C# 打印WPF数据网格中的可见行

我正在使用找到的代码打印数据网格。唯一的问题是我用作DataGrid的ItemsSource的DataTable的列数超过了我在DataGrid中显示的列数，这些列也被添加到打印输出中

如何仅添加流程文档可见的值

                for (int j = 0; j < row.Row.ItemArray.Length; j++)
                {
                    r.Cells.Add(new TableCell(new Paragraph(new Run(row.Row.ItemArray[j].ToString()))));

                    r.Cells.Last().ColumnSpan = 4;
                    r.Cells.Last().Padding = new Thickness(4);

                    r.Cells.Last().BorderBrush = Brushes.DarkGray;
                    r.Cells.Last().BorderThickness = new Thickness(0, 0, 1, 1);
                }

for（int j=0；j

从数据网格中拾取列时，请按可见性进行过滤

var headerList = dataGrid.Columns.Where(x=>x.Visibility == Visibility.Visible).Select(e => e.Header.ToString()).ToList();