private void Control_Click(object s,EventArgs e)

        {

            if (((Control)s).Name == "button1")

            {

                if(textBox1.Text!="")

                {

                    XmlDocument xldoc = new XmlDocument();

                    xldoc.Load("D:\\Learn\\C#训练\\LikeIFace\\LikeIFace\\IPconfig.xml");

                    xmld.SelectNodes("ZJY").Item().SelectNodes("IP").Item().InnerText = textBox1.Text;

                    xmld.Save("D:\\Learn\\C#训练\\LikeIFace\\LikeIFace\\IPconfig.xml");

                    textBox2.Text = textBox1.Text;

                }

                ipendpoint = new IPEndPoint(IPAddress.Parse(xmld.SelectNodes("ZJY").Item().SelectNodes("IP").Item().InnerText), int.Parse(xmld.SelectNodes("ZJY").Item().SelectNodes("port").Item().InnerText));

                textBox2.Text = ipendpoint.Address.ToString();

                label4.Text = ipendpoint.Port.ToString();

                PrintCommand p = new PrintCommand();

                p.print();

            }

            PrintServer print = new PrintServer();

            print.GetPrintQueue("Fax");

        }

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Drawing;

using System.Drawing.Printing;

using Ipconfig;

using System.Windows.Forms;

using System.Data;

namespace LikeIFace

{

    public class PrintCommand

    {

        IpconfigHelper ip = new IpconfigHelper();

        /// <summary>

        /// 打印取号票

        /// </summary>

        /// <param name="send"></param>

        /// <param name="e"></param>

        public void print()

        {

            PrintDocument pd = new PrintDocument();//new能够被打印机使用的对线

            PrintPreviewDialog pa = new PrintPreviewDialog();//打印对话框

            pd.PrinterSettings.PrinterName =ip.PrinterName;//打印机名称

            pd.PrintController=new StandardPrintController();//获取打印机进程的控制器

            pd.PrintPage += DrawPage;

            pd.DefaultPageSettings.PaperSize = new PaperSize("票据",,);//设置纸张的大小

            pa.Document = pd;

            pa.ShowDialog();//预览

            if (pd.PrinterSettings.IsValid)

            {

                //pd.Print();

                MessageBox.Show("打印成功");

            }

            else

            {

                MessageBox.Show("打印机连接错误");

            }

        }

        /// <summary>

        /// 画取号票

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        void DrawPage(object sender, PrintPageEventArgs e)

        {

            float x,y;

            float leftMargin=,topMargin=;

            //画标题

            Font font=new Font("黑体",);

            x=leftMargin+ip.TitleNameX;

            y=topMargin;

            e.Graphics.DrawString(ip.TitleName,new Font("黑体",),Brushes.Black,x,y,new StringFormat ());

            //画第二行 副标题

            x = leftMargin + ;

            y += font.GetHeight(e.Graphics);//返回此字体的行距

            font = new Font("黑体", );

            e.Graphics.DrawString("抽血排号凭证", font, Brushes.Black, x, y, new StringFormat());

            //画排队号

            x = leftMargin;

            y += font.GetHeight(e.Graphics)+;

            string str = "";

            e.Graphics.DrawString(str, font, Brushes.Black, x, y, new StringFormat());

            //画线

            Pen pen = new Pen(Color.Black);

            pen.Width = ;

            e.Graphics.DrawLine(pen, , , , );

            x = leftMargin + ;

            y = y + font.GetHeight(e.Graphics)+;

            font = new Font("黑体", );

            str = "简简";

            e.Graphics.DrawString(str, font, Brushes.Black, x, y, new StringFormat());

            //画你所想

            x = leftMargin + ;

            y = y + font.GetHeight(e.Graphics) - ;

            font = new Font("宋体", );

            str = "女";

            e.Graphics.DrawString(str, font, Brushes.Black, x, y, new StringFormat());

            x = leftMargin + ;

            y = y + font.GetHeight(e.Graphics) - +;

            font = new Font("宋体", );

            str = "";

            e.Graphics.DrawString(str, font, Brushes.Black, x, y, new StringFormat());

            //画二维码

            Image image;

            BarcodeLib.Barcode b=new BarcodeLib.Barcode();

            b.BackColor=System.Drawing.Color.White;//设置图片背景

            b.ForeColor=System.Drawing.Color.Black;//设置字体颜色

            b.ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;

            font = new Font("宋体", );

            b.LabelFont = font;

            b.Height=;

            b.Width = ;

            image=b.Encode(BarcodeLib.TYPE.CODE128,"");

            e.Graphics.DrawImage(image, , , , );

        }

    }

}