word转换成rtf格式

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 Word= Microsoft.Office.Interop.Word;namespace WordToRtf{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } public static void WordToHtmlRtf(string WordFilePath) { try { Word.Application wApp = new Word.Application(); //指定原文件和目标文件 object docPath = WordFilePath; string htmlPath = WordFilePath.Substring(0, WordFilePath.Length - 3) "rtf"; object Target = htmlPath; //缺省参数 object Unknown = Type.Missing; //只读方式打开 object readOnly = true; //打开doc文件 Word.Document document = wApp.Documents.Open(ref docPath, ref Unknown, ref readOnly, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown); // 指定格式 object format = Word.WdSaveFormat.wdFormatRTF; // 转换格式 document.SaveAs(ref Target, ref format, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown, ref Unknown); // 关闭文档和Word程序 document.Close(ref Unknown, ref Unknown, ref Unknown); wApp.Quit(ref Unknown, ref Unknown, ref Unknown); } catch (Exception e) { MessageBox.Show(e.Message); } } private void Form1_Load(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { if (openFileDialog1.ShowDialog() == DialogResult.OK) textBox1.Text = openFileDialog1.FileName; } private void button2_Click(object sender, EventArgs e) { if (textBox1.Text != "") { WordToHtmlRtf(textBox1.Text.Trim()); MessageBox.Show("转换成功，保存在Word文件的同目录下！"); } } }}