richtextbox如何保存内容到文件

来源：佚名编辑：佚名

2024-07-03 14:18:03

要将richtextbox的内容保存到文件，您可以使用StreamWriter类来写入richtextbox的内容到文件中。以下是一个示例代码片段，演示如何保存richtextbox内容到文件中：

using System;
using System.IO;
using System.Windows.Forms;

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

        private void btnSave_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog1 = new SaveFileDialog();

            saveFileDialog1.Filter = "Text Files (*.txt)|*.txt|All files (*.*)|*.*";
            saveFileDialog1.FilterIndex = 1;
            saveFileDialog1.RestoreDirectory = true;

            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                using (StreamWriter sw = new StreamWriter(saveFileDialog1.FileName))
                {
                    sw.Write(richTextBox1.Text);
                }
            }
        }
    }
}