TreeViewControl.ShowSelectionRectangle Property

Gets or sets whether to display a selection rectangle when users select multiple nodes. This is a dependency property.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v26.1.dll

Declaration

C#

public bool ShowSelectionRectangle { get; set; }

VB.NET

Public Property ShowSelectionRectangle As Boolean

Property Value

Type	Description
Boolean	true to display the selection rectangle when users select multiple nodes; otherwise, false.

Remarks

When the ShowSelectionRectangle property is true, users can drag a rectangle to select multiple nodes.

[NOTE] To enable the selection rectangle, set the ShowSelectionRectangle property to true, and the SelectionMode property to Row or Cell. The ShowSelectionRectangle property is ignored if the SelectionMode is set to MultipleRow.

Use the SelectionRectangleStyle to customize the appearance of the selection rectangle.

Example: Enable a Selection Rectangle

The following example displays a rectangle when a user selects multiple nodes:

XAML

<dx:ThemedWindow x:Class="TreeViewControlApp.MainWindow"
                 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                 xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
                 xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
                 Title="TreeViewControl Demo" Height="450" Width="600">
        <dxg:TreeViewControl x:Name="tree"
                             ChildNodesPath="Employees"
                             TreeViewFieldName="Name"
                             SelectionMode="Row"
                             ShowSelectionRectangle="True"/>
</dx:ThemedWindow>