IAnchorInfo Interfaz

Definición

Proporciona las capacidades necesarias para hacer coincidir las anotaciones con los objetos anotados correspondientes.Provides the capabilities for matching annotations with the corresponding annotated objects.

public interface class IAnchorInfo
public interface IAnchorInfo
type IAnchorInfo = interface
Public Interface IAnchorInfo

Ejemplos

Considere una aplicación de lector de documentos simple que tenga un panel de comentarios.Consider a simple document reader application that has a comments pane. El panel de comentarios podría ser un cuadro de lista que muestra el texto de una lista de anotaciones ancladas a un documento.The comments pane might be a list box that displays the text from a list of annotations that are anchored to a document. Si el usuario selecciona un elemento en el cuadro de lista, la aplicación muestra el párrafo del documento al que está anclado el objeto de anotación correspondiente.If the user selects an item in the list box, then the application brings into view the paragraph in the document that the corresponding annotation object is anchored to.

En el ejemplo siguiente se muestra cómo implementar el controlador de eventos de un cuadro de lista que actúa como panel de comentarios:The following example demonstrates how to implement the event handler of such a list box that serves as the comments pane:

void annotationsListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{

    Annotation comment = (sender as ListBox).SelectedItem as Annotation;
    if (comment != null)
    {
        // IAnchorInfo info;
        // service is an AnnotationService object
        // comment is an Annotation object
        info = AnnotationHelper.GetAnchorInfo(this.service, comment);
        TextAnchor resolvedAnchor = info.ResolvedAnchor as TextAnchor;
        TextPointer textPointer = (TextPointer)resolvedAnchor.BoundingStart;
        textPointer.Paragraph.BringIntoView();
    }
}
Private Sub annotationsListBox_SelectionChanged(ByVal sender As Object, ByVal e As SelectionChangedEventArgs)

    Dim comment As Annotation = TryCast((TryCast(sender, ListBox)).SelectedItem, Annotation)
    If comment IsNot Nothing Then
        ' service is an AnnotationService object
        ' comment is an Annotation object
        info = AnnotationHelper.GetAnchorInfo(Me.service, comment)
        Dim resolvedAnchor As TextAnchor = TryCast(info.ResolvedAnchor, TextAnchor)
        Dim textPointer As TextPointer = CType(resolvedAnchor.BoundingStart, TextPointer)
        textPointer.Paragraph.BringIntoView()
    End If
End Sub

Propiedades

Anchor

Obtiene el delimitador de la anotación.Gets the anchor of the annotation.

Annotation

Obtiene el objeto de anotación.Gets the annotation object.

ResolvedAnchor

Obtiene el objeto que representa la ubicación del árbol donde se resuelve Anchor.Gets the object that represents the location on the tree where the Anchor is resolved.

Se aplica a

Consulte también