C#.NET Form設置/取消開機自動運行，判斷程序是否已經設置成開機自動啟動

  #region//開機自動運行
        private void CB_Auto_CheckedChanged(object sender, EventArgs e)
        {//CB_Auto是一個Checkbox，IsAutoRun 是個布爾變量，用於控制是否開機運行
            if (CB_Auto.Checked == true) IsAutoRun = true;
            else IsAutoRun = false;
            try
            {
                AutoRun();
            }
            catch
            { }            
        }
        private void AutoRun()
        { 
            //獲取程序執行路徑..
            string starupPath = Application.ExecutablePath;
            //class Micosoft.Win32.RegistryKey. 表示Window注冊表中項級節點,此類是注冊表裝.
            RegistryKey loca = Registry.LocalMachine;
            RegistryKey run = loca.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
           
            try
            {
                 //SetValue:存儲值的名稱
                if (IsAutoRun == false) run.SetValue("WinForm", false);//取消開機運行
                else run.SetValue("WinForm", starupPath);//設置開機運行
                loca.Close();
            }
            catch
            {}

        }
        #endregion

//判斷程序是否已經設置成開機自動啟動，在form_load中寫入

RegistryKey loca_chek = Registry.LocalMachine;
                RegistryKey run_Check = loca_chek.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
                if (run_Check.GetValue("WinForm").ToString().ToLower() != "false")
                {/分別/對應上面的WinForm和false
                    CB_Auto.Checked = true;
                }
                else
                {
                    CB_Auto.Checked = false;
                }