RegistryKey key = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);//打开注册表子项  key.SetValue(程序的名称, 程序的路径);或WshShell shell = new WshShell();   IWshShortcut shortcut = (IWshShortcut)shell.CreateShortcut(shortcutPath);

public void SetAutoRun(string fileName, bool isAutoRun)  {      RegistryKey reg = null;      try     {          if (!System.IO.File.Exists(fileName))              throw new Exception("该文件不存在!");          String name = fileName.Substring(fileName.LastIndexOf(@"\") + 1);          reg = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run", true);          if (reg == null)              reg = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");          if (isAutoRun)              reg.SetValue(name, fileName);          else             reg.SetValue(name, false);          lbl_autorunerr.Visible = false;      }      catch     {          lbl_autorunerr.Visible = true;          //throw new Exception(ex.ToString());      }      finally     {          if (reg != null)              reg.Close();      }  }