dim f as content
 
  Dim Form_Abteilung As New Abteilung_wählen
        f = Me.Dockmanag.DockingManager.Contents.Add(Form_Abteilung)
        f.Title = "Abteilung"
        f.CloseButton = False
        f.FullTitle = "Abteilung"
        f.Icon = Image.FromFile(Icons & "349.ico")
        f.DisplaySize = New Size(400, 230)
        f.AutoHideSize = New Size(400, 230)
        f.AutoHidden = True
        Me.Dockmanag.DockingManager.AddContentWithState(f, _
          Dacris.NETXP.Docking.State.DockLeft)
        Me.Dockmanag.DockingManager.ShowContent(f)...
 
 
dim f as new docking.content
f = dockmanag.contents.items("Toolbox")
f.autohide = true