HSSFFont font = workbook.CreateFont(); font.Boldweight = (short)FontBoldWeight.Bold; font.FontName = "Arial"; font.FontHeightInPoints = 12;
HSSFFont font = workbook.CreateFont(); font.Color = HSSFColor.Red.Index; font.IsItalic = true;
HSSFFont font = workbook.CreateFont(); font.Underline = (byte)FontUnderlineType.Single;Overall, the HSSFWorkbook package from NPOI is a powerful library for manipulating Excel files in C#, and its CreateFont method can be used to customize fonts for use in Excel cells.