# File vtk/tk/vtkTkRenderWindowInteractor.rb, line 244 def MouseWheelEvent(event, ctrl, shift) @Iren.SetEventInformationFlipY(event.x, event.y, ctrl, shift, 0.chr, 0, nil) if event.delta > 0 @Iren.MouseWheelForwardEvent else @Iren.MouseWheelBackwardEvent end end