怎么通过Feature来获得body

牧马人

如我通过BlockFeatureBuildr创建了一个Block特征，怎么通过这个Feature来获得Body呢？
2 L7 t/ X! f, w; f  Z- I$ S Features::Feature *blockFeature;
  blockFeature=BlockFeatureBuilder1->CommitFeature();

mildcat

$ k# N# S% T  w  u0 y4 ^
  _$ e0 Y% |5 p& ~& X8 }+ f, Yint UF_MODL_ask_feat_body
(
9 p7 i8 V/ ~& ^! a3 B% j
. J" d5 ^8 N% y6 F5 K3 o! ktag_t feature_obj_id,
tag_t * body_obj_id

)