richtextbox包存时出现别的字符

Question

private void button3_Click(object sender, EventArgs e)
        {
            saveFileDialog1.FileName = "";
            saveFileDialog1.Filter = "文本文件(*.rtf)|*.rtf";
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                richTextBox1.SaveFile(saveFileDialog1.FileName);
            }
        }
{\rtf1\ansi\deff0{\fonttbl{\f0\fnil\fcharset134 SimSun;}}
\viewkind4\uc1\pard\lang1028\f0\fs18 001176058220060819070635003660\par
红色标记是我的文本

Answer 1

private void button3_Click(object sender, EventArgs e)
        {
            saveFileDialog1.FileName = "";
            saveFileDialog1.Filter = "文本文件(*.txt)|*.txt";
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                richTextBox1.SaveFile(saveFileDialog1.FileName);
            }
        }
是这样

Answer 2

忘加RichTextBoxStreamType.PlainText
结贴