wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
wxVTKiren->GetEventPosition(X, Y);
_controller->GetManualViewBaseContour()->InitMove( X, Y,Z);
wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
wxVTKiren->GetEventPosition(X, Y);
_controller->GetManualViewBaseContour()->InitMove( X, Y,Z);