EnumItemsSourceBehavior Class

Binds a control’s ItemsSource property to an enumeration.

Namespace: DevExpress.Mvvm.UI

Assembly: DevExpress.Xpf.Core.v21.2.dll

Declaration

C#

[TargetType(typeof(ListBoxEdit))]
[TargetType(typeof(ItemsControl))]
[TargetType(typeof(LookUpEditBase))]
public class EnumItemsSourceBehavior :
    Behavior<FrameworkElement>

VB.NET

<TargetType(GetType(ItemsControl))>
<TargetType(GetType(ListBoxEdit))>
<TargetType(GetType(LookUpEditBase))>
Public Class EnumItemsSourceBehavior
    Inherits Behavior(Of FrameworkElement)

Remarks

You can use any of the following attributes with enumeration members:

• DevExpress.Mvvm.DataAnnotations
• System.ComponentModel.DataAnnotations

The following code sample assigns the UserRole enumeration to the ComboBoxEdit‘s ItemsSource property:

MainView.xaml

<UserControl ...
    xmlns:dxmvvm="http://schemas.devexpress.com/winfx/2008/xaml/mvvm"
    xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors">
    <Grid>
        <dxe:ComboBoxEdit>
            <dxmvvm:Interaction.Behaviors>
                <dxmvvm:EnumItemsSourceBehavior EnumType="{x:Type common:UserRole}"/>
            </dxmvvm:Interaction.Behaviors>
        </dxe:ComboBoxEdit>
    </Grid>
</UserControl>

MainViewModel.cs

public enum UserRole {
    [Image("pack://application:,,,/Images/Admin.png"), Display(Name = "Admin", Description = "High level of access", Order = 1)]
    Administrator,
    [Image("pack://application:,,,/Images/Moderator.png"), Display(Name = "Moderator", Description = "Average level of access", Order = 2)]
    Moderator,
    [Image("pack://application:,,,/Images/User.png"), Display(Name = "User", Description = "Low level of access", Order = 3)]
    User
}

MainViewModel.vb

Public Enum UserRole
    <Image("pack://application:,,,/Images/Admin.png"), Display(Name := "Admin", Description := "High level of access", Order := 1)> _
    Administrator
    <Image("pack://application:,,,/Images/Moderator.png"), Display(Name := "Moderator", Description := "Average level of access", Order := 2)> _
    Moderator
    <Image("pack://application:,,,/Images/User.png"), Display(Name := "User", Description := "Low level of access", Order := 3)> _
    User
End Enum

View Example

Inheritance

Object

DispatcherObject

DependencyObject

Freezable

Animatable

DevExpress.Mvvm.UI.Interactivity.AttachableObjectBase

DevExpress.Mvvm.UI.Interactivity.Behavior

DevExpress.Mvvm.UI.Interactivity.Behavior<FrameworkElement>

EnumItemsSourceBehavior