Styles. Add(String, Object)
Creates a new style and adds it to the list of styles that are available for the current workbook.
public Microsoft.Office.Interop.Excel.Style Add (string Name, object BasedOn);
Public Function Add (Name As String, Optional BasedOn As Object) As Style
Optional Object. A Range object that refers to a cell that's used as the basis for the new style. If this argument is omitted, the newly created style is based on the Normal style.
If a style with the specified name already exists, this method redefines the existing style based on the cell specified in