Walkthrough: Hosting a Windows Forms Control in Windows Presentation Foundation

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.

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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.

    Imports System
    Imports System.Windows
    Imports System.Windows.Controls
    Imports System.Windows.Data
    Imports System.Windows.Documents
    Imports System.Windows.Media
    Imports System.Windows.Media.Imaging
    Imports System.Windows.Shapes
    Imports System.Windows.Forms
    ' Interaction logic for Window1.xaml 
    Partial Public Class Window1
        Inherits Window
        Public Sub New()
        End Sub 
        Private Sub WindowLoaded(ByVal sender As Object, ByVal e As RoutedEventArgs)
            ' Create the interop host control. 
            Dim host As New System.Windows.Forms.Integration.WindowsFormsHost()
            ' Create the MaskedTextBox control. 
            Dim mtbDate As 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. 
        End Sub 'WindowLoaded
    End Class

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