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Gets or sets the height of a 3-D chart as a percentage of the chart width.
The returned value is between 5 and 500 percent.
int HeightPercent { get; set; }
Property HeightPercent As Integer
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered3D, 20, 20, 300, 200).Chart;
chart.HeightPercent = 150;
int heightPercent = chart.HeightPercent;