UG NX二次开发中，使用ufun装配方面的常用函数具体描述

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  P  X3 p. k- Y% q& \* T1 W„/* 得到当前的work part prototype tag */
extern tag_t UF_ASSEM_ask_work_part ( );
„/* 设置当前的work part prototype tag */
, [$ G- W/ B/ L3 k$ C extern int UF_ASSEM_set_work_part ( tag_t part );
„/* 得到当前的work part occurrence tag */
extern tag_t UF_ASSEM_ask_work_occurrence ( );
„/* 设置当前的work part occurrence tag */
* u2 o! ~1 f) t; s. | extern int UF_ASSEM_set_work_occurrence ( tag_t part_occur );
1 u$ l7 l8 W& d3 p* l* f- m„/* 得到根part的occurrence tag, 输入的part必须是根part prototype tag */
7 v7 y! T/ J( M, Y4 Y8 }  W extern tag_t UF_ASSEM_ask_root_part_occ ( tag_t part );
„/* 得到某个instance的父part prototype tag */
* s; e7 s- v- N extern tag_t UF_ASSEM_ask_parent_of_instance ( tag_t instance );
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! U: ~# H2 t! x$ L% A( U2 P/* 得到某个instance的part prototype tag */
extern tag_t UF_ASSEM_ask_child_of_instance ( tag_t instance );
/* 得到父part下某个instance name的instance tag */
extern tag_t UF_ASSEM_ask_instance_of_name ( tag_t parent_part, const char * instance_name );  
/* 得到父part下某个instance的part occurrence tag */
3 ~2 q* }0 v+ p3 X3 Sextern tag_t UF_ASSEM_ask_part_occ_of_inst ( tag_t parent_part_occ, tag_t instance );
& w% P2 Q0 f( G/ S& f/ o2 E/* 得到某个instance的所有part occurrence tag */
  C- }/ ~" T' y$ G5 jextern int UF_ASSEM_ask_part_occs_of_inst ( tag_t instance, tag_t ** part_occs );
/* 得到某个part occurrence的instance tag */
extern tag_t UF_ASSEM_ask_inst_of_part_occ ( tag_t part_occur );
/* 得到父part下某个part prototype的所有part occurrence tag */
7 {9 x2 n% q" j2 b. C  |1 Nextern int UF_ASSEM_ask_occs_of_part ( tag_t parent_part, tag_t part, tag_t ** part_occs );
/* 得到某个object prototype的所有object occurrence tag */
extern int UF_ASSEM_ask_occs_of_entity ( tag_t object, tag_t ** occurrences );
/* 得到某个object或part occurrence的object或part prototype tag */
! u  f3 F9 u6 M7 }( P3 ?extern tag_t UF_ASSEM_ask_prototype_of_occ ( tag_t occurrence );
" K4 W2 P+ t3 e+ N7 U/* 得到某个object或part occurrence的父part occurrence tag */
extern tag_t UF_ASSEM_ask_part_occurrence ( tag_t occurrence );
0 g  w% n( _8 g3 X5 l6 u7 a/* 得到某个part occurrence下所有子part occurrence tag */
' z1 _: F; n; K, U* yextern int UF_ASSEM_ask_all_part_occ_children ( tag_t part_occur, tag_t ** child_part_occs );
+ _0 l7 k: j4 `/* 同上 */
extern int UF_ASSEM_ask_part_occ_children ( tag_t part_occur, tag_t ** child_part_occs );
/ d5 b) j9 ~, Q7 C" o/* 得到某个part occurrence中所有object occurrence tag的个数 */
extern int UF_ASSEM_count_ents_in_part_occ ( tag_t part_occur );
/* 得到某个part occurrence中某个object prototype的object occurrence tag */
, m  I4 Y- Z  r& Sextern tag_t UF_ASSEM_find_occurrence ( tag_t part_occur, tag_t object_prototype );
2 k3 `( A( W. m$ r  j/* 得到某个part occurrence在当前work part中的part occurrence tag */
4 J* z$ A! q/ v, \) |# ^1 }extern int UF_ASSEM_get_occ_in_work_occ ( tag_t part_occ, tag_t * occ_in_work );
! u0 p. Z9 @$ g/* 判断某个part或object tag是否是occurrence tag */
( X) G9 H6 T7 x. w4 qextern logical UF_ASSEM_is_occurrence ( tag_t entity );
/* 判断某个part是否是occurrence tag */
extern logical UF_ASSEM_is_part_occurrence ( tag_t occurrence );
4 z& I' V# o# r% l/* 判断某个part occurrence是否属于当前的work part */
& {8 h, H4 ]+ X/ V& [* f. @! m. mextern int UF_ASSEM_occ_is_in_work_part ( tag_t part_occ, logical * is_in_work );
2 c( L3 ~, ^' G8 c/* 循环查找某个part occurrence中的所有object occurrence tag */
extern tag_t UF_ASSEM_cycle_ents_in_part_occ ( tag_t part_occur, tag_t object_occur );
/* 循环查找某个part prototype下的所有instance tag */
0 }' H. i7 h9 c$ ~5 Q, Sextern tag_t UF_ASSEM_cycle_inst_of_part ( tag_t parent_part, tag_t instance );
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