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Gets or sets the type of minor tick mark for the specified axis.
Use this property to determine whether minor tick marks are displayed inside the axis, outside the axis, across the axis, or not displayed.
TickMark MinorTickMark { get; set; }
Property MinorTickMark As TickMark
worksheet.Range["A1:B3"].Value = new object[,] {
{"Month", "Sales"},
{"Jan", 120},
{"Feb", 150}
};
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.MinorTickMark = TickMark.Inside;
TickMark tickMark = axis.MinorTickMark;