# File vtk/tk/vtkTkRenderWindowInteractor.rb, line 266
  def KeyPressEvent(event, ctrl, shift)
    key = 0.chr
    if event.keysym_num < 256
      key = event.keysym_num.chr
    end
    @Iren.SetEventInformationFlipY(event.x, event.y, ctrl,
                                   shift, key, 0, event.keysym)
    @Iren.KeyPressEvent
    @Iren.CharEvent
  end