49 #ifndef vtkCheckerboardWidget_h
50 #define vtkCheckerboardWidget_h
53 #include "vtkInteractionWidgetsModule.h"
55 VTK_ABI_NAMESPACE_BEGIN
120 friend class vtkCWCallback;
127 VTK_ABI_NAMESPACE_END
represent the vtkCheckerboardWidget
a simple class to control print indentation