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.v23.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

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:

Object Type	Path to ShowFirstLines
TreeList	.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.