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如何批量打印多个流文档?以下代码应打印不同的文档,但打印相同。仅当您打印到 xps 打印机时,此示例才能正常工作。

var printDialog = new PrintDialog();
if(printDialog.ShowDialog() == true) {      
  var xpsDocumentWriter = PrintQueue.CreateXpsDocumentWriter(printDialog.PrintQueue);

  foreach(var person in persons) {
    var doc = Application.LoadComponent(new Uri("Template.xaml", UriKind.Relative)) as FlowDocument;
      doc.DataContext = persons;
      var paginator = ((IDocumentPaginatorSource)doc).DocumentPaginator;          
      xpsDocumentWriter.Write(paginator);
    }
  }
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1 回答 1

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这些是线程问题。分配后DataContext确保线程处理其等待队列:

Dispatcher.CurrentDispatcher.Invoke(
        DispatcherPriority.SystemIdle, new DispatcherOperationCallback(_ => null), null);
于 2009-06-27T11:00:55.580 回答