简单的启动窗体
 public static System.Threading.Thread thread;
  public static ce.About welcomefrm;
 [STAThread]
  static void Main()
  {
   System.Threading.ThreadStart start=new ThreadStart(ce.ceStart.splashForm);
   thread=new Thread(start);
   thread.Start();

   //做要做的事
   //运行主程序
   System.Windows.Forms.Application.Run(new  ce.Forms.coolmain());
  }
  static void splashForm()
  {
   ce.ceStart.welcomefrm =new About();
   ce.ceStart.welcomefrm.Show();
   Application.DoEvents();
   ce.ceStart.welcomefrm.Activate();
   thread.Join(2000);
   ce.ceStart.welcomefrm.Close();
   ce.ceStart.thread.Abort();
  }