C# 设置开机自动启动

 string KJQD = WebConfigurationManager.AppSettings["address"].ToString().Trim();
 //string KJQD = Application.ExecutablePath;  //两种方式
                if (!System.IO.File.Exists(KJQD))//判断指定文件是否存在
                {
                    MessageBox.Show("呼叫管理员！", "温馨提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    return;
                }

                string newKJLJ = KJQD.Substring(KJQD.LastIndexOf("\") + 1);

                RegistryKey Rkey =

                    Registry.LocalMachine.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Run", true);

                if (Rkey == null)

                    Rkey = Registry.LocalMachine.CreateSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Run");

                Rkey.SetValue(newKJLJ, KJQD); 
                MessageBox.Show("开机启动设置完毕！", "温馨提示", MessageBoxButtons.OK, MessageBoxIcon.Information);