[]
Gets the borders for this table style element.
Use the returned IBorders object to access or modify the border settings applied to the current table style element.
IBorders Borders { get; }
ReadOnly Property Borders As IBorders
ITableStyle tableStyle = workbook.TableStyles.Add("CustomTableStyle");
ITableStyleElement element = tableStyle.TableStyleElements[TableStyleElementType.HeaderRow];
IBorders borders = element.Borders;
borders[BordersIndex.EdgeBottom].LineStyle = BorderLineStyle.Thin;