C#  Copy Code
public HeaderCollection SubHeaders { get; }

Visual Basic  Copy Code
Public ReadOnly Property SubHeaders As HeaderCollection

 Property Value

Adding SubHeaders to a row header creates child rows controlled through the same parent header. In the same way you can add child columns to a column by adding SubHeaders to the column header.

Header Members
Header Class
MindFusion.Diagramming.Wpf.Lanes Namespace