'// AxWebBrowser komplett zurück setzen
            Dim dummy As Object = CType("", Object)
            Dim pt As Point = Me._WebBrowser.Location
            Dim sz As Size = Me._WebBrowser.Size
            Dim resources As System.Resources.ResourceManager = New _
              System.Resources.ResourceManager(GetType(XXX))
            If Not _oDocument Is Nothing Then
                Me._WebBrowser.ExecWB(SHDocVw.OLECMDID.OLECMDID_SAVE, _
                  SHDocVw.OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER)
            End If
            Me._WebBrowser.Dispose()
            Me._WebBrowser = Nothing
            _oDocument = Nothing
            GC.Collect()
            GC.WaitForPendingFinalizers()
            GC.Collect()
            GC.WaitForPendingFinalizers()
 
            Me._WebBrowser = New AxSHDocVw.AxWebBrowser
            Me._WebBrowser.Dock = System.Windows.Forms.DockStyle.Fill
            Me._WebBrowser.Enabled = True
            Me._WebBrowser.OcxState = CType(resources.GetObject( _
              "_WebBrowser.OcxState"), System.Windows.Forms.AxHost.State)
            CType(Me._WebBrowser, _
            System.ComponentModel.ISupportInitialize).BeginInit()
            Me._WebBrowser.Size = sz
            Me._WebBrowser.TabIndex = 0
            Me._WebBrowser.Location = pt
            Me._WebBrowser.Parent = Me
            CType(Me._WebBrowser, _
              System.ComponentModel.ISupportInitialize).EndInit()
 
            Me._WebBrowser.Navigate("about:blank", dummy, dummy, dummy, dummy)
            Me._WebBrowser.ResetText()
            Me._WebBrowser.Refresh()
            ' usw ..