void BeforeThreadedGenerateData(void );
// Threaded Generate Data
+#if ITK_VERSION_MAJOR >= 4
+ void ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread, itk::ThreadIdType threadId );
+#else
void ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread, int threadId );
+#endif
//------------------------------------------------