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.v20.1.dll

Declaration

[XtraSerializableProperty]
public virtual bool ShowFirstLines { get; set; }
<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
GanttControl
.OptionsView.ShowFirstLines
ResourcesTree
.OptionsView.ShowFirstLines
TreeList
.OptionsView.ShowFirstLines
Reporting XRDesignFieldList
.OptionsView.ShowFirstLines
XRDesignFieldList
.OptionsView.ShowFirstLines
XRDesignReportExplorer
.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.

TreeListOptionsView_ShowFirstLines_True

Set the ShowFirstLines property to false to hide these gridlines.

TreeListOptionsView_ShowFirstLines_False

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

See Also