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V24.2

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PdfViewer.AnnotationChanged Event

Fires after an annotation has been changed.

Namespace: DevExpress.XtraPdfViewer

Assembly: DevExpress.XtraPdfViewer.v24.2.dll

NuGet Package: DevExpress.Win.PdfViewer

#Declaration

public event PdfAnnotationChangedEventHandler AnnotationChanged

#Event Data

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

Property Description
Annotation Obtains the changed annotation.

#Remarks

The PdfAnnotationChangedEventArgs.Annotation property gets the changed annotation. Use the PdfViewerAnnotationExtensions class methods to obtain the specific type of annotation.

The code sample below shows how to check whether the markup annotation of a specific author was changed:

private void PdfViewer_MarkupAnnotationChanged(object sender,
PdfAnnotationChangedEventArgs e)
{
    if (e.Annotation.Type == PdfAnnotationType.TextMarkup
    || e.Annotation.Type == PdfAnnotationType.Text)
    {
        IPdfViewerMarkupAnnotation annotation =
         e.Annotation.AsMarkupAnnotation();
        if (annotation.Author == "Brian Zetc")
            MessageBox.Show("The main editor's annotation is changed");
    }
}
See Also