[]
Gets or sets whether Excel automatically calculates the major unit for the value axis.
This property is true when the major unit is determined automatically by Excel, and false when a custom major unit is used.
bool MajorUnitIsAuto { get; set; }
Property MajorUnitIsAuto As Boolean
worksheet.Range["A1:B3"].Value = new object[,] {
{"Month", "Sales"},
{"Jan", 10},
{"Feb", 25}
};
IChart chart = worksheet.Shapes.AddChart(ChartType.ColumnClustered, 20, 20, 360, 220).Chart;
chart.SeriesCollection.Add(worksheet.Range["A1:B3"], RowCol.Columns, true, true);
IAxis axis = chart.Axes.Item(AxisType.Value, AxisGroup.Primary);
axis.MajorUnitIsAuto = true;
bool isAuto = axis.MajorUnitIsAuto;