/// <summary>
        /// 加载尺寸
        /// </summary>
        /// <param name="strPrinterName">打印机名称</param>
        private void loadPaperSize(string strPrinterName)
        {
            try
            {

                PrintDocument printDoc = new PrintDocument();

                printDoc.DefaultPageSettings.PrinterSettings.PrinterName = strPrinterName;

                //保存原先的
                ClsKeyOjbect objSelectItem =new ClsKeyOjbect("",null);;
                if (comboPaperSizes.SelectedItem!=null)
                {
                    objSelectItem = (ClsKeyOjbect)comboPaperSizes.SelectedItem;
                }

                comboPaperSizes.Items.Clear();

                foreach (PaperSize item in printDoc.PrinterSettings.PaperSizes)
                {
                    ClsKeyOjbect myKeyValue = new ClsKeyOjbect(item.PaperName, item);
                    comboPaperSizes.Items.Add(myKeyValue);

                    //判断是否是原先的项目,原先的为空就不用验证了,
                    if ((objSelectItem.strKey!="") && (objSelectItem.strKey == item.PaperName))
                    {
                        comboPaperSizes.SelectedItem = myKeyValue;
                    }
                }

                //如果有相同的纸张定义就选择原先的
                if (comboPaperSizes.SelectedItem==null)
                {
                    //如果没有,就显示第一项
                    comboPaperSizes.SelectedIndex = 0;

                }

            }
            catch (System.Exception ex)
            {
                //ClsErrorFile.WriteLine(ex);
            }
        }
        /// <summary>
        /// 加载参数到控件中
        /// </summary>
        private void LoadPageSetting()
        {
            if (BarcodePageSettings != null)
            {

                BarcodePageSettings.BarcodePaperLayout.Compute();

                //如下之纸张项目
                //因为这个是在初始化中,所以需要判断原先是否为空
                if (comboPaperSizes.Items.Count==0)
                {
                    ClsKeyOjbect myKeyValue = new ClsKeyOjbect(BarcodePageSettings.BarcodePaperLayout.BarcodePaperSize.PaperName, BarcodePageSettings.BarcodePaperLayout.BarcodePaperSize);
                    comboPaperSizes.Items.Add(myKeyValue);

                }
                comboPaperSizes.Text = BarcodePageSettings.BarcodePaperLayout.BarcodePaperSize.PaperName;//设置纸张内容

                //如下是布局项目
                //如下是布局
                UpDownNumberOfLine.Value = BarcodePageSettings.BarcodePaperLayout.NumberOfLine;// 设置行数
                UpDownNumberOfColumn.Value = BarcodePageSettings.BarcodePaperLayout.NumberOfColumn;//设置列数

                //如下是边距
                txtMaginsTop.Text = BarcodePageSettings.BarcodePaperLayout.Top.ToString();
                txtMaginsLeft.Text = BarcodePageSettings.BarcodePaperLayout.Left.ToString();
                txtMaginsRight.Text = BarcodePageSettings.BarcodePaperLayout.Right.ToString();
                txtMaginsBottom.Text = BarcodePageSettings.BarcodePaperLayout.Bottom.ToString();

                //如下是模板大小
                txtModelWidth.Text = BarcodePageSettings.BarcodePaperLayout.ModelWidth.ToString();
                txtModelHeight.Text = BarcodePageSettings.BarcodePaperLayout.ModelHeight.ToString();
                chkCustomModelSize.Checked = BarcodePageSettings.BarcodePaperLayout.CustomModelSize;

                //如下是间距
                txtHorizontalInterval.Text = BarcodePageSettings.BarcodePaperLayout.HorizontalInterval.ToString();
                txtVerticalInterval.Text = BarcodePageSettings.BarcodePaperLayout.VerticalInterval.ToString();
                chkCustomInterval.Checked = BarcodePageSettings.BarcodePaperLayout.CustomDistance;

                //在预览的下边显示模板大小
                lblModelSize.Text = "模板大小:  " + BarcodePageSettings.BarcodePaperLayout.ModelWidth.ToString() + " X " + BarcodePageSettings.BarcodePaperLayout.ModelHeight.ToString() + " 毫米";
                //如下显示纸张大小
                lblPaperSize.Text = "纸张大小:  " + BarcodePageSettings.BarcodePaperLayout.PaperWidth.ToString() + " X " +BarcodePageSettings.BarcodePaperLayout.PaperHeight.ToString() + " 毫米";

                //设置是否横向
                if (BarcodePageSettings.BarcodePaperLayout.LandScape)
                {
                    radioButton2.Checked = true;
                    radioButton1.Checked = false;
                }
                else
                {
                    radioButton1.Checked = true;
                    radioButton2.Checked = false;
                }

                //如下是调用预览
                pictureBox1.Refresh();

            }
        }