TreeListOptionsSelection.MultiSelect Property

Gets or sets whether multiple nodes can be selected.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v20.2.dll

NuGet Package: DevExpress.Win.TreeList

Declaration

C#

[DefaultValue(false)]
[XtraSerializableProperty]
public virtual bool MultiSelect { get; set; }

VB.NET

<DefaultValue(False)>
<XtraSerializableProperty>
Public Overridable Property MultiSelect As Boolean

Property Value

Type	Default	Description
Boolean	**false**	true to allow multiple nodes to be selected; otherwise, false.

Property Paths

You can access this nested property as listed below:

Library	Object Type	Path to MultiSelect
WinForms Controls	GanttControl	.OptionsSelection .MultiSelect
	ResourcesTree	.OptionsSelection .MultiSelect
	TreeList	.OptionsSelection .MultiSelect
Reporting	XRDesignFieldList	.OptionsSelection .MultiSelect
	XRDesignReportExplorer	.OptionsSelection .MultiSelect

Remarks

For information on how multiple nodes can be selected by end-users and in code, see the Selecting Nodes and Node Selection documents.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the MultiSelect 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#

how-to-draw-the-selection-rectangle-in-the-treelist-e1223/CS/Q144234/MyTreeList.cs#L16

OptionsSelection.EnableAppearanceFocusedCell = false;
OptionsSelection.MultiSelect = true;
OptionsView.FocusRectStyle = DrawFocusRectStyle.None;

how-to-allow-multiple-nodes-to-be-dragged-and-dropped-outside-the-treelist-e853/CS/Sample/Form1.cs#L25

treeList1.OptionsBehavior.SmartMouseHover = false;
treeList1.OptionsSelection.MultiSelect = true;

how-to-select-all-the-treelist-nodes-and-copy-the-text-of-the-cells-to-the-clipboard-e641/CS/Form1.cs#L110

    new DevExpress.XtraTreeList.Design.XViews(treeList1);
    treeList1.OptionsSelection.MultiSelect = true;
}

how-to-modify-the-default-checking-nodes-behavior-in-the-treelist-control-t590828/CS/Example/TreeListCheckHelper.cs#L13

{
    treeList.OptionsSelection.MultiSelect = true;
    treeList.OptionsView.ShowCheckBoxes = true;

how-to-embed-a-checkbox-into-a-column-header-and-handle-clicks-on-it-e1327/CS/CheckBoxInColumnHeader/Form1.cs#L25

new DevExpress.XtraTreeList.Design.XViews(treeList1);
treeList1.OptionsSelection.MultiSelect = true;

VB.NET

how-to-draw-the-selection-rectangle-in-the-treelist-e1223/VB/Q144234/MyTreeList.vb#L14

OptionsSelection.EnableAppearanceFocusedCell = False
OptionsSelection.MultiSelect = True
OptionsView.FocusRectStyle = DrawFocusRectStyle.None

how-to-allow-multiple-nodes-to-be-dragged-and-dropped-outside-the-treelist-e853/VB/Sample/Form1.vb#L24

treeList1.OptionsBehavior.SmartMouseHover = False
treeList1.OptionsSelection.MultiSelect = True

how-to-select-all-the-treelist-nodes-and-copy-the-text-of-the-cells-to-the-clipboard-e641/VB/Form1.vb#L110

    Dim TempXViews As DevExpress.XtraTreeList.Design.XViews = New DevExpress.XtraTreeList.Design.XViews(treeList1)
    treeList1.OptionsSelection.MultiSelect = True
End Sub

how-to-modify-the-default-checking-nodes-behavior-in-the-treelist-control-t590828/VB/Example/TreeListCheckHelper.vb#L11

Public Sub New(ByVal treeList As TreeList)
    treeList.OptionsSelection.MultiSelect = True
    treeList.OptionsView.ShowCheckBoxes = True

how-to-embed-a-checkbox-into-a-column-header-and-handle-clicks-on-it-e1327/VB/CheckBoxInColumnHeader/Form1.vb#L27

Dim tempVar As New DevExpress.XtraTreeList.Design.XViews(treeList1)
treeList1.OptionsSelection.MultiSelect = True