Printing in WPF port for .NET (#1156)

* Initial files * update toc * Content update - print-xps-files (user story 1861941) (#1151) * Add C# and VB sample code projects * Fix comments * Update C# and VB code * Add article * Further edits * Reviewer requested edits * Further edits * Use xref to link to API * Minor edits * Content update - invoke-print-dialog (user story 1861941) (#1141) * Content update including C# WPF project * Fix link * Remove test code * Further doc and C# sample edits * Add feature: printing with no print dialog * Separate out specific page range print functionality * Cleanup comments * UI tweaks * Add VB sample code project * Code file formatting * Update dotnet-desktop-guide/net/wpf/documents/how-to-display-print-dialog.md Co-authored-by: Andy (Steve) De George <[email protected]> * Add page range printing * Minor edits * Update dotnet-desktop-guide/net/wpf/documents/snippets/how-to-display-print-dialog/csharp/MainWindow.xaml.cs Co-authored-by: Andy (Steve) De George <[email protected]> * Update dotnet-desktop-guide/net/wpf/documents/how-to-display-print-dialog.md Co-authored-by: Andy (Steve) De George <[email protected]> * Promote example headings * Reorganize and add detail * Minor edits * Add detail * Further edits * Further edits * Add resource links * Add alternative API suggestions to a tip * Minor edit Co-authored-by: Andy (Steve) De George <[email protected]> * Content update - print-overview (user story 1861941) (#1153) * Add C# and VB sample code projects * Add article * Add redirects Co-authored-by: Tris Shores <[email protected]>
2026-09-09 23:43:28 +02:00 · 2021-09-24 16:16:55 -04:00
parent e96218f17e
commit bdd178c010
42 changed files with 2295 additions and 452 deletions
@@ -0,0 +1,9 @@
+<Application x:Class="CodeSampleCsharp.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:CodeSampleCsharp"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace CodeSampleCsharp
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0-windows</TargetFramework>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,16 @@
+<Window x:Class="CodeSampleCsharp.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Title="Print an XPS file" Height="149" Width="509">
+    <Grid Margin="0,0,0,10">
+        <Label Content="Select XPS file" HorizontalAlignment="Left" Margin="27,12,0,0" VerticalAlignment="Top" FontSize="11" Height="25" Width="78"/>
+
+        <Button Content="Browse" HorizontalAlignment="Left" Margin="428,35,0,0" VerticalAlignment="Top" Width="48" x:Name="btnBrowse" Height="20"/>
+        <TextBox HorizontalAlignment="Left" Margin="32,35,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="391" FontSize="14" x:Name="txtXpsFilePath" Height="21"/>
+        <Button Content="Print" HorizontalAlignment="Left" Margin="32,71,0,0" FontSize="14" Width="51" x:Name="btnPrint" Height="28" VerticalAlignment="Top"/>
+        <CheckBox x:Name="cbxHidePrintDialog" Content="Hide print dialog" HorizontalAlignment="Left" Margin="124,77,0,0" VerticalAlignment="Top" RenderTransformOrigin="0.376,-0.054"/>
+    </Grid>
+</Window>
@@ -0,0 +1,240 @@
+using System;
+using System.IO;
+using System.Reflection;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Media;
+using System.Windows.Xps.Packaging;
+using Microsoft.Win32;
+
+namespace CodeSampleCsharp
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml.
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+
+            // Events.
+            btnBrowse.Click += BtnBrowse_Click;
+            btnPrint.Click += BtnPrint_Click;
+        }
+
+        private void BtnBrowse_Click(object sender, RoutedEventArgs e)
+        {
+            // Configure an open file dialog box.
+            OpenFileDialog openFileDialog = new()
+            {
+                FileName = "Document",
+                DefaultExt = ".xps",
+                Filter = "Text documents (.xps)|*.xps"
+            };
+
+            // Show open file dialog box.
+            bool? result = openFileDialog.ShowDialog();
+
+            // Process open file dialog box results.
+            if (result == true)
+            {
+                // Show selected XPS file path.
