//File:Window.xaml.cs using System; using System.IO; using System.Windows; using System.Windows.Documents; using System.Windows.Markup; using System.Windows.Xps.Packaging; using System.Xml; using Microsoft.Win32; namespace WpfApplication1 { public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void btnOpenFlowDoc_Click(object sender, RoutedEventArgs e) { Stream file = file = File.OpenRead("c:\\b.xps"); TextReader reader = new StreamReader(file); XmlTextReader xmlReader = new XmlTextReader(reader); FlowDocument flowDocument = XamlReader.Load(xmlReader) as FlowDocument; dvDocumentViewer.Document = flowDocument; } } }