Enumeration Properties

• Jul 11, 2024
• 2 minutes to read

In XAF, a combo box with text entries displays enumeration properties. The EnumDescriptor class gets images and localized item captions for the Property Editor. Refer to the following topic for implementation details: How to: Set Images and Captions for Enumeration Values.

Refer to the following topics for more information on enumeration properties related to your ORM:

• Enumeration Properties in XPO
• Enumeration Properties in EF Core

ASP.NET Core Blazor

In ASP.NET Core Blazor, BlazorPropertyEditorBase.ComponentModel returns an IComponentModel descendant that wraps properties and events of a corresponding ASP.NET Core Blazor Editor.

Property Editor	Component Model	Component
EnumPropertyEditor	DevExpress.ExpressApp.Blazor.Components.Models.DxComboBoxModel<TData, TValue>	DxComboBox<TData, TValue>

Windows Forms

Each Windows Forms Property Editor is available in two forms:

• A standalone control (displays property value in a Detail View)
• A repository item (displays property value in a List Editor that supports in-place editing)

Property Editor	Control	Repository Item	Description
EnumPropertyEditor	EnumEdit (an ImageComboBoxEdit descendant).	RepositoryItemEnumEdit (a RepositoryItemButtonEdit descendant).	Used for enumeration type properties. Press Alt + Down Arrow to expand the EnumEdit drop-down window. In this window, you can see items that consist of a caption and an image.
EnumIntPropertyEditor<TEnum>	EnumIntEdit (an ImageComboBoxEdit descendant).	RepositoryItemEnumIntEdit (a RepositoryItemImageComboBox descendant).	Used to display integer properties as enumerations. Refer to the following topic for more information: How to: Display an Integer Property as an Enumeration.

ASP.NET Web Forms

Each ASP.NET Web Forms Property Editor includes controls that display a property in a Detail View in View and Edit mode.

Property Editor	Description
ASPxEnumPropertyEditor	Used for enumeration type properties. The View mode uses the System.Web.UI.WebControls.Label class. The Edit mode uses the ASPxComboBox editor for which you can specify images for combo box items. Press Alt + Down Arrow to expand the editor’s drop-down window.
ASPxEnumIntPropertyEditor<TEnum>	The base class for Property Editors used to display integer properties as enumerations. View mode uses the System.Web.UI.WebControls.Label class. Edit mode uses the ASPxComboBox editor. You cannot directly assign this Property Editor in the Model Editor. Refer to the following topic for more information: How to: Display an Integer Property as an Enumeration.