+                txtXpsFilePath.Text = openFileDialog.FileName;
+            }
+        }
+
+        private void BtnPrint_Click(object sender, RoutedEventArgs e)
+        {
+            // Check the file exists.
+            if (!File.Exists(txtXpsFilePath.Text))
+            {
+                MessageBox.Show("First select an XPS file.");
+                return;
+            }
+
+            // Get the print dialog visibility.
+            bool hidePrintDialog = cbxHidePrintDialog.IsChecked == true;
+
+            // Print whole document.
+            bool isPrinted = PrintWholeDocument(txtXpsFilePath.Text, hidePrintDialog);
+            MessageBox.Show($"PrintWholeDocument {(isPrinted ? "printed" : "failed to print")}.");
+
+            // Print a specific range of document pages as specified in the print dialog.
+            if (!hidePrintDialog)
+            {
+                isPrinted = PrintDocumentPageRange(txtXpsFilePath.Text);
+                MessageBox.Show($"PrintDocumentPageRange {(isPrinted ? "printed" : "failed to print")}.");
+            }
+        }
+
+        // <SampleCode1>
+        /// <summary>
+        /// Print all pages of an XPS document.
+        /// Optionally, hide the print dialog window.
+        /// </summary>
+        /// <param name="xpsFilePath">Path to source XPS file</param>
+        /// <param name="hidePrintDialog">Whether to hide the print dialog window (shown by default)</param>
+        /// <returns>Whether the document printed</returns>
+        public static bool PrintWholeDocument(string xpsFilePath, bool hidePrintDialog = false)
+        {
+            // Create the print dialog object and set options.
+            PrintDialog printDialog = new();
+
+            if (!hidePrintDialog)
+            {
+                // Display the dialog. This returns true if the user presses the Print button.
+                bool? isPrinted = printDialog.ShowDialog();
+                if (isPrinted != true)
+                    return false;
+            }
+
+            // Print the whole document.
+            try
+            {
+                // Open the selected document.
+                XpsDocument xpsDocument = new(xpsFilePath, FileAccess.Read);
+
+                // Get a fixed document sequence for the selected document.
+                FixedDocumentSequence fixedDocSeq = xpsDocument.GetFixedDocumentSequence();
+
+                // Create a paginator for all pages in the selected document.
+                DocumentPaginator docPaginator = fixedDocSeq.DocumentPaginator;
+
+                // Print to a new file.
+                printDialog.PrintDocument(docPaginator, $"Printing {Path.GetFileName(xpsFilePath)}");
+
+                return true;
+            }
+            catch (Exception e)
+            {
+                MessageBox.Show(e.Message);
+
+                return false;
+            }
+        }
+        // </SampleCode1>
+
+        // <SampleCode2>
+        /// <summary>
+        /// Print a specific range of pages within an XPS document.
+        /// </summary>
+        /// <param name="xpsFilePath">Path to source XPS file</param>
+        /// <returns>Whether the document printed</returns>
+        public static bool PrintDocumentPageRange(string xpsFilePath)
+        {
+            // Create the print dialog object and set options.
+            PrintDialog printDialog = new()
+            {
+                UserPageRangeEnabled = true
+            };
+
+            // Display the dialog. This returns true if the user presses the Print button.
+            bool? isPrinted = printDialog.ShowDialog();
+            if (isPrinted != true)
+                return false;
+
+            // Print a specific page range within the document.
+            try
+            {
+                // Open the selected document.
+                XpsDocument xpsDocument = new(xpsFilePath, FileAccess.Read);
+
+                // Get a fixed document sequence for the selected document.
+                FixedDocumentSequence fixedDocSeq = xpsDocument.GetFixedDocumentSequence();
+
+                // Create a paginator for all pages in the selected document.
+                DocumentPaginator docPaginator = fixedDocSeq.DocumentPaginator;
+
+                // Check whether a page range was specified in the print dialog.
+                if (printDialog.PageRangeSelection == PageRangeSelection.UserPages)
+                {
+                    // Create a document paginator for the specified range of pages.
