public class Font : Xceed.Workbooks.NET.StyleBase<IReadonlyFont>, IReadonlyFont  

using( var workbook = Workbook.Create( "test.xlsx" ) )

 {

   // Get the first worksheet. A workbook contains at least 1 worksheet.

   var cellWorksheet = workbook.Worksheets[ 0 ];



   // Add a title.

   cellWorksheet.Cells[ "B1" ].Value = "Set Fonts";

   cellWorksheet.Cells[ "B1" ].Style.Font = new Font() { Bold = true, Size = 15.5d };



   // Set cell content and Font styles.

   cellWorksheet.Cells[ "C5" ].Value = "Bold, Italic and Underline";

   cellWorksheet.Cells[ "C5" ].Style.Font = new Font() { Bold = true, Italic = true, Underline = true, UnderlineType = UnderlineType.Double };



   cellWorksheet.Cells[ "C8" ].Value = "Bold and red Broadway";

   cellWorksheet.Cells[ "C8" ].Style.Font.Bold = true;

   cellWorksheet.Cells[ "C8" ].Style.Font.Color = System.Drawing.Color.Red;

   cellWorksheet.Cells[ "C8" ].Style.Font.Name = "Broadway";



   cellWorksheet.Cells[ "C12" ].Value = "Strikethrough and size 18";

   cellWorksheet.Cells[ "C12" ].Style.Font = new Font() { Strikethrough = true, Size = 18d };



   cellWorksheet.Cells[ "C15" ].Value = "Superscript";

   cellWorksheet.Cells[ "C15" ].Style.Font = new Font() { Superscript = true };



   cellWorksheet.Cells[ "D15" ].Value = "Subscript";

   cellWorksheet.Cells[ "D15" ].Style.Font = new Font() { Subscript = true };



   // Add a second worksheet for rows.

   var rowWorksheet = workbook.Worksheets.Add( "Rows" );



   // Set row content and font.

   rowWorksheet.Cells[ 5, 3 ].Value = "Setting row font to Elephant and Orange";

   rowWorksheet.Cells[ 5, 11 ].Value = "Another content";

   rowWorksheet.Rows[ 5 ].Style.Font = new Font() { Name = "Elephant", Color = System.Drawing.Color.Orange };



   // Add a third worksheet for column.

   var columnWorksheet = workbook.Worksheets.Add( "Columns" );



   // Set column content and font.

   columnWorksheet.Cells[ 5, 5 ].Value = "Setting column font to Lucida, Underline and Italic";

   columnWorksheet.Cells[ 11, 5 ].Value = "Another content";

   columnWorksheet.Columns[ 5 ].Style.Font = new Font() { Name = "Lucida Fax", Italic = true, Underline = true, UnderlineType = UnderlineType.Double };



   // Save workbook to disk.

   workbook.Save();

 }