General Information
WinForms Controls
	.NET Core Support
	Prerequisites
	What's Installed
	Build an Application
	Controls and Libraries
		Forms and User Controls
		Messages, Notifications, and Dialogs
		Editors and Simple Controls
		Ribbon, Bars and Menu
		Application UI Manager
		Docking Library
		Data Grid
		Vertical Grid
		Property Grid
		Pivot Grid
		Tree List
			Product Information
			Feature Center
			Visual Elements
				Automatic Filtering Row
				Blank Column
				Caption Panel
				Cell
				Column
				Column Button
				Column Header
				Column Header Context Menu
				Column Header Panel
				Column Separators
				Column's Filter DropDown
				Customization Form
				Empty Area
				Expand Button
				Filter Button
				Filter Editor
				Filter Panel
				Find Panel
				Fixed Line
				Footer Cell
				Footer Context Menu
				Group Footer
				Node Image
				Node Indents
				Node Indicator Panel
				Summary Footer
			Design-Time Features
			Examples
			End User Capabilities
			Member Tables
		Chart Control
		Diagrams
		Gauges
		Map Control
		Scheduler
		Spreadsheet
		Rich Text Editor
		Spell Checker
		Form Layout Managers
		Navigation Controls
		Printing-Exporting
		PDF Viewer
		Reporting
		Snap
		TreeMap Control
		Sunburst Control
	Common Features
	Get More Help
	API Reference
ASP.NET Controls and MVC Extensions
ASP.NET Bootstrap Controls
ASP.NET Core Bootstrap Controls
WPF Controls
Xamarin Controls
Windows 10 App Controls
Office File API
Reporting
Report and Dashboard Server
Dashboard
eXpressApp Framework
eXpress Persistent Objects
CodeRush
CodeRush Classic
Cross-Platform Core Libraries
Tools and Utilities
End-User Documentation

Column Separators

Column separators are vertical grid lines on both sides of a column that separate this column from others.

The table below enumerates the main element settings:

Background color	The TreeListAppearanceCollection.Separator property
Width	The TreeListColumn.SeparatorWidth and TreeListBand.SeparatorWidth properties

Is this topic helpful?