+                    docPaginator = new DocPaginator(fixedDocSeq.DocumentPaginator, printDialog.PageRange);
+                }
+
+                // Print to a new file.
+                printDialog.PrintDocument(docPaginator, $"Printing {Path.GetFileName(xpsFilePath)}");
+
+                return true;
+            }
+            catch (Exception e)
+            {
+                MessageBox.Show(e.Message);
+
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Extend the abstract DocumentPaginator class to support page range printing. This class is based on the following online resources:
+        ///
+        /// https://www.thomasclaudiushuber.com/2009/11/24/wpf-printing-how-to-print-a-pagerange-with-wpfs-printdialog-that-means-the-user-can-select-specific-pages-and-only-these-pages-are-printed/
+        ///
+        /// https://social.msdn.microsoft.com/Forums/vstudio/en-US/9180e260-0791-4f2d-962d-abcb22ba8d09/how-to-print-multiple-page-ranges-with-wpf-printdialog
+        ///
+        /// https://social.msdn.microsoft.com/Forums/en-US/841e804b-9130-4476-8709-0d2854c11582/exception-quotfixedpage-cannot-contain-another-fixedpagequot-when-printing-to-the-xps-document?forum=wpf
+        /// </summary>
+        public class DocPaginator : DocumentPaginator
+        {
+            private readonly DocumentPaginator _documentPaginator;
+            private readonly int _startPageIndex;
+            private readonly int _endPageIndex;
+            private readonly int _pageCount;
+
+            public DocPaginator(DocumentPaginator documentPaginator, PageRange pageRange)
+            {
+                // Set document paginator.
+                _documentPaginator = documentPaginator;
+
+                // Set page indices.
+                _startPageIndex = pageRange.PageFrom - 1;
+                _endPageIndex = pageRange.PageTo - 1;
+
+                // Validate and set page count.
+                if (_startPageIndex >= 0 &&
+                    _endPageIndex >= 0 &&
+                    _startPageIndex <= _documentPaginator.PageCount - 1 &&
+                    _endPageIndex <= _documentPaginator.PageCount - 1 &&
+                    _startPageIndex <= _endPageIndex)
+                    _pageCount = _endPageIndex - _startPageIndex + 1;
+            }
+
+            public override bool IsPageCountValid => true;
+
+            public override int PageCount => _pageCount;
+
+            public override IDocumentPaginatorSource Source => _documentPaginator.Source;
+
+            public override Size PageSize { get => _documentPaginator.PageSize; set => _documentPaginator.PageSize = value; }
+
+            public override DocumentPage GetPage(int pageNumber)
+            {
+                DocumentPage documentPage = _documentPaginator.GetPage(_startPageIndex + pageNumber);
+
+                // Workaround for "FixedPageInPage" exception.
+                if (documentPage.Visual is FixedPage fixedPage)
+                {
+                    var containerVisual = new ContainerVisual();
+                    foreach (object child in fixedPage.Children)
+                    {
+                        var childClone = (UIElement)child.GetType().GetMethod("MemberwiseClone", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(child, null);
+
+                        FieldInfo parentField = childClone.GetType().GetField("_parent", BindingFlags.Instance | BindingFlags.NonPublic);
+                        if (parentField != null)
+                        {
+                            parentField.SetValue(childClone, null);
+                            containerVisual.Children.Add(childClone);
+                        }
+                    }
+
+                    return new DocumentPage(containerVisual, documentPage.Size, documentPage.BleedBox, documentPage.ContentBox);
+                }
+
+                return documentPage;
+            }
+        }
+        // </SampleCode2>
+    }
+}
@@ -0,0 +1,9 @@
+<Application x:Class="Application"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:CodeSampleVb"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
@@ -0,0 +1,6 @@
+Class Application
+
+    ' Application-level events, such as Startup, Exit, and DispatcherUnhandledException
+    ' can be handled in this file.
+
+End Class
@@ -0,0 +1,11 @@
+Imports System.Windows
+
+'The ThemeInfo attribute describes where any theme specific and generic resource dictionaries can be found.
