DesktopHelper.UI.ConfigForm.AutoStart_CheckedChanged C# (CSharp) Method

        private void AutoStart_CheckedChanged(object sender, EventArgs e)
        {
            try
            {
                if (bool_IsStarting) return;
                string strName = Application.ExecutablePath;
                string strnewName = strName.Substring(strName.LastIndexOf(@"\") + 1);
                if (AutoStart.Checked)
                {
                    if (!File.Exists(strName))//指定文件是否存在
                        return;
                    Microsoft.Win32.RegistryKey Rkey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run", true);
                    if (Rkey == null)
                        Rkey = Microsoft.Win32.Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
                    Rkey.SetValue(strnewName, strName);//修改注册表，使程序开机时自动执行。
                }
                else
                {
                    Microsoft.Win32.RegistryKey Rkey = Microsoft.Win32.Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
                    Rkey.DeleteValue(strnewName, false);
                }
                BtnApply.Enabled = true;
            }
            catch
            {
                MessageBox.Show("系统管理权限不足，请先退出软件，右键单击以“管理员身份运行”，然后再进行设置");
                AutoStart.CheckState = CheckState.Unchecked;
            }
        }