PopupBaseEdit.PopupOpening Event

Occurs before the editor’s dropdown (popup window) is opened.

Namespace: DevExpress.Xpf.Editors

Assembly: DevExpress.Xpf.Core.v24.1.dll

NuGet Package: DevExpress.Wpf.Core

Declaration

C#

public event OpenPopupEventHandler PopupOpening

VB.NET

Public Event PopupOpening As OpenPopupEventHandler

Event Data

The PopupOpening event's data class is DevExpress.Xpf.Editors.OpenPopupEventArgs.

Remarks

After the dropdown has been shown, the editor fires the PopupBaseEdit.PopupOpened event.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the PopupOpening event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

XAML

mvvm-application-with-wpf-bars/CS/Bars_in_MVVM_Application/MainWindow.xaml#L81

AllowDefaultButton="False" EditValue="{Binding Tags}"
PopupOpening="{DXEvent Handler='@args.Cancel = true;'}"
ItemsSource="{dxe:EnumItemsSource EnumType={x:Type local:Tag}}">

VB.NET

wpf-pivot-grid-implement-a-custom-filter-popup/VB/DXPivotGrid_CustomFilterPopup/CustomFilterEdit.vb#L24

Public Sub New()
    AddHandler Me.PopupOpening, AddressOf PivotGridRadioFilter_PopupOpening
    AddHandler Me.PopupClosed, AddressOf PivotGridRadioFilter_PopupClosed