enabled=true;
     cm.MenuItems[3].Enabled=false;
     break;
    }
    default:
    {
     ni.Icon=new System.Drawing.Icon("paused.ico");
     break;
    }
   }
  }

  private static void SetUpTimer()
  {
   timer=new System.Timers.Timer();
   timer.Interval=500;
   timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);
   timer.Start();
  }
 }
}