+'1st parameter: where theme specific resource dictionaries are located
+'(used if a resource is not found in the page,
+' or application resource dictionaries)
+
+'2nd parameter: where the generic resource dictionary is located
+'(used if a resource is not found in the page,
+'app, and any theme specific resource dictionaries)
+<Assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)>
@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0-windows</TargetFramework>
+    <RootNamespace>CodeSampleVb</RootNamespace>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Import Include="System.Windows" />
+    <Import Include="System.Windows.Controls" />
+    <Import Include="System.Windows.Data" />
+    <Import Include="System.Windows.Documents" />
+    <Import Include="System.Windows.Input" />
+    <Import Include="System.Windows.Media" />
+    <Import Include="System.Windows.Media.Imaging" />
+    <Import Include="System.Windows.Navigation" />
+    <Import Include="System.Windows.Shapes" />
+  </ItemGroup>
+
+</Project>
@@ -0,0 +1,16 @@
+<Window x:Class="CodeSampleVb.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        Title="Print an XPS file" Height="149" Width="509">
+    <Grid Margin="0,0,0,10">
+        <Label Content="Select XPS file" HorizontalAlignment="Left" Margin="27,12,0,0" VerticalAlignment="Top" FontSize="11" Height="25" Width="78"/>
+
+        <Button Content="Browse" HorizontalAlignment="Left" Margin="428,35,0,0" VerticalAlignment="Top" Width="48" x:Name="btnBrowse" Height="20"/>
+        <TextBox HorizontalAlignment="Left" Margin="32,35,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="391" FontSize="14" x:Name="txtXpsFilePath" Height="21"/>
+        <Button Content="Print" HorizontalAlignment="Left" Margin="32,71,0,0" FontSize="14" Width="51" x:Name="btnPrint" Height="28" VerticalAlignment="Top"/>
+        <CheckBox x:Name="cbxHidePrintDialog" Content="Hide print dialog" HorizontalAlignment="Left" Margin="124,77,0,0" VerticalAlignment="Top" RenderTransformOrigin="0.376,-0.054"/>
+    </Grid>
+</Window>
@@ -0,0 +1,270 @@
+Imports System
+Imports System.IO
+Imports System.Reflection
+Imports System.Windows.Xps.Packaging
+Imports Microsoft.Win32
+
+Namespace CodeSampleVb
+    Partial Public Class MainWindow
+        Inherits Window
+
+        ''' <summary>
+        ''' Interaction logic for MainWindow.xaml
+        ''' </summary>
+        Public Sub New()
+
+            InitializeComponent()
+
+            ' Events.
+            AddHandler btnBrowse.Click, AddressOf BtnBrowse_Click
+            AddHandler btnPrint.Click, AddressOf BtnPrint_Click
+
+        End Sub
+
+
+        Private Sub BtnBrowse_Click(sender As Object, e As RoutedEventArgs)
+
+            ' Configure an open file dialog box.
+            Dim openFileDialog As New OpenFileDialog With {
+                .FileName = "Document",
+                .DefaultExt = ".xps",
+                .Filter = "Text documents (.xps)|*.xps"
+                }
+
+            ' Show open file dialog box.
+            Dim result As Boolean? = openFileDialog.ShowDialog()
+
+            ' Process open file dialog box results.
+            If result = True Then
+                ' Show selected XPS file path.
+                txtXpsFilePath.Text = openFileDialog.FileName
+            End If
+
+        End Sub
+
+        Private Sub BtnPrint_Click(sender As Object, e As RoutedEventArgs)
+
+            ' Check the file exists.
+            If Not File.Exists(txtXpsFilePath.Text) Then
+                MessageBox.Show("First select an XPS file.")
+                Return
+            End If
+
+            ' Get the print dialog visibility.
+            Dim hidePrintDialog = cbxHidePrintDialog.IsChecked = True
+            Dim isPrinted As Boolean
+
+            ' Print whole document.
+            isPrinted = PrintWholeDocument(txtXpsFilePath.Text, hidePrintDialog)
+            MessageBox.Show($"PrintWholeDocument {If(isPrinted, "printed", "failed to print")}.")
