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% E9 h7 k/ C„/* 得到当前的work part prototype tag */
$ i* l8 R: o8 i; S% { extern tag_t UF_ASSEM_ask_work_part ( );
„/* 设置当前的work part prototype tag */
extern int UF_ASSEM_set_work_part ( tag_t part );
" r/ I  d- k, h7 @. m) F  f$ r) U„/* 得到当前的work part occurrence tag */
9 I( z; e5 l& K5 _$