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.v24.2.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

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

VB.NET

<ExtensionAttribute>
Public Shared Sub CustomizeViewItemControl(Of T As ViewItem)(
    view As DetailView,
    controller As Controller,
    customizeAction As Action(Of T),
    ParamArray viewItemsId As String()
)

Parameters

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
T	The type of View Items.

Remarks

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

C#

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

VB.NET

Imports DevExpress.ExpressApp
Imports DevExpress.ExpressApp.Win.Editors
' ...
Public Class CustomizeDateEditorController
    Inherits ObjectViewController(Of DetailView, DemoTask)
    Protected Overrides Sub OnActivated()
        MyBase.OnActivated()
        View.CustomizeViewItemControl(Of DatePropertyEditor)(Me, AddressOf CustomizeDateEditor, nameof(DemoTask.StartDate), nameof(DemoTask.DueDate))
    End Sub
    Private Sub CustomizeDateEditor(ByVal propertyEditor As DatePropertyEditor)
        propertyEditor.Control.Properties.ShowWeekNumbers = True
    End Sub
End Class

The following image demonstrates how this Controller affects the UI.

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