[]
Gets or sets the group index of the data point to attach a label when the label AttachMethod property specifies DataIndex attachment. For 2D charts only (for 3D charts, there is only one chart group).
[C1Description("ChartAttachMethodData.GroupIndex", "The group index of the data point to attach a label when the label AttachMethod property specifies DataIndex attachment.")]
public int GroupIndex { get; set; }
<C1Description("ChartAttachMethodData.GroupIndex", "The group index of the data point to attach a label when the label AttachMethod property specifies DataIndex attachment.")>
Public Property GroupIndex As Integer