//打印        private void label12_Click(object sender, EventArgs e)        {            printDialog1.Document = printDocument1;            DialogResult isok = printDialog1.ShowDialog();            if (isok == DialogResult.OK)            {                printDocument1.Print();            }        }        private void pictureBox1_Click(object sender, EventArgs e)        {            printDialog1.Document = printDocument1;            DialogResult isok = printDialog1.ShowDialog();            if (isok == DialogResult.OK)            {                printDocument1.Print();            }        }        //保存        private void pictureBox5_Click(object sender, EventArgs e)        {            SaveFileDialog savefiledialog1 = new SaveFileDialog();            savefiledialog1.Filter = "文本文件|*.txt|所有文件|*.*";            DialogResult isok = savefiledialog1.ShowDialog();            if (isok == DialogResult.OK)            {                string filename = savefiledialog1.FileName;                //使用流写入                StreamWriter sw = new StreamWriter(filename);                sw.Write(textBox1.Text);                sw.Close();            }        }        private void label13_Click(object sender, EventArgs e)        {            SaveFileDialog savefiledialog1 = new SaveFileDialog();            savefiledialog1.Filter = "excel|*.xls|所有文件|*.*";            DialogResult isok = savefiledialog1.ShowDialog();            if (isok == DialogResult.OK)            {                string filename = savefiledialog1.FileName;                //使用流写入                StreamWriter sw = new StreamWriter(filename);                sw.Write(textBox1.Text);                sw.Close();            }        }