// Building and getting result.
anOperation->Perform();
-#ifdef USE_OCCT_720
if (anOperation->HasErrors())
return;
-#else
- if(anOperation->ErrorStatus() != 0) {
- return;
- }
-#endif
TopoDS_Shape aResult = anOperation->Shape();
if(aResult.ShapeType() == TopAbs_COMPOUND) {