Preview

• Apr 02, 2024

A node preview section is a non-editable area that enables end-users to view large pieces of information provided by a node.

The table below lists the main properties that relate to preview sections.

Visibility	The TreeList control’s Preview.Visible property.
Appearance	The TreeList control’s Styles.Preview property. To dynamically customize style settings, handle the TreeList control’s Styles.OnGetPreviewStyle event.
Custom Draw Event	The TreeList control’s OnCustomDrawPreviewCell event.
Layout	The TreeList control’s Preview.Place, Preview.LeftIndent, and Preview.RightIndent properties.
Contents	The TreeList control’s Preview.Column, Preview.MaxLineCount and Preview.AutoHeight properties.
HitTest Information	The TreeList control’s HitTest.HitAtNodePreview and HitTest.HitAtNode properties.