Sample Download : http://code.msdn.microsoft.com/How-to-Edit-XPS-file-in-WPF-37c5ebd0
An XPS document is a paginated set of related pages. The pages have a fixed layout, are organized into one or more fixed documents, and stored according to the Open Packaging Conventions. This document and the attached code sample demonstrate how we can edit the text in XPS document programmatically.
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