Export PDF file to ImageSource in WPF

The WPF Image control allows you to display images in an application. You can use GemBox.Pdf to convert a PDF page to an image.

The following example shows how to convert a PDF page to an ImageSource instance and attach it to WPF's Image control.

Screenshot of PDF page exported to ImageSource with GemBox.Pdf

XAML
C#
VB.NET

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<Window x:Class="MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Export to ImageSource Example" 
        SizeToContent="WidthAndHeight">

    <DockPanel>
        <Menu DockPanel.Dock="Top">
            <MenuItem Header="_File">
                <MenuItem Header="_Open" Click="MenuItem_Click" />
            </MenuItem>
        </Menu>
        <Border Margin="10" BorderBrush="Black" BorderThickness="1">
            <Image x:Name="ImageControl"/>
        </Border>
    </DockPanel>

</Window>

using System.Windows;
using GemBox.Pdf;
using Microsoft.Win32;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();

        ComponentInfo.SetLicense("FREE-LIMITED-KEY");
    }

    private void MenuItem_Click(object sender, RoutedEventArgs e)
    {
        OpenFileDialog fileDialog = new OpenFileDialog();
        fileDialog.Filter = "PDF files (*.pdf)|*.pdf";

        if (fileDialog.ShowDialog() == true)
        {
            using (var document = PdfDocument.Load(fileDialog.FileName))
            {
                this.ImageControl.Source = document.ConvertToImageSource(SaveOptions.Image);
            }
        }
    }
}

Imports GemBox.Pdf
Imports Microsoft.Win32

Class MainWindow

    Public Sub New()

        InitializeComponent()

        ComponentInfo.SetLicense("FREE-LIMITED-KEY")
    End Sub

    Private Sub MenuItem_Click(sender As Object, e As RoutedEventArgs)

        Dim fileDialog = New OpenFileDialog()
        fileDialog.Filter = "PDF files (*.pdf)|*.pdf"

        If (fileDialog.ShowDialog() = True) Then
            Using document = PdfDocument.Load(fileDialog.FileName)
                Me.ImageControl.Source = document.ConvertToImageSource(SaveOptions.Image)
            End Using
        End If

    End Sub
End Class

Next steps

GemBox.Pdf is a .NET component that enables developers to read, merge and split PDF files or execute low-level object manipulations from .NET applications in a simple and efficient way.

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Published: July 17, 2019 | Modified: September 9, 2021 | Author: Damir Stipinović

Export PDF file to ImageSource in WPF

See also

Next steps