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Gets the IBorders collection that represents the borders of a style.
Use this property to access and modify the border settings stored in the style.
IBorders Borders { get; }
ReadOnly Property Borders As IBorders
IStyle style = workbook.Styles.Add("borderStyle");
style.Borders.LineStyle = BorderLineStyle.DashDot;
worksheet.Range["A1"].Style = style;
IBorders borders = style.Borders;