DiagramOptionsBehavior.AllowEmptySelection Property

Specifies whether a user can select the root item.

Namespace : DevExpress.XtraDiagram.Options

Assembly : DevExpress.XtraDiagram.v25.2.dll

NuGet Package : DevExpress.Win.Diagram

Declaration

C#
VB.NET

csharp

[DefaultValue(true)]
public virtual bool AllowEmptySelection { get; set; }

<DefaultValue(True)>
Public Overridable Property AllowEmptySelection As Boolean

Property Value

Type	Default	Description
Boolean	true

true to allow users to select the root item; otherwise, false.

Property Paths

You can access this nested property as listed below:

Object Type	Path to AllowEmptySelection
DiagramControl

.OptionsBehavior .AllowEmptySelection

Remarks

If the AllowEmptySelection property is set to false , clicking in the empty space in the canvas clears the DiagramControl.SelectedItems list. Otherwise, the DevExpress.XtraDiagram.DiagramRoot object is being selected.