GemBox.Presentation is a .NET component that enables you to read, write, edit, convert, and print presentation files from your .NET applications using one simple API.

Print PowerPoint files in C# and VB.NET

The following example demonstrates how to print PowerPoint presentations in C# and VB.NET with default and advanced print options specified via WPF's PrintDialog box.

Note that you can print to the default printer or any other local or networked printer.

Screenshot
Print PowerPoint Screenshot

See the full code below.

<Window x:Class="PrintCs.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Printing" Height="600" Width="800">
    <DockPanel>
        <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="2">
            <Button x:Name="LoadFileBtn" Content="Load file" Width="100" Margin="2,0" Click="LoadFileBtn_Click"/>
            <Button x:Name="SimplePrintFileBtn" Content="Print" Width="65" Click="SimplePrint_Click" Margin="2,0"/>
            <Button x:Name="AdvancedPrintFileBtn" Content="Print (select options)" Width="130" Click="AdvancedPrint_Click" Margin="2,0"/>
        </StackPanel>
        <DocumentViewer x:Name="DocViewer"/>
    </DockPanel>
</Window>
using System.Windows;
using System.Windows.Controls;
using System.Windows.Xps.Packaging;
using GemBox.Presentation;
using Microsoft.Win32;

// This is very simple project so we won't use MVVM pattern, ICommand, etc. (but we can)
namespace PrintCs
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private PresentationDocument presentation;

        public MainWindow()
        {
            ComponentInfo.SetLicense("FREE-LIMITED-KEY");

            InitializeComponent();

            this.EnableControls();
        }

        private void LoadFileBtn_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog fileDialog = new OpenFileDialog();
            fileDialog.Filter = "PPTX files (*.pptx, *.pptm, *.potx, *.potm)|*.pptx;*.pptm;*.potx;*.potm";

            if (fileDialog.ShowDialog() == true)
            {
                this.presentation = PresentationDocument.Load(fileDialog.FileName);

                this.ShowPrintPreview();
                this.EnableControls();
            }
        }

        private void SimplePrint_Click(object sender, RoutedEventArgs e)
        {
            // Print to default printer using default options
            this.presentation.Print();
        }

        private void AdvancedPrint_Click(object sender, RoutedEventArgs e)
        {
            // We can use PrintDialog for defining print options
            PrintDialog printDialog = new PrintDialog();
            printDialog.UserPageRangeEnabled = true;

            if (printDialog.ShowDialog() == true)
            {
                PrintOptions printOptions = new PrintOptions(printDialog.PrintTicket.GetXmlStream());

                printOptions.FromSlide = printDialog.PageRange.PageFrom - 1;
                printOptions.ToSlide = printDialog.PageRange.PageTo == 0 ? int.MaxValue : printDialog.PageRange.PageTo - 1;

                this.presentation.Print(printDialog.PrintQueue.FullName, printOptions);
            }
        }

        // We can use DocumentViewer for print preview (but we don't need).
        private void ShowPrintPreview()
        {
            // XpsDocument needs to stay referenced so that DocumentViewer can access additional required resources.
            // Otherwise, GC will collect/dispose XpsDocument and DocumentViewer will not work.
            XpsDocument xpsDocument = this.presentation.ConvertToXpsDocument(SaveOptions.Xps);
            this.DocViewer.Tag = xpsDocument;

            this.DocViewer.Document = xpsDocument.GetFixedDocumentSequence();
        }

        private void EnableControls()
        {
            bool isEnabled = this.presentation != null;

            this.DocViewer.IsEnabled = isEnabled;
            this.SimplePrintFileBtn.IsEnabled = isEnabled;
            this.AdvancedPrintFileBtn.IsEnabled = isEnabled;
        }
    }
}
' This is very simple project so we won't use MVVM pattern, ICommand, etc. (but we can)
Imports GemBox.Presentation
Imports Microsoft.Win32

Class MainWindow

    Dim presentation As PresentationDocument

    Public Sub New()
        ComponentInfo.SetLicense("FREE-LIMITED-KEY")

        InitializeComponent()

        Me.EnableControls()
    End Sub

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

        Dim fileDialog = New OpenFileDialog()
        fileDialog.Filter = "PPTX files (*.pptx, *.pptm, *.potx, *.potm)|*.pptx;*.pptm;*.potx;*.potm"

        If (fileDialog.ShowDialog() = True) Then
            Me.presentation = PresentationDocument.Load(fileDialog.FileName)

            Me.ShowPrintPreview()
            Me.EnableControls()
        End If

    End Sub

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

        ' Print to default printer using default options
        Me.presentation.Print()

    End Sub

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

        ' We can use PrintDialog for defining print options
        Dim printDialog = New PrintDialog()
        printDialog.UserPageRangeEnabled = True

        If (printDialog.ShowDialog() = True) Then

            Dim printOptions = New PrintOptions(printDialog.PrintTicket.GetXmlStream())

            printOptions.FromSlide = printDialog.PageRange.PageFrom - 1
            If (printDialog.PageRange.PageTo = 0) Then
                printOptions.ToSlide = Int32.MaxValue
            Else
                printOptions.ToSlide = printDialog.PageRange.PageTo - 1
            End If

            Me.presentation.Print(printDialog.PrintQueue.FullName, printOptions)
        End If

    End Sub

    ' We can use DocumentViewer for print preview (but we don't need).
    Private Sub ShowPrintPreview()

        ' XpsDocument needs to stay referenced so that DocumentViewer can access additional required resources.
        ' Otherwise, GC will collect/dispose XpsDocument and DocumentViewer will not work.
        Dim xpsDocument = presentation.ConvertToXpsDocument(SaveOptions.Xps)
        Me.DocViewer.Tag = xpsDocument

        Me.DocViewer.Document = xpsDocument.GetFixedDocumentSequence()

    End Sub

    Private Sub EnableControls()

        Dim isEnabled As Boolean = Me.presentation IsNot Nothing

        Me.DocViewer.IsEnabled = isEnabled
        Me.SimplePrintFileBtn.IsEnabled = isEnabled
        Me.AdvancedPrintFileBtn.IsEnabled = isEnabled

    End Sub

End Class

Check next sample.