Question

C#记事本怎么实现保存功能（区别于另存为的）

Answer 1

private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
{
Save();
}
private void Save()
{
if (originFileName != "")
{
StreamWriter sw = new StreamWriter(originFileName);
sw.Write(richTextBox1.Text);
sw.Close();
origin = richTextBox1.Text;
}
else
{
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
｛
originFileName = saveFileDialog1.FileName;
StreamWriter sq = new StreamWriter(saveFileDialog1.FileName);
sq.WriteLine(richTextBox1.Text);
sq.Close();
origin = richTextBox1.Text;
｝
}
}