using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;

using System.IO;
using System.Windows.Forms;

namespace WindowsFormsApplication9
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void toolStripComboBox1_Click(object sender, EventArgs e)
        {

        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            this.saveFileDialog1.Filter = "*.txt|*.txt";  
            this.saveFileDialog1.ShowDialog();  
           string file = this.saveFileDialog1.FileName;  
            if (string.IsNullOrEmpty(file)) return;  
            //以下為寫字元到文字檔案，需要新增System.IO引用   
            //建立一個檔案流   
            FileStream fs = new FileStream(file, FileMode.OpenOrCreate,  
                FileAccess.Write);  
           //建立一個StreamWriter物件   
           StreamWriter sw = new StreamWriter(fs);  
            sw.Write(this.textBox1.Text);              //釋放StreamWriter物件,檔案流物件   
           sw.Dispose();  
            fs.Dispose();  

        }

        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            this.openFileDialog1.Filter = "*.txt|*.txt";
            this.openFileDialog1.ShowDialog();
            string file = this.openFileDialog1.FileName;
            if (string.IsNullOrEmpty(file)) return;

            //以下為寫字元到文字檔案，需要新增System.IO引用
            //建立一個檔案流
            FileStream fs = new FileStream(file, FileMode.Open,
                FileAccess.Read);
            //建立一個StreamWriter物件
            StreamReader sr = new StreamReader(fs);
            this.textBox1.Text = sr.ReadToEnd();
            //釋放StreamWriter物件,檔案流物件
            sr.Dispose();
            fs.Dispose();


        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }
    }
}