打印grid

void PrintButtonClick(object sender, EventArgs e)
        {
            PrintPreviewDialog dlg = new PrintPreviewDialog();

            //page setting
            PageSetupDialog psp = new PageSetupDialog();
            psp.AllowMargins = true;
            SourceGrid.Exporter.GridPrintDocument pd = new SourceGrid.Exporter.GridPrintDocument(this.grid);

            //页边距开关 若关闭：打印时页边距设置无效、不起作用的原因及解决方法
            pd.OriginAtMargins = true;
            //是否 横向打印
            pd.DefaultPageSettings.Landscape = true;
            //左边距 左边距宽度（以百分之一英寸为单位）
            pd.DefaultPageSettings.Margins.Left = ;
            psp.PageSettings = pd.DefaultPageSettings;
            //显示 英寸还是毫米
            psp.EnableMetric = true;

            if (psp.ShowDialog() == DialogResult.OK)
            {
                pd.DefaultPageSettings = psp.PageSettings;
            }

            pd.RangeToPrint = new SourceGrid.Range(, , this.grid.Rows.Count - , this.grid.Columns.Count - );
            pd.PageHeaderText = "Print sample\t\tSourceGrid print document sample";
            pd.PageTitleText = "\tSample grid";
            pd.PageFooterText = "\tPage [PageNo] from [PageCount]";
            dlg.Document = pd;
            dlg.ShowDialog(this);
        }