XpsDocument.FixedDocumentSequenceReader Propiedad
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Obtiene una interfaz IXpsFixedDocumentSequenceReader para leer el documento.
public:
property System::Windows::Xps::Packaging::IXpsFixedDocumentSequenceReader ^ FixedDocumentSequenceReader { System::Windows::Xps::Packaging::IXpsFixedDocumentSequenceReader ^ get(); };
public System.Windows.Xps.Packaging.IXpsFixedDocumentSequenceReader FixedDocumentSequenceReader { get; }
member this.FixedDocumentSequenceReader : System.Windows.Xps.Packaging.IXpsFixedDocumentSequenceReader
Public ReadOnly Property FixedDocumentSequenceReader As IXpsFixedDocumentSequenceReader
Valor de propiedad
Interfaz IXpsFixedDocumentSequenceReader para leer el documento.
Ejemplos
En el ejemplo siguiente se muestra cómo obtener un FixedDocumentSequenceReader para obtener acceso FixedDocument a los elementos de un XpsDocumentobjeto .
ShowStatus(" Getting FixedDocumentSequenceReader.");
IXpsFixedDocumentSequenceReader fixedDocSeqReader =
xpsDocument.FixedDocumentSequenceReader;
ShowStatus(" Getting FixedDocumentReaders.");
ICollection<IXpsFixedDocumentReader> fixedDocuments =
fixedDocSeqReader.FixedDocuments;
ShowStatus(" Getting FixedPageReaders.");
IEnumerator<IXpsFixedDocumentReader> enumerator =
fixedDocuments.GetEnumerator();
enumerator.MoveNext();
ICollection<IXpsFixedPageReader> fixedPages =
enumerator.Current.FixedPages;
// Add a document structure to each fixed page.
int i = 0;
foreach (IXpsFixedPageReader fixedPageReader in fixedPages)
{
XpsResource pageStructure;
ShowStatus(" Adding page structure resource:\n '" +
Filename(_fixedPageStructures[i]) + "'");
try
{ // Add a new StoryFragment to hold the page structure.
pageStructure = fixedPageReader.AddStoryFragment();
}
catch (System.InvalidOperationException)
{
MessageBox.Show(xpsUnstructuredFile +
"\n\nDocument structure cannot be added.\n\n" +
Filename(xpsUnstructuredFile) + " might already " +
"contain an existing document structure.",
"Cannot Add Document Structure",
MessageBoxButton.OK, MessageBoxImage.Error);
break;
}
// Copy the page structure to the new StoryFragment.
WriteResource(pageStructure, _fixedPageStructures[i++]);
}
ShowStatus(" Saving and closing the new document.\n");
xpsDocument.Close();
ShowStatus(" Getting FixedDocumentSequenceReader.")
Dim fixedDocSeqReader As IXpsFixedDocumentSequenceReader = xpsDocument.FixedDocumentSequenceReader
ShowStatus(" Getting FixedDocumentReaders.")
Dim fixedDocuments As ICollection(Of IXpsFixedDocumentReader) = fixedDocSeqReader.FixedDocuments
ShowStatus(" Getting FixedPageReaders.")
Dim enumerator As IEnumerator(Of IXpsFixedDocumentReader) = fixedDocuments.GetEnumerator()
enumerator.MoveNext()
Dim fixedPages As ICollection(Of IXpsFixedPageReader) = enumerator.Current.FixedPages
' Add a document structure to each fixed page.
Dim i As Integer = 0
For Each fixedPageReader As IXpsFixedPageReader In fixedPages
Dim pageStructure As XpsResource
ShowStatus(" Adding page structure resource:" & vbLf & " '" & Filename(_fixedPageStructures(i)) & "'")
Try
pageStructure = fixedPageReader.AddStoryFragment()
Catch e2 As InvalidOperationException
System.Windows.MessageBox.Show(xpsUnstructuredFile & vbLf & vbLf & "Document structure cannot be added." & vbLf & vbLf & Filename(xpsUnstructuredFile) & " might already " & "contain an existing document structure.",
"Cannot Add Document Structure",
MessageBoxButton.OK,
MessageBoxImage.Error)
Exit For
End Try
' Copy the page structure to the new StoryFragment.
WriteResource(pageStructure, _fixedPageStructures(i))
i += 1
Next fixedPageReader
ShowStatus(" Saving and closing the new document." & vbLf)
xpsDocument.Close()
Comentarios
Aunque esta clase usa un nombre singular, puede XpsDocument ser un conjunto (secuencia) de uno FixedDocument o varios documentos.