C#实现简单合并word文档的方法

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Reflection;
namespace Demo
{
 public partial class Form2 : Form
 {
  public Form2()
  {
   InitializeComponent();
  }
  string path = @"C:Documents and SettingsAdministrator桌面output.doc";
  string add = @"C:Documents and SettingsAdministrator桌面file";
  private Microsoft.Office.Interop.Word.ApplicationClass applicationClass;
  private Microsoft.Office.Interop.Word.Document doc;
  private void button1_Click(object sender,EventArgs e)
  {
   Ex();
  }
  void Ex()
  {
   Open(path);
   string[] files = System.IO.Directory.GetFiles(add);
   foreach (string s in files)
   {
    InsertFile(s);
   }
   SaveAs(path);
  }
  /// <summary>
  /// 打开输出word文档
  /// </summary>
  /// <param name="strFileName"></param>
  public void Open(string strFileName)
  {
   applicationClass = new Microsoft.Office.Interop.Word.ApplicationClass();
   object fileName = strFileName;
   object readOnly = false;
   object isVisible = true;
   object missing = System.Reflection.Missing.Value;
   doc = applicationClass.Documents.Open(ref fileName,ref missing,ref missing);
   doc.Activate();
  }
  /// <summary>
  /// 向打开的word文档中插入word文档
  /// </summary>
  /// <param name="strFileName"></param>
  public void InsertFile(string strFileName)
  {
   object missing = System.Reflection.Missing.Value;
   object confirmConversion = false;
   object link = false;
   object attachment = false;
   applicationClass.Selection.InsertFile(strFileName,ref confirmConversion,ref link,ref attachment);
   object pBreak = (int)Microsoft.Office.Interop.Word.WdBreakType.wdSectionBreakNextPage;
   applicationClass.Selection.InsertBreak(ref pBreak);
  }
  /// <summary>
  /// 最后保存word文档
  /// </summary>
  /// <param name="strFileName"></param>
  public void SaveAs(string strFileName)
  {
   object missing = System.Reflection.Missing.Value;
   object fileName = strFileName;
   doc.SaveAs(ref fileName,ref missing);
  }
 }
}