/// <summary>

        /// 打印的按钮

        /// </summary>

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

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

        private void btnPrint_Click(object sender, EventArgs e)

        {

            // printDocument1 为 打印控件

            //设置打印用的纸张 当设置为Custom的时候，可以自定义纸张的大小，还可以选择A4,A5等常用纸型

            this.printDocument1.DefaultPageSettings.PaperSize = new PaperSize("Custom",,);

            this.printDocument1.PrintPage += new PrintPageEventHandler(this.MyPrintDocument_PrintPage);

            //将写好的格式给打印预览控件以便预览

            printPreviewDialog1.Document = printDocument1;

            //显示打印预览

            DialogResult result = printPreviewDialog1.ShowDialog();

        }

        /// <summary>

        /// 打印的格式

        /// </summary>

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

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

        private void MyPrintDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)

        {

            /*如果需要改变自己 可以在new Font(new FontFamily("黑体"),11）中的“黑体”改成自己要的字体就行了，黑体 后面的数字代表字体的大小

             System.Drawing.Brushes.Blue , 170, 10 中的 System.Drawing.Brushes.Blue 为颜色，后面的为输出的位置 */

            e.Graphics.DrawString("新乡市三月软件公司入库单", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("供货商:河南科技学院", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Blue, , );

            //信息的名称

            e.Graphics.DrawLine(Pens.Black, , , , );

            e.Graphics.DrawString("入库单编号", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("商品名称", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("数量", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("单价", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("总金额", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawLine(Pens.Black, , , , );

            //产品信息

            e.Graphics.DrawString("R2011-01-2016:06:35", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("联想A460", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("200.00", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("20000.00", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawLine(Pens.Black, , , , );

            e.Graphics.DrawString("地址：新乡市河南科技学院信息工程学院", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("经办人:任忌", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("服务热线:15083128577", new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

            e.Graphics.DrawString("入库时间:" + DateTime.Now.ToString(), new Font(new FontFamily("黑体"), ), System.Drawing.Brushes.Black, , );

        }