如果的打开Word文档是Visible参数设为false你会得不到Selection实体

最新推荐文章于 2023-04-24 14:47:26 发布

原创最新推荐文章于 2023-04-24 14:47:26 发布 · 1.9k 阅读

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文章标签：

#文档 #object #application #string #button #class

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本文介绍了一种使用WPF应用程序与Microsoft Word文档进行文本查找和替换的操作流程，通过创建一个简单的WPF窗口应用，实现对Word文档中特定文本的查找并用指定文本替换。

以下是异常重现代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Word = Microsoft.Office.Interop.Word;
using Microsoft.Win32;

namespace WpfApplication5
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        List<string> words = new List<string>();
        public MainWindow()
        {
            InitializeComponent();
            words.Add("me");
            words.Add("you");
            words.Add("us");
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            Word.Application objApplication = new Word.Application();
            OpenFileDialog objOpenFileDialog = new OpenFileDialog();
            objOpenFileDialog.Filter = "Word document (*.docx)|*.docx";
            objOpenFileDialog.ShowDialog();
            object strPath = objOpenFileDialog.FileName;
            object flag = false;
            //object nflag = true;
            var missing = Type.Missing;
            Word.Document objDocument = objApplication.Documents.Open(ref strPath, ref missing, ref flag, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref flag, ref missing, ref missing, ref missing, ref missing);
            try
            {
                foreach (string word in words)
                {
                    SelectionFind(word, objApplication);
                }
            }
            catch
            {

            }
            finally
            {
                objDocument.Save();
                ((Word._Application)objApplication).Quit();
            }
        }

        private void SelectionFind(string word, Word.Application objApplication)
        {
            try
            {
                objApplication.Selection.Find.ClearFormatting();
            }
            catch
            {

            }
            objApplication.Visible = false;
            try
            {
                objApplication.Selection.Find.Replacement.ClearFormatting();
            }
            catch
            {

            }
            objApplication.Selection.Find.Replacement.Highlight = 1;
            objApplication.Selection.Find.Text = word;
            objApplication.Selection.Find.Replacement.Text = word;
            objApplication.Selection.Find.Forward = true;
            objApplication.Selection.Find.Wrap = Word.WdFindWrap.wdFindContinue;
            objApplication.Selection.Find.Format = true;
            objApplication.Selection.Find.MatchCase = false;
            objApplication.Selection.Find.MatchWholeWord = false;
            objApplication.Selection.Find.MatchWildcards = false;
            objApplication.Selection.Find.MatchSoundsLike = false;
            objApplication.Selection.Find.MatchAllWordForms = false;
            objApplication.Selection.Find.Execute(Replace: Word.WdReplace.wdReplaceAll);
            objApplication.Options.DefaultHighlightColorIndex = Word.WdColorIndex.wdYellow;
            objApplication.Selection.Range.HighlightColorIndex = Word.WdColorIndex.wdYellow;
        }
    }
}