TreeListOptionsView.ShowFirstLines Property

Gets or sets whether the tree list displays the nearest (leftmost) vertical gridlines in the column that displays the node expand buttons.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v19.2.dll

Declaration

C#

[XtraSerializableProperty]
public virtual bool ShowFirstLines { get; set; }

VB.NET

<XtraSerializableProperty>
Public Overridable Property ShowFirstLines As Boolean

Property Value

Type	Description
Boolean	true, to display the nearest vertical gridlines; otherwise, false.

Property Paths

You can access this nested property as listed below:

Library	Object Type	Path to ShowFirstLines
WinForms Controls	GanttControl	.OptionsView.ShowFirstLines
	ResourcesTree	.OptionsView.ShowFirstLines
	TreeList	.OptionsView.ShowFirstLines
Reporting	XRDesignFieldList	.OptionsView.ShowFirstLines
	XRDesignReportExplorer	.OptionsView.ShowFirstLines

Remarks

By default, in the column that displays the node expand buttons, the tree list displays the nearest (leftmost in left-to-right oriented layouts) vertical gridlines, as in the figure below.

Set the ShowFirstLines property to false to hide these gridlines.

To specify the column that displays the node expand buttons, use the TreeList.HierarchyColumn or TreeList.HierarchyFieldName property.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ShowFirstLines property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

custom-treelist-how-to-create-a-custom-treelist-so-it-has-no-indents-and-buttons-e3176/CS/WindowsApplication3/MyTreeList.cs#L16

this.OptionsView.ShowIndicator = false;
this.OptionsView.ShowFirstLines = false;
this.OptionsView.ShowVertLines = false;

VB.NET

custom-treelist-how-to-create-a-custom-treelist-so-it-has-no-indents-and-buttons-e3176/VB/WindowsApplication3/MyTreeList.vb#L16

Me.OptionsView.ShowIndicator = False
Me.OptionsView.ShowFirstLines = False
Me.OptionsView.ShowVertLines = False