DiagramOptionsBehavior.AllowEmptySelection Property

Specifies whether a user can select the root item.

Namespace: DevExpress.XtraDiagram.Options

Assembly: DevExpress.XtraDiagram.v23.2.dll

NuGet Package: DevExpress.Win.Diagram

Declaration

C#

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

VB.NET

<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.