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Walkthrough: Hosting a Windows Forms Control in Windows Presentation Foundation

WPF provides many controls with a rich feature set. However, you may sometimes want to use Windows Forms controls on your WPF pages. For example, you may have a substantial investment in existing Windows Forms controls, or you may have a Windows Forms control that provides unique functionality.

This walkthrough shows you how to host a Windows Forms System.Windows.Forms.MaskedTextBox control on a WPF page by using code.

For a complete code listing of the tasks shown in this walkthrough, see Hosting a Windows Forms Control in Windows Presentation Foundation Sample.

Note   The dialog boxes and menu commands you see might differ from those described in Help, depending on your active settings or edition. To change your settings, choose Import and Export Settings on the Tools menu. For more information, see Visual Studio Settings.

You need the following components to complete this walkthrough:

  • Visual Studio 2008.

To host the MaskedTextBox control

  1. Create a WPF Application project named HostingWfInWpf.

  2. In Solution Explorer, add a reference to the WindowsFormsIntegration assembly, which is named WindowsFormsIntegration.dll.

  3. In Solution Explorer, add a reference to the Windows Forms assembly, which is named System.Windows.Forms.dll.

  4. Open Window1.xaml in the WPF Designer.

  5. Replace the automatically generated XAML in Window1.xaml with the following XAML.

    <Window x:Class="Window1"
        Title="HostingWfInWpf" Height="300" Width="300"
      <Grid Name="grid1">
    <Window x:Class="HostingWfInWpf.Window1"
        <Grid Name="grid1">
  6. In the Code Editor, open Window1.xaml.cs.

  7. Replace the code in Window1.xaml.cs with the following code.

    using System;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Data;
    using System.Windows.Documents;
    using System.Windows.Media;
    using System.Windows.Shapes;
    using System.Windows.Forms;
    namespace HostingWfInWpf
        public partial class Window1 : Window
            public Window1()
            private void WindowLoaded(object sender, RoutedEventArgs e) 
                // Create the interop host control.
                System.Windows.Forms.Integration.WindowsFormsHost host =
                    new System.Windows.Forms.Integration.WindowsFormsHost();
                // Create the MaskedTextBox control.
                MaskedTextBox mtbDate = new MaskedTextBox("00/00/0000");
                // Assign the MaskedTextBox control as the host control's child.
                host.Child = mtbDate;
                // Add the interop host control to the Grid 
                // control's collection of child controls. 

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