using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.IO;
namespace?text
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;

????????}

????????protected?void?SaveFile（string?fileName）
????????{
????????????try
????????????{
????????????????Stream?stream?=?File.OpenRead（fileName）;??//需引用?using?system.io
????????????????using?（StreamWriter?writer?=?new?StreamWriter（stream））
????????????????{
????????????????????writer.Write（richTextBox1.Text）;
????????????????}
????????????}
????????????catch?（IOException?ex）
????????????{
????????????????MessageBox.Show（ex.

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????35328??2014-11-21?11:02??1?GUI編程方法與步驟--要點-2014-11-16.doc

?????文件??????65024??2014-11-18?10:05??File類的37個函數功能介紹.doc

?????文件?????117248??2014-11-16?17:37??richtextbox的使用方法.doc

-----------?---------??----------?-----??----

???????????????217600????????????????????3