private void btnSetOk_Click(object sender, EventArgs e)       {           RegCompStartRun(true, txtFullPath.Text.Trim());       }       private void btnCancel_Click(object sender, EventArgs e)       {           RegCompStartRun(false, txtFullPath.Text.Trim());       }       private void RegCompStartRun(bool cmd, string argPath)       {           string starupPath = argPath;           if (string.IsNullOrEmpty(argPath))           {               //获取当前可执行程序的全路径               starupPath = Application.ExecutablePath;           }           //表示Window注册表中项级节点,读取 Windows 注册表基项HKEY_LOCAL_MACHINE           Microsoft.Win32.RegistryKey loca = Microsoft.Win32.Registry.LocalMachine;           Microsoft.Win32.RegistryKey run = loca.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");           try           {               //SetValue:存储值的名称               if (cmd)               {                   run.SetValue("AutoStartupTestWinFormApp", starupPath);//加入注册，参数一为注册节点名称(随意)                     lblDisplay.Text = "设置成功!";               }               else               {                   run.DeleteValue("AutoStartupTestWinFormApp", false);//删除该注册节点                       lblDisplay.Text = "取消设置成功!";               }               loca.Close();           }           catch (Exception ee)           {               MessageBox.Show(ee.Message.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);           }       }