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Gets or sets the cell decoration. SpreadJS only.
ICellDecoration Decoration { get; set; }
Property Decoration As ICellDecoration
ICornerFold cornerFold = new CornerFold(Color.Red, CornerPosition.LeftTop, 8);
IRange range = worksheet.Range["A1"];
range.Decoration = new CellDecoration(cornerFold);
ICellDecoration decoration = range.Decoration;