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PdfViewerControl.AnnotationLostFocus Event

Occurs when an annotation loses input focus.

Namespace: DevExpress.Xpf.PdfViewer

Assembly: DevExpress.Xpf.PdfViewer.v20.2.dll

Declaration

public event PdfAnnotationLostFocusEventHandler AnnotationLostFocus
Public Event AnnotationLostFocus As PdfAnnotationLostFocusEventHandler

Event Data

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

Property Description
Annotation Gets the annotation that got focus.
Handled Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs.
OriginalSource Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
RoutedEvent Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs.
Source Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs.

The event data class exposes the following methods:

Method Description
InvokeEventHandler(Delegate, Object) When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs.
OnSetSource(Object) When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs.

Remarks

When a markup annotation receives focus, the PdfViewer.AnnotationGotFocus event is raised.

The PdfAnnotationGotFocusEventArgs.Annotation property gets the target annotation. Use the DevExpress.Pdf.PdfViewerAnnotationExtensions class methods to obtain a specific type of annotation.

See Also