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Gets the IFloor object that represents the floor of a 3-D chart.
Use this property to access floor-specific formatting and thickness settings for a 3-D chart.
IFloor Floor { get; }
ReadOnly Property Floor As IFloor
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered3D, 20, 20, 300, 200).Chart;
IFloor floor = chart.Floor;
floor.Thickness = 120;