40 #ifndef vtkCheckerboardWidget_h
41 #define vtkCheckerboardWidget_h
44 #include "vtkInteractionWidgetsModule.h"
46 VTK_ABI_NAMESPACE_BEGIN
111 friend class vtkCWCallback;
118 VTK_ABI_NAMESPACE_END
represent the vtkCheckerboardWidget
a simple class to control print indentation