void UpdateSlicer(int num, bool state);
void SetSlicerWindow(int i, vtkRenderWindow* RW);
void SetInteractorStyleNavigator(int i,vtkInteractorStyle* style);
void UpdateSlicer(int num, bool state);
void SetSlicerWindow(int i, vtkRenderWindow* RW);
void SetInteractorStyleNavigator(int i,vtkInteractorStyle* style);