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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& S  x( O% q# B+ [( o( S„/* 得到当前的work part prototype tag */
' e+ Y' q0 C3 e, ] extern tag_t UF_ASSEM_ask_work_part ( );
„/* 设置当前的work part prototype tag */
3 a% d7 {) s: [* n- U% I extern int UF_ASSEM_set_work_part ( tag_t part );
„/* 得到当前的work part occurrence tag */
0 ?$ O, S: a6 z( i# W9 U/ | extern tag_t UF_ASSEM_ask_work_occurrence ( );
„/* 设置当前的work part occurrence tag */
* g/ Q6 {* |* X7 I0 H extern int UF_ASSEM_set_work_occurrence ( tag_t part_occur );
„/* 得到根part的occurrence tag, 输入的part必须是根part prototype tag */
3 s* h9 B! }3 [3 |5 e. j' [ extern tag_t UF_ASSEM_ask_root_part_occ ( tag_t part );
7 Q5 E; m1 P3 w$ E5 A5 X2 f5 P„/* 得到某个instance的父part prototype tag */
; s* g8 R, s3 p extern tag_t UF_ASSEM_ask_parent_of_instance ( tag_t instance );

/* 得到某个instance的part prototype tag */
extern tag_t UF_ASSEM_ask_child_of_instance ( tag_t instance );
6 l: H7 u- M4 v/ t' R/ u/* 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 */
& K4 f6 W) m' g0 {extern tag_t UF_ASSEM_ask_part_occ_of_inst ( tag_t parent_part_occ, tag_t instance );
/* 得到某个instance的所有part occurrence tag */
8 q# ^- e3 `/ V! Aextern int UF_ASSEM_ask_part_occs_of_inst ( tag_t instance, tag_t ** part_occs );
8 H% A( @9 _- V. ?( ~$ r' t' u  p  h+ m/* 得到某个part occurrence的instance tag */
( T  G9 }- N9 T# ~0 vextern tag_t UF_ASSEM_ask_inst_of_part_occ ( tag_t part_occur );
% [) G, p/ w) F. B) k, z8 X" P/* 得到父part下某个part prototype的所有part occurrence tag */
extern 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 */
, i* N' ~) e7 Pextern tag_t UF_ASSEM_ask_prototype_of_occ ( tag_t occurrence );
6 l: P$ c+ [- e: [' a/* 得到某个object或part occurrence的父part occurrence tag */
extern tag_t UF_ASSEM_ask_part_occurrence ( tag_t occurrence );
/* 得到某个part occurrence下所有子part occurrence tag */
  p5 i" [8 C1 x0 d$ Q3 sextern int UF_ASSEM_ask_all_part_occ_children ( tag_t part_occur, tag_t ** child_part_occs );
/* 同上 */
, P7 j2 ^5 A' a+ Wextern int UF_ASSEM_ask_part_occ_children ( tag_t part_occur, tag_t ** child_part_occs );
# Z8 {1 f: i# T* z! o& C/* 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 );
: J( @$ c4 D: F! l$ r; L/* 得到某个part occurrence中某个object prototype的object occurrence tag */
extern tag_t UF_ASSEM_find_occurrence ( tag_t part_occur, tag_t object_prototype );
/ ~! ^' T% X4 }8 c! h  y" N1 j/* 得到某个part occurrence在当前work part中的part occurrence tag */
extern int UF_ASSEM_get_occ_in_work_occ ( tag_t part_occ, tag_t * occ_in_work );
/* 判断某个part或object tag是否是occurrence tag */
/ M; y' J9 f* P. Uextern logical UF_ASSEM_is_occurrence ( tag_t entity );
8 C/ U5 [9 ?% e# d7 d8 }/* 判断某个part是否是occurrence tag */
extern logical UF_ASSEM_is_part_occurrence ( tag_t occurrence );
/* 判断某个part occurrence是否属于当前的work part */
extern int UF_ASSEM_occ_is_in_work_part ( tag_t part_occ, logical * is_in_work );
- X! P5 D( Q! i1 C6 j/ ^/* 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 */
. r6 a0 o* o2 ]& A- B, t" Y7 Bextern tag_t UF_ASSEM_cycle_inst_of_part ( tag_t parent_part, tag_t instance );
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