private void KopSoftPrint_Load(object sender, EventArgs e)
        {
            string sDefault = printDocument.PrinterSettings.PrinterName; //设置默认打印机名

            foreach (string sPrint in PrinterSettings.InstalledPrinters) //获取所有打印机名称
            {
                cbPrint.Items.Add(sPrint);
                if (sPrint == sDefault)
                {
                    cbPrint.SelectedIndex = cbPrint.Items.IndexOf(sPrint);
                }
            }


            try
            {
                PageMargins = int.Parse(tbPageMargins.Text);//页面边距
                PagerSetting.PagePadding = (int)PagerSetting.MillimeterToPixel(panel1.Handle, PageMargins, 1);

                PageWidth  = int.Parse(tbPageWidth.Text);
                PageHeight = int.Parse(tbPageHeight.Text);
                if (PageWidth > 0 && PageHeight > 0)//进行尺码单位毫米(mm)转换成像素(Px)
                {
                    PagerSetting.PageHeight = (int)PagerSetting.MillimeterToPixel(panel1.Handle, PageHeight, 2);
                    PagerSetting.PageWidth  = (int)PagerSetting.MillimeterToPixel(panel1.Handle, PageWidth, 1);
                }

                //重绘pager纸张
                PageLayer pl = new PageLayer(PagerSetting.PageWidth, PagerSetting.PageHeight, PagerSetting.PagePadding);
                //先把旧纸张去掉
                if (panel1.Controls.Count > 0)
                {
                    for (int i = 0; i < panel1.Controls.Count; i++)
                    {
                        if (((ImageLayerBase)panel1.Controls[i]).layerType == LayerType.Paper)
                        {
                            panel1.Controls.RemoveAt(i);
                            break;
                        }
                    }
                }
                panel1.Controls.Add(pl);
                PagerSetting.IsPagerLayerCreated = true;

                //计算控件起始坐标
                int startX = (int)((panel1.Width - PagerSetting.PageWidth) / 2);
                int startY = (int)((panel1.Height - PagerSetting.PageHeight) / 2);
                pl.Left  = startX;
                pl.Top   = startY;
                m_startX = startX + PagerSetting.PagePadding;
                m_startY = startY + PagerSetting.PagePadding;

                lbMessage.Text = "设置成功,纸张尺寸" + PagerSetting.PageWidth + "*" + PagerSetting.PageHeight + "px 页面边距" + PagerSetting.PagePadding + "px";
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void tbPageHeight_TextChanged(object sender, EventArgs e)
        {
            try
            {
                PageMargins = int.Parse(tbPageMargins.Text);//页面边距
                PagerSetting.PagePadding = (int)PagerSetting.MillimeterToPixel(panel1.Handle, PageMargins, 1);

                PageWidth  = int.Parse(tbPageWidth.Text);
                PageHeight = int.Parse(tbPageHeight.Text);
                if (PageWidth > 0 && PageHeight > 0)//进行尺码单位毫米(mm)转换成像素(Px)
                {
                    PagerSetting.PageHeight = (int)PagerSetting.MillimeterToPixel(panel1.Handle, PageHeight, 2);
                    PagerSetting.PageWidth  = (int)PagerSetting.MillimeterToPixel(panel1.Handle, PageWidth, 1);
                }

                //重绘pager纸张
                PageLayer pl = new PageLayer(PagerSetting.PageWidth, PagerSetting.PageHeight, PagerSetting.PagePadding);
                //先把旧纸张去掉
                if (panel1.Controls.Count > 0)
                {
                    for (int i = 0; i < panel1.Controls.Count; i++)
                    {
                        if (((ImageLayerBase)panel1.Controls[i]).layerType == LayerType.Paper)
                        {
                            panel1.Controls.RemoveAt(i);
                            break;
                        }
                    }
                }
                panel1.Controls.Add(pl);
                PagerSetting.IsPagerLayerCreated = true;

