Delegate used to select the group style as a function of the parent group and its level.
Assembly: PresentationFramework (in PresentationFramework.dll)
Public Delegate Function GroupStyleSelector ( group As CollectionViewGroup, level As Integer ) As GroupStyle
Group whose style is to be selected.
Level of the group.
Return ValueType: System.Windows.Controls.GroupStyle
The appropriate group style.
Available since 3.0