TIPS-保存Visual Studio偵錯時的Config修改結果

using System;

using System.Windows.Forms;

using System.Configuration;

using System.IO;

namespace WF

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_FormClosed(object sender, 

            FormClosedEventArgs e)

        {

            System.Configuration.Configuration conf =

                ConfigurationManager.OpenExeConfiguration(

                    ConfigurationUserLevel.None);

            conf.AppSettings.Settings["LastTime"].Value =

                DateTime.Now.ToString("HH:mm:ss");

            conf.Save(ConfigurationSaveMode.Modified);

            try

            {

                //Debug Mode時回寫app.config

                if (System.Diagnostics.Debugger.IsAttached)

                    File.Copy(conf.FilePath,

                    "..\\..\\app.config", true);

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            System.Configuration.Configuration conf =

                ConfigurationManager.OpenExeConfiguration(

                    ConfigurationUserLevel.None);

            this.Text = "LastTime => " + 

                conf.AppSettings.Settings["LastTime"].Value;

        }

    }

}