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V24.2

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PdfViewer.AnnotationChanging Event

Fires before the annotation is changed.

Namespace: DevExpress.XtraPdfViewer

Assembly: DevExpress.XtraPdfViewer.v24.2.dll

NuGet Package: DevExpress.Win.PdfViewer

#Declaration

public event PdfAnnotationChangingEventHandler AnnotationChanging

#Event Data

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

Property Description
Cancel Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.
NewAnnotation Returns an annotation’s new property values.
OldAnnotation Returns an annotation’s previous property values.

#Remarks

The code sample below prohibits changing annotations of a specific author:

using DevExpress.XtraPdfViewer;

private void PdfViewer_AnnotationChanging(object sender, PdfAnnotationChangingEventArgs e)
{
    if (e.OldAnnotation.Author == "Cardle Anita L") { e.Cancel = true; }
}
See Also