wxVTKRenderWindowInteractor *wxVTKiren;
wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
wxVTKiren->GetEventPosition(X, Y);
wxVTKRenderWindowInteractor *wxVTKiren;
wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
wxVTKiren->GetEventPosition(X, Y);