winform c# richtextbox保存为txt文本文档

winform c# richtextbox保存为txt文本文档

private void btn_Save_Click(object sender, EventArgs e)

{

if (this.richTextBox1.Text == "")

return;

saveFileDialog1.DefaultExt = "txt";

saveFileDialog1.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";

if (this.saveFileDialog1.ShowDialog() == DialogResult.Cancel)

return;

string FileName = this.saveFileDialog1.FileName;

if (saveFileDialog1.ShowDialog() == DialogResult.OK &&FileName.Length > 0)

{

// Save the contents of the RichTextBox into the file.

richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText);

MessageBox.Show("文件已成功保存");

}

}