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Gets or sets the depth of a 3-D chart as a percentage of the chart width.
This property applies to 3-D charts. The returned value is between 20 and 2000 percent.
int DepthPercent { get; set; }
Property DepthPercent As Integer
IChart chart = worksheet.Shapes.AddChart(ChartType.Column3D, 20, 20, 300, 200).Chart;
chart.DepthPercent = 150;
int depthPercent = chart.DepthPercent;