wpf-devexpress-dot-xpf-dot-editors-dot-popupbaseedit-413fa1ba.md
Occurs before the editor’s dropdown (popup window) is opened.
Namespace : DevExpress.Xpf.Editors
Assembly : DevExpress.Xpf.Core.v25.2.dll
NuGet Package : DevExpress.Wpf.Core
public event OpenPopupEventHandler PopupOpening
Public Event PopupOpening As OpenPopupEventHandler
The PopupOpening event's data class is DevExpress.Xpf.Editors.OpenPopupEventArgs.
After the dropdown has been shown, the editor fires the PopupBaseEdit.PopupOpened event.
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.
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}}">
Public Sub New()
AddHandler Me.PopupOpening, AddressOf PivotGridRadioFilter_PopupOpening
AddHandler Me.PopupClosed, AddressOf PivotGridRadioFilter_PopupClosed
See Also