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POSerializing WPF FlowDocuments to/from PackagePart (including images, etc.)
 

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  1. POSerializing WPF FlowDocuments to/from PackagePart (including images, etc.)
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    <p>I want to be able to store multiple FlowDocuments within a single package, including images, etc. within each document. However, none of the methods I've seen for saving (and loading) Xaml FlowDocuments seem capable of this.</p> <ul> <li>TextRange.Save with DataFormats.Xaml strips images and other embedded content</li> <li>TextRange.Save with DataFormats.XamlPackage creates a whole new package, rather than allowing me to treat the document and included images as parts within the package I'd be storing it in</li> <li>XamlWriter looks like it could be good for this, but I can't figure out how to find all the embedded objects for putting in their own parts (although I certainly know how to handle them once I've found them). On the other end, I haven't a clue how to make everything load properly later on.</li> </ul> <p>It's pretty annoying that there's no one-stop way of serializing a FlowDocument and its images, etc. to a PackagePart. If anyone's figured out a good way of doing this, how'd you pull it off?</p> <p><strong>UPDATE 2011-07-03 00:22:</strong> Using XamlWriter and some extra code from <a href="https://stackoverflow.com/questions/3899852/finding-all-images-in-a-flowdocument" title="Finding all Images in a FlowDocument">this question</a> I've been able to build a happy little OPC-compliant package which can hold multiple FlowDocuments including their images, as PackageParts. However, going the other way (from PackagePart to FlowDocument) is failing, because no matter how I try to load the document, I get XamlParseExceptions telling me that</p> <blockquote> <p>'Initialization of 'System.Windows.Media.Imaging.BitmapImage' threw an exception.'</p> </blockquote> <p>So, the question now becomes, how do I manhandle XamlReader.Load and/or my part's stream in order to get the related images loaded properly?</p>
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