IShapeProperties.ShapeFill Property
Fill of the shape, for xlsx shapes (even those which are saved in xls files). This property has a more complete description of the fill style than the one you can get by querying ShapeOptions, but will be null for xls files saved by Excel 2003 or earlier.
Syntax
Unit: FlexCel.Core
property IShapeProperties.ShapeFill: IShapeFill
See also