如何使用的FlowDocument的IDocumentPaginatorSource DocumentPaginator的FlowDocument转换为固定文档？

问题描述

我有：

DocumentPaginator dp = ((IDocumentPaginatorSource)document).DocumentPaginator;

和

FlowDocument document = new FlowDocument();
// create a flow document...

如何做一个转换的FlowDocument使用DocumentPaginator一个固定文档？我似乎无法找出如何做到这一点。所有的网站我看了看使用XpsWriter如：

How do a convert the FlowDocument to a FixedDocument using the DocumentPaginator? I can't seem to find out how to do this. All sites I looked at use XpsWriter as in:

XpsDocumentWriter writer = XpsDocument.CreateXpsDocumentWriter(xpsDoc); 
DocumentPaginator dp = ((IDocumentPaginatorSource)document).DocumentPaginator;
writer.Write(dp);

我可以写的XPS，然后取回固定文档，但必须有一个更好的办法？

I could write the XPS and then get back the FixedDocument but there must be a better way?

推荐答案

没有，似乎没有成为一个更好的办法。但你并不需要把它保存到磁盘：

No, there doesn't seem to be a better way. But you don't need to save it to disk:

var paginator = ((IDocumentPaginatorSource)flowDocument).DocumentPaginator;
var package = Package.Open(new MemoryStream(), FileMode.Create, FileAccess.ReadWrite);
var packUri = new Uri("pack://temp.xps");
PackageStore.RemovePackage(packUri);
PackageStore.AddPackage(packUri, package);
var xps = new XpsDocument(package, CompressionOption.NotCompressed, packUri.ToString());
XpsDocument.CreateXpsDocumentWriter(xps).Write(paginator);
FixedDocument doc = xps.GetFixedDocumentSequence().References[0].GetDocument(true);

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