zj-Exercise/C#/WindowsFormsWordExcelDemo/Form1.cs

using Microsoft.Office.Interop.Word;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

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

        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "Word Files(*.docx)|*.docx|Word Files(*.doc)|*.doc";
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                //选定文档后创建应用程序
                Microsoft.Office.Interop.Word.Application word = new Microsoft.Office.Interop.Word.Application();
                Document document = word.Documents.Add(openFileDialog.FileName);
                //word.Visible = true;//使用默认程序打开Word

                //document.ActiveWindow.Selection.WholeStory();//全选document文档
                //document.ActiveWindow.Selection.Copy();//复制文档内容到剪切板
                //richTextBox1.Paste();//将复制的内容粘贴到RichTextBox

                //修改
                //document.Paragraphs[5].Range.Text = "hello world\n";//次方式是直接替换原文本
                Range range = document.Paragraphs[5].Range;
                document.Paragraphs.Add(range);
                document.Paragraphs[5].Range.Text = "hello world\n";
                




                word.Visible = true;


                //获取word文档的基本信息
      /*          for (int i = 1; i < document.Paragraphs.Count;i++)
                {
                    richTextBox1.Text = richTextBox1.Text + "\n第" + i + "段文字数量" + document.Paragraphs[i].Range.Text.Length;//文字数量
                    richTextBox1.Text = richTextBox1.Text + "\n第" + i + "段字体" + document.Paragraphs[i].Range.Font.Name;//字体
                    richTextBox1.Text = richTextBox1.Text + "\n第" + i + "段字体大小" + document.Paragraphs[i].Range.Font.Size;//字体大小
                    richTextBox1.Text = richTextBox1.Text + "\n第" + i + "段字体颜色" + document.Paragraphs[i].Range.Font.Color;//字体颜色
                    richTextBox1.Text = richTextBox1.Text + "\n第" + i + "段对齐方式" + document.Paragraphs[i].Alignment;//对齐方式
                    richTextBox1.Text = richTextBox1.Text + "\n第" + i + "段首行是否缩进" + document.Paragraphs[i].FirstLineIndent;//首行是否缩进
                }*/

                
                //document.Close();//操作完成后关闭文档
                //word.Quit();//退出Word应用程序
                MessageBox.Show("完成");
            }


        }
    }
}