Tree Line

Tree lines link expand buttons and nodes, emphasizing levels in a tree structure.

The table below lists the main properties that relate to tree lines.

Visibility	The TreeList control’s OptionsView.TreeLineStyle property. For root level nodes, the TreeList control’s OptionsView.ShowRoot property.
Appearance	The TreeList control’s OptionsView.TreeLineStyle and OptionsView.TreeLineColor properties.
Custom Draw Event	The TreeList control’s OnCustomDrawIndentCell event.
HitTest Information	The TreeList control’s HitTest.HitAtIndent and HitTest.HitAtNode property.