BarPopupBase.Opening Event

Fires when the BarPopupBase object is about to be opened. Allows you to cancel the operation.

Namespace: DevExpress.Xpf.Bars

Assembly: DevExpress.Xpf.Core.v19.2.dll

Declaration

C#

public event CancelEventHandler Opening

VB.NET

Public Event Opening As CancelEventHandler

Event Data

The Opening event's data class is CancelEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled.

Remarks

To prevent the BarPopupBase object from being displayed, set the event’s Cancel parameter to true.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the Opening 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.

C#

wpf-charts-show-a-context-menu-for-chart-elements/CS/WpfApplication14/MainWindow.xaml#L12

<dxb:BarManager.DXContextMenu>
    <dxb:PopupMenu Opening="PopupMenu_Opening"  >
        <dxb:PopupMenu.Items>