# File vtk/gtk/GtkGLExtVTKRenderWindow.rb, line 532
  def Wireframe
    actors = @CurrentRenderer.GetActors
    numActors = actors.GetNumberOfItems
    actors.InitTraversal
    for i in 0...numActors
      actor = actors.GetNextItem
      actor.GetProperty.SetRepresentationToWireframe
    end

    self.Render
  end