+
+            ' Print a specific range of document pages as specified in the print dialog.
+            If Not hidePrintDialog Then
+
+                isPrinted = PrintDocumentPageRange(txtXpsFilePath.Text)
+                MessageBox.Show($"PrintDocumentPageRange {If(isPrinted, "printed", "failed to print")}.")
+
+            End If
+
+        End Sub
+
+        ' <SampleCode1>
+        ''' <summary>
+        ''' Print all pages of an XPS document.
+        ''' Optionally, print all pages without showing a print dialog window.
+        ''' </summary>
+        ''' <param name="xpsFilePath">Path to source XPS file</param>
+        ''' <param name="hidePrintDialog">Whether to hide the print dialog window (shown by default)</param>
+        ''' <returns>Whether the document printed</returns>
+        Public Shared Function PrintWholeDocument(xpsFilePath As String, Optional hidePrintDialog As Boolean = False) As Boolean
+
+            ' Create the print dialog object and set options.
+            Dim printDialog As New PrintDialog
+
+            If Not hidePrintDialog Then
+
+                ' Display the dialog. This returns true if the user presses the Print button.
+                Dim isPrinted As Boolean? = printDialog.ShowDialog()
+                If isPrinted <> True Then Return False
+
+            End If
+
+            ' Print the whole document.
+            Try
+
+                ' Open the selected document.
+                Dim xpsDocument As New XpsDocument(xpsFilePath, FileAccess.Read)
+
+                ' Get a fixed document sequence for the selected document.
+                Dim fixedDocSeq As FixedDocumentSequence = xpsDocument.GetFixedDocumentSequence()
+
+                ' Create a paginator for all pages in the selected document.
+                Dim docPaginator As DocumentPaginator = fixedDocSeq.DocumentPaginator
+
+                ' Print to a new file.
+                printDialog.PrintDocument(docPaginator, $"Printing {Path.GetFileName(xpsFilePath)}")
+
+                Return True
+
+            Catch e As Exception
+
+                MessageBox.Show(e.Message)
+
+                Return False
+
+            End Try
+
+        End Function
+        ' </SampleCode1>
+
+        ' <SampleCode2>
+        ''' <summary>
+        ''' Print a specific range of pages within an XPS document.
+        ''' </summary>
+        ''' <param name="xpsFilePath">Path to source XPS file</param>
+        ''' <returns>Whether the document printed</returns>
+        Public Shared Function PrintDocumentPageRange(xpsFilePath As String) As Boolean
+
+            ' Create the print dialog object and set options.
+            Dim printDialog As New PrintDialog With {
+                .UserPageRangeEnabled = True
+            }
+
+            ' Display the dialog. This returns true if the user presses the Print button.
+            Dim isPrinted As Boolean? = printDialog.ShowDialog()
+            If isPrinted <> True Then Return False
+
+            ' Print a specific page range within the document.
+            Try
+
+                ' Open the selected document.
+                Dim xpsDocument As New XpsDocument(xpsFilePath, FileAccess.Read)
+
+                ' Get a fixed document sequence for the selected document.
+                Dim fixedDocSeq As FixedDocumentSequence = xpsDocument.GetFixedDocumentSequence()
+
+                ' Create a paginator for all pages in the selected document.
+                Dim docPaginator As DocumentPaginator = fixedDocSeq.DocumentPaginator
+
+                ' Check whether a page range was specified in the print dialog.
+                If printDialog.PageRangeSelection = PageRangeSelection.UserPages Then
+
+                    ' Create a document paginator for the specified range of pages.
+                    docPaginator = New DocPaginator(fixedDocSeq.DocumentPaginator, printDialog.PageRange)
+
+                End If
+
+                ' Print to a new file.
+                printDialog.PrintDocument(docPaginator, $"Printing {Path.GetFileName(xpsFilePath)}")
+
+                Return True
+
+            Catch e As Exception
+
+                MessageBox.Show(e.Message)
+
+                Return False
+
+            End Try
+
+        End Function
+
+        ' <summary>
+        ' Extend the abstract DocumentPaginator class to support page range printing.
