'Declaration Public Property Fill As Tuple(Of FillPatternType,IExcelColor,IExcelColor)
'Usage Dim instance As DifferentialFormatting Dim value As Tuple(Of FillPatternType,IExcelColor,IExcelColor) instance.Fill = value value = instance.Fill
public Tuple<FillPatternType,IExcelColor,IExcelColor> Fill {get; set;}