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.NET Framework 4.5.2+

DetailViewExtensions.CustomizeViewItemControl<T>(DetailView, Controller, Action<T>, String[]) Method

Allows you to access and customize controls of specified View Items.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v23.1.dll

NuGet Package: DevExpress.ExpressApp


public static void CustomizeViewItemControl<T>(
    this DetailView view,
    Controller controller,
    Action<T> customizeAction,
    params string[] viewItemsId
    where T : ViewItem


Name Type Description
view DetailView

A DetailView that contains the specified View Items.

controller Controller

A Controller to customize controls of the specified View Items.

customizeAction Action<T>

A method to customize controls of the specified View Items.

viewItemsId String[]

Identifiers of View Items.

Type Parameters

Name Description

The type of View Items.


The following code shows how to use this method to customize controls of the StartDate and DueDate Date Property Editors.

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Win.Editors;
// ...
public class CustomizeDateEditorController : ObjectViewController<DetailView, DemoTask> {
    protected override void OnActivated() {
        View.CustomizeViewItemControl<DatePropertyEditor>(this, CustomizeDateEditor, nameof(DemoTask.StartDate), nameof(DemoTask.DueDate));
    private void CustomizeDateEditor(DatePropertyEditor propertyEditor) {
        propertyEditor.Control.Properties.ShowWeekNumbers = true;

The following image demonstrates how this Controller affects the UI.

You can find the View Item’s identifier in the Model Editor.

See Also