59 #ifndef vtkCheckerboardWidget_h
60 #define vtkCheckerboardWidget_h
63 #include "vtkInteractionWidgetsModule.h"
66 VTK_ABI_NAMESPACE_BEGIN
131 friend class vtkCWCallback;
138 VTK_ABI_NAMESPACE_END
represent the vtkCheckerboardWidget
a simple class to control print indentation