XpsDocumentWriter.WritingCompleted Evento

Definición

Espacio de nombres:

System.Windows.Xps

Ensamblado:

System.Printing.dll

Se produce cuando finaliza una operación de escritura.

public:
 override event System::Windows::Documents::Serialization::WritingCompletedEventHandler ^ WritingCompleted;

public override event System.Windows.Documents.Serialization.WritingCompletedEventHandler WritingCompleted;

member this.WritingCompleted : System.Windows.Documents.Serialization.WritingCompletedEventHandler 

Public Overrides Custom Event WritingCompleted As WritingCompletedEventHandler 

Tipo de evento

WritingCompletedEventHandler

Ejemplos

En el siguiente ejemplo se muestra cómo utilizar el evento WritingCompleted.

private void SaveMultipleFixedContentDocumentsAsync(
             XpsDocumentWriter xpsdw, FixedDocumentSequence fds)
{
    _xpsdwActive = xpsdw;

    xpsdw.WritingCompleted +=
        new WritingCompletedEventHandler(AsyncSaveCompleted);

    xpsdw.WritingProgressChanged +=
        new WritingProgressChangedEventHandler(AsyncSavingProgress);

    // Write the FixedDocumentSequence as a
    // collection of documents asynchronously.
    xpsdw.WriteAsync(fds);
}

// Cancel an async operation
public void CancelAsync()
{
    _xpsdwActive.CancelAsync();
}
#endregion // Asynchronous Save Methods

#region Async Event Handlers
//
// Create an "async operation complete" event handler
// for saving a FixedDocumentSequence
//
private void AsyncSaveCompleted(
             object sender, WritingCompletedEventArgs e)
{
    string result;
    if (e.Cancelled)          result = "Canceled";
    else if (e.Error != null) result = "Error";
    else                      result = "Asynchronous operation Completed";

    // Close the pakcage
    _xpsDocument.Close();

    if (OnAsyncSaveChange != null)
    {
        AsyncSaveEventArgs asyncInfo =
            new AsyncSaveEventArgs(result, true);
        OnAsyncSaveChange(this, asyncInfo);
    }
}

//
// Create an "async operation progress" event handler for
// monitoring the progress of saving a FixedDocumentSequence.
//
private void AsyncSavingProgress(
                object sender, WritingProgressChangedEventArgs e)
{
    _batchProgress++;

    if (OnAsyncSaveChange != null)
    {
        String progress =
            String.Format("{0} - {1}", e.WritingLevel.ToString(),
                          e.Number.ToString());
        AsyncSaveEventArgs asyncInfo =
            new AsyncSaveEventArgs(progress, false);
        OnAsyncSaveChange(this, asyncInfo);
    }

    // Call EndBatchWrite when serializing multiple visuals.
    if ( (_activeVtoXPSD != null) && (_batchProgress == 3) )
        _activeVtoXPSD.EndBatchWrite();
}

Private Sub SaveMultipleFixedContentDocumentsAsync(ByVal xpsdw As XpsDocumentWriter, ByVal fds As FixedDocumentSequence)
    _xpsdwActive = xpsdw

    AddHandler xpsdw.WritingCompleted, AddressOf AsyncSaveCompleted

    AddHandler xpsdw.WritingProgressChanged, AddressOf AsyncSavingProgress

    ' Write the FixedDocumentSequence as a
    ' collection of documents asynchronously.
    xpsdw.WriteAsync(fds)
End Sub


' Cancel an async operation
Public Sub CancelAsync()
    _xpsdwActive.CancelAsync()
End Sub
#End Region ' Asynchronous Save Methods


#Region "Async Event Handlers"
'
' Create an "async operation complete" event handler
' for saving a FixedDocumentSequence
'
Private Sub AsyncSaveCompleted(ByVal sender As Object, ByVal e As WritingCompletedEventArgs)
    Dim result As String
    If e.Cancelled Then
        result = "Canceled"
    ElseIf e.Error IsNot Nothing Then
        result = "Error"
    Else
        result = "Asynchronous operation Completed"
    End If

    ' Close the pakcage
    _xpsDocument.Close()

    If OnAsyncSaveChangeEvent IsNot Nothing Then
        Dim asyncInfo As New AsyncSaveEventArgs(result, True)
        RaiseEvent OnAsyncSaveChange(Me, asyncInfo)
    End If
End Sub

'
' Create an "async operation progress" event handler for
' monitoring the progress of saving a FixedDocumentSequence.
'
Private Sub AsyncSavingProgress(ByVal sender As Object, ByVal e As WritingProgressChangedEventArgs)
    _batchProgress += 1

    If OnAsyncSaveChangeEvent IsNot Nothing Then
        Dim progress As String = String.Format("{0} - {1}", e.WritingLevel.ToString(), e.Number.ToString())
        Dim asyncInfo As New AsyncSaveEventArgs(progress, False)
        RaiseEvent OnAsyncSaveChange(Me, asyncInfo)
    End If

    ' Call EndBatchWrite when serializing multiple visuals.
    If (_activeVtoXPSD IsNot Nothing) AndAlso (_batchProgress = 3) Then
        _activeVtoXPSD.EndBatchWrite()
    End If
End Sub