+        ' This class is based on the following online resources:
+        ' https://www.thomasclaudiushuber.com/2009/11/24/wpf-printing-how-to-print-a-pagerange-with-wpfs-printdialog-
+        ' that-means-the-user-can-select-specific-pages-and-only-these-pages-are-printed/
+        ' https://social.msdn.microsoft.com/Forums/vstudio/en-US/9180e260-0791-4f2d-962d-abcb22ba8d09/how-to-print-
+        ' multiple-page-ranges-with-wpf-printdialog
+        ' https://social.msdn.microsoft.com/Forums/en-US/841e804b-9130-4476-8709-0d2854c11582/exception-quotfixedpage-
+        ' cannot-contain-another-fixedpagequot-when-printing-to-the-xps-document?forum=wpf
+        ' </summary>
+        Public Class DocPaginator
+            Inherits DocumentPaginator
+
+            Private ReadOnly _documentPaginator As DocumentPaginator
+            Private ReadOnly _startPageIndex As Integer
+            Private ReadOnly _endPageIndex As Integer
+            Private ReadOnly _pageCount As Integer
+
+            Public Sub New(documentPaginator As DocumentPaginator, pageRange As PageRange)
+
+                ' Set document paginator.
+                _documentPaginator = documentPaginator
+
+                ' Set page indices.
+                _startPageIndex = pageRange.PageFrom - 1
+                _endPageIndex = pageRange.PageTo - 1
+
+                ' Validate And set page count.
+                If _startPageIndex >= 0 AndAlso
+                    _endPageIndex >= 0 AndAlso
+                    _startPageIndex <= _documentPaginator.PageCount - 1 AndAlso
+                    _endPageIndex <= _documentPaginator.PageCount - 1 AndAlso
+                    _startPageIndex <= _endPageIndex Then
+                    _pageCount = _endPageIndex - _startPageIndex + 1
+                End If
+
+            End Sub
+
+            Public Overrides ReadOnly Property IsPageCountValid As Boolean
+                Get
+                    Return True
+                End Get
+            End Property
+
+            Public Overrides ReadOnly Property PageCount As Integer
+                Get
+                    Return _pageCount
+                End Get
+            End Property
+
+            Public Overrides ReadOnly Property Source As IDocumentPaginatorSource
+                Get
+                    Return _documentPaginator.Source
+                End Get
+            End Property
+
+            Public Overrides Property PageSize As Size
+                Get
+                    Return _documentPaginator.PageSize
+                End Get
+                Set(value As Size)
+                    _documentPaginator.PageSize = value
+                End Set
+            End Property
+
+            Public Overrides Function GetPage(pageNumber As Integer) As DocumentPage
+
+                Dim documentPage As DocumentPage = _documentPaginator.GetPage(_startPageIndex + pageNumber)
+
+                ' Workaround for "FixedPageInPage" exception.
+                If documentPage.Visual.GetType() Is GetType(FixedPage) Then
+
+                    Dim fixedPage As FixedPage = documentPage.Visual
+                    Dim containerVisual = New ContainerVisual()
+
+                    For Each child As Object In fixedPage.Children
+                        Dim childClone = CType(child.[GetType]().GetMethod("MemberwiseClone", BindingFlags.Instance Or BindingFlags.NonPublic).Invoke(child, Nothing), UIElement)
+                        Dim parentField As FieldInfo = childClone.[GetType]().GetField("_parent", BindingFlags.Instance Or BindingFlags.NonPublic)
+
+                        If parentField IsNot Nothing Then
+                            parentField.SetValue(childClone, Nothing)
+                            containerVisual.Children.Add(childClone)
+                        End If
+                    Next
+
+                    Return New DocumentPage(containerVisual, documentPage.Size, documentPage.BleedBox, documentPage.ContentBox)
+
+                End If
+
+                Return documentPage
+
+            End Function
+
+        End Class
+        ' </SampleCode2>
+
+    End Class
+
+End Namespace