How to use a FolderBrowserDialog from a WPF application

Question

I\'m trying to use the FolderBrowserDialog from my WPF application - nothing fancy. I don\'t much care that it has the Windows Forms look to it.

However, when I call

Answer 1

VB.net translation

Module MyWpfExtensions

Public Function GetIWin32Window(this As Object, visual As System.Windows.Media.Visual) As System.Windows.Forms.IWin32Window

    Dim source As System.Windows.Interop.HwndSource = System.Windows.PresentationSource.FromVisual(Visual)
    Dim win As System.Windows.Forms.IWin32Window = New OldWindow(source.Handle)
    Return win
End Function

Private Class OldWindow
    Implements System.Windows.Forms.IWin32Window

    Public Sub New(handle As System.IntPtr)
        _handle = handle
    End Sub


    Dim _handle As System.IntPtr
    Public ReadOnly Property Handle As IntPtr Implements Forms.IWin32Window.Handle
        Get

        End Get
    End Property


End Class

End Module