IXpsFixedPageWriter.Commit Método

Definição

Namespace:

System.Windows.Xps.Packaging

Assembly:

ReachFramework.dll

Libera e fecha o gravador de página fixa.

public:
 void Commit();

public void Commit ();

abstract member Commit : unit -> unit

Public Sub Commit ()

Exemplos

O exemplo a seguir mostra como liberar e fechar o gravador de página fixa com o Commit método.

// ------------------------- AddDocumentContent ---------------------------
/// <summary>
///   Adds a predefined set of content to a given document writer.</summary>
/// <param name="fixedDocumentWriter">
///   The document writer to add the content to.</param>
void AddDocumentContent (IXpsFixedDocumentWriter^ fixedDocumentWriter)
{
   // Collection of image and font resources used on the current page.
   //   Key: "XpsImage", "XpsFont"
   //   Value: List of XpsImage or XpsFont resources
   Dictionary<System::String^,List<XpsResource^>^>^ resources;

   try
   {
      // Add Page 1 to current document.
      IXpsFixedPageWriter^ fixedPageWriter = fixedDocumentWriter->AddFixedPage();
      // Add the resources for Page 1 and get the resource collection.
      resources = AddPageResources(fixedPageWriter);

      // Write page content for Page 1.
      WritePageContent(fixedPageWriter->XmlWriter, "Page 1 of " + fixedDocumentWriter->Uri->ToString(), resources);
      // Commit Page 1.
      fixedPageWriter->Commit();

      // Add Page 2 to current document.
      fixedPageWriter = fixedDocumentWriter->AddFixedPage();

      // Add the resources for Page 2 and get the resource collection.
      resources = AddPageResources(fixedPageWriter);

      // Write page content to Page 2.
      WritePageContent(fixedPageWriter->XmlWriter, "Page 2 of " + fixedDocumentWriter->Uri->ToString(), resources);
      // Commit Page 2.
      fixedPageWriter->Commit();
   } catch (XpsPackagingException^ xpsException)
   {
      throw xpsException;

   }
};// end:AddDocumentContent()

// ------------------------- AddDocumentContent ---------------------------
/// <summary>
///   Adds a predefined set of content to a given document writer.</summary>
/// <param name="fixedDocumentWriter">
///   The document writer to add the content to.</param>
private void AddDocumentContent(IXpsFixedDocumentWriter fixedDocumentWriter)
{
    // Collection of image and font resources used on the current page.
    //   Key: "XpsImage", "XpsFont"
    //   Value: List of XpsImage or XpsFont resources
    Dictionary<string, List<XpsResource>> resources;

    try
    {
        // Add Page 1 to current document.
        IXpsFixedPageWriter fixedPageWriter =
            fixedDocumentWriter.AddFixedPage();

        // Add the resources for Page 1 and get the resource collection.
        resources = AddPageResources(fixedPageWriter);

        // Write page content for Page 1.
        WritePageContent(fixedPageWriter.XmlWriter,
            "Page 1 of " + fixedDocumentWriter.Uri.ToString(), resources);

        // Commit Page 1.
        fixedPageWriter.Commit();

        // Add Page 2 to current document.
        fixedPageWriter = fixedDocumentWriter.AddFixedPage();

        // Add the resources for Page 2 and get the resource collection.
        resources = AddPageResources(fixedPageWriter);

        // Write page content to Page 2.
        WritePageContent(fixedPageWriter.XmlWriter,
            "Page 2 of " + fixedDocumentWriter.Uri.ToString(), resources);

        // Commit Page 2.
        fixedPageWriter.Commit();
    }
    catch (XpsPackagingException xpsException)
    {
        throw xpsException;
    }
}// end:AddDocumentContent()

' ------------------------- AddDocumentContent ---------------------------
''' <summary>
'''   Adds a predefined set of content to a given document writer.</summary>
''' <param name="fixedDocumentWriter">
'''   The document writer to add the content to.</param>
Private Sub AddDocumentContent(ByVal fixedDocumentWriter As IXpsFixedDocumentWriter)
    ' Collection of image and font resources used on the current page.
    '   Key: "XpsImage", "XpsFont"
    '   Value: List of XpsImage or XpsFont resources
    Dim resources As Dictionary(Of String, List(Of XpsResource))

    Try
        ' Add Page 1 to current document.
        Dim fixedPageWriter As IXpsFixedPageWriter = fixedDocumentWriter.AddFixedPage()

        ' Add the resources for Page 1 and get the resource collection.
        resources = AddPageResources(fixedPageWriter)

        ' Write page content for Page 1.
        WritePageContent(fixedPageWriter.XmlWriter, "Page 1 of " & fixedDocumentWriter.Uri.ToString(), resources)

        ' Commit Page 1.
        fixedPageWriter.Commit()

        ' Add Page 2 to current document.
        fixedPageWriter = fixedDocumentWriter.AddFixedPage()

        ' Add the resources for Page 2 and get the resource collection.
        resources = AddPageResources(fixedPageWriter)

        ' Write page content to Page 2.
        WritePageContent(fixedPageWriter.XmlWriter, "Page 2 of " & fixedDocumentWriter.Uri.ToString(), resources)

        ' Commit Page 2.
        fixedPageWriter.Commit()
    Catch xpsException As XpsPackagingException
        Throw xpsException
    End Try
End Sub

Comentários

Com base em configurações de XpsSerializationManager e XpsPackagingPolicy, como FontSubsetterCommitPolicies e PackageInterleavingOrder, a operação de liberação do Commit método pode ser adiada até que a conclusão XpsDocument seja fechada.