'Declaration Public ReadOnly Property RangeGroupLevels As Integer
'Usage Dim instance As Columns Dim value As Integer value = instance.RangeGroupLevels
public int RangeGroupLevels {get;}
fpSpread1.ActiveSheet.Columns.AddRangeGroup(1, 3); listBox1.Items.Add(fpSpread1.ActiveSheet.Columns.RangeGroupLevels);
fpSpread1.ActiveSheet.Columns.AddRangeGroup(1, 3) ListBox1.Items.Add(fpSpread1.ActiveSheet.Columns.RangeGroupLevels)
Columns Class Columns Members