                //计算控件起始坐标
                int startX = (int)((panel1.Width - PagerSetting.PageWidth) / 2);
                int startY = (int)((panel1.Height - PagerSetting.PageHeight) / 2);
                pl.Left  = startX;
                pl.Top   = startY;
                m_startX = startX + PagerSetting.PagePadding;
                m_startY = startY + PagerSetting.PagePadding;

                lbMessage.Text = "设置成功,纸张尺寸" + PagerSetting.PageWidth + "*" + PagerSetting.PageHeight + "px 页面边距" + PagerSetting.PagePadding + "px";
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        /// <summary>
        /// 从配置还原到控件
        /// </summary>
        /// <param name="cfg"></param>
        /// <param name="parentCtl"></param>
        public static void ReturnContrl(PrintConfig cfg, Control parentCtl)
        {
            if (cfg == null || cfg.Layers == null || cfg.Layers.Count == 0)
            {
                return;
            }
            parentCtl.Controls.Clear();
            PagerSetting.PageHeight  = cfg.PageHeight;
            PagerSetting.PageWidth   = cfg.PageWidth;
            PagerSetting.PagePadding = cfg.PagePadding;
            //根据配置还原图
            PageLayer pl = new PageLayer(PagerSetting.PageWidth, PagerSetting.PageHeight, PagerSetting.PagePadding);

            parentCtl.Controls.Add(pl);
            //计算控件起始坐标
            int startX = (int)((parentCtl.Width - PagerSetting.PageWidth) / 2);
            int startY = (int)((parentCtl.Height - PagerSetting.PageHeight) / 2);

            pl.Left = startX;
            pl.Top  = startY;

            for (int i = cfg.Layers.Count - 1; i >= 0; i--)
            {
                string layertype = cfg.Layers[i].GetType().ToString();
                switch (layertype.Substring(layertype.LastIndexOf(".") + 1))
                {
                case "BarCodeLayerConfig":
                    BarCodeLayerConfig bc       = (BarCodeLayerConfig)cfg.Layers[i];
                    BarCodeLayer       barlayer = new BarCodeLayer(bc.Content, bc.Width, bc.Height, bc.CodeType, bc.IsShowText);
                    parentCtl.Controls.Add(barlayer);
                    barlayer.BringToFront();      //一定要加这句将层放到最上面  不然默认是放在最下面的
                    barlayer.Left = bc.X + startX;
                    barlayer.Top  = bc.Y + startY;
                    break;

                case "ImageLayerConfig":
                    ImageLayerConfig imglc    = (ImageLayerConfig)cfg.Layers[i];
                    ImageLayer       imglayer = new ImageLayer(imglc.ImageFilePath, imglc.Width, imglc.Height);
                    parentCtl.Controls.Add(imglayer);
                    imglayer.BringToFront();      //一定要加这句将层放到最上面  不然默认是放在最下面的
                    imglayer.Left = imglc.X + startX;
                    imglayer.Top  = imglc.Y + startY;
                    break;

                case "TextLayerConfig":
                    TextLayerConfig tlc = (TextLayerConfig)cfg.Layers[i];
                    TextLayer       tl  = new TextLayer(tlc.Content, true, tlc.ContentFont, tlc.ContentColor);
                    parentCtl.Controls.Add(tl);
                    tl.BringToFront();      //一定要加这句将层放到最上面  不然默认是放在最下面的
                    tl.Left = tlc.X + startX;
                    tl.Top  = tlc.Y + startY;
                    break;

                case "LineLayerConfig":
                    LineLayerConfig lc = (LineLayerConfig)cfg.Layers[i];
                    LineLayer       ll = new LineLayer(lc.lineWidth, lc.lineLength, lc.lineDirect);
                    parentCtl.Controls.Add(ll);
                    ll.BringToFront();      //一定要加这句将层放到最上面  不然默认是放在最下面的
                    ll.Left = lc.X + startX;
                    ll.Top  = lc.Y + startY;
                    break;

                default: break;
                }
            }
        }