'Declaration
<DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Content)> <C1DescriptionAttribute("Axis.GroupStyle", "Gets the axis group style.")> Public ReadOnly Property GroupStyle As ChartStyle
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] [C1Description("Axis.GroupStyle", "Gets the axis group style.")] public ChartStyle GroupStyle {get;}