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.NET Framework 4.5.2+

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

Allows you to access controls of View Items the specified Detail View contains.

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
    where T : ViewItem


Name Type Description
view DetailView

A DetailView that contains the View Items whose controls the customizeAction method customizes.

controller Controller

A Controller to customize controls of View Items.

customizeAction Action<T>

A method to customize controls 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 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);
    private void CustomizeDateEditor(DatePropertyEditor propertyEditor) {
        propertyEditor.Control.Properties.ShowWeekNumbers = true;

The following image demonstrates how this Controller affects the UI.

See Also