how to add FixedPage to DocumentViewer

Question

how to add FixedPage to DocumentViewer

Answer 1

Hi, in .NET Core 3.1. it work fine:

<Window x:Class="WpfApp1.Window02"  
        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"  
        xmlns:local="clr-namespace:WpfApp02"  
        mc:Ignorable="d"  
        Title="Window02" Height="450" Width="800">  
  <Window.DataContext>  
    <local:ViewModel/>  
  </Window.DataContext>  
  <Grid>  
    <DocumentViewer Document="{Binding Doc}"/>  
  </Grid>  
</Window>  

-----------------------------------------------

using System.Windows;  
using System.Windows.Controls;  
using System.Windows.Documents;  
  
namespace WpfApp02  
{  
  public class ViewModel  
  {  
    public ViewModel()  
    {  
      Doc = RenderDocument();  
    }  
  
    public IDocumentPaginatorSource Doc { get; set; }  
  
    public FixedDocument RenderDocument()  
    {  
      FixedDocument fd = new FixedDocument();  
      PageContent pc = new PageContent();  
      FixedPage fp = new FixedPage();  
      TextBlock tb = new TextBlock();  
      // add some text to a TextBox object  
      tb.Text = "This is some test text";  
      // add the text box to the FixedPage  
      fp.Children.Add(tb);  
      // ,add the FixedPage to the PageContent   
      pc.Child = fp;  
      // add the PageContent to the FixedDocument  
      fd.Pages.Add(pc);  
      return fd;  
    }  
  }  
}  

Answer 2

Hi, try following demo:

<Window x:Class="Window031"
        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"
        xmlns:local="clr-namespace:WpfApp1.WpfApp031"
        mc:Ignorable="d"
        Title="Window031" Height="450" Width="800">
  <Window.DataContext>
    <local:ViewModel/>
  </Window.DataContext>
  <Grid>
    <DocumentViewer Document="{Binding Doc}"/>
  </Grid>
</Window>

---

Namespace WpfApp031
  Public Class ViewModel

    Public Sub New()
      Doc = RenderDocument()
    End Sub

    Public Property Doc As IDocumentPaginatorSource

    Public Function RenderDocument() As FixedDocument
      Dim fd As New FixedDocument()
      Dim pc As New PageContent()
      Dim fp As New FixedPage()
      Dim tb As New TextBlock()

      ' add some text to a TextBox object
      tb.Text = "This is some test text"
      ' add the text box to the FixedPage
      fp.Children.Add(tb)
      ',add the FixedPage to the PageContent 
      pc.Child = fp
      ' add the PageContent to the FixedDocument
      fd.Pages.Add(pc)
      Return fd
    End Function

  End Class

End Namespace