PdfViewerControl.FileAttachmentOpening Event

Occurs when an attachment is opening in the Attachments panel and allows you to manage the attachment opening behavior.

Namespace: DevExpress.UI.Xaml.Controls

Assembly: DevExpress.UI.Xaml.Controls.v19.2.dll


public event EventHandler<PdfFileAttachmentOpeningEventArgs> FileAttachmentOpening
Public Event FileAttachmentOpening As EventHandler(Of PdfFileAttachmentOpeningEventArgs)

Event Data

The FileAttachmentOpening event handler receives an argument of the DevExpress.UI.Xaml.Controls.PdfFileAttachmentOpeningEventArgs type.


Set the e.Cancel event's property to true to prevent the attachment from loading. Set the e.Handled property to true to hide the Security Warning message box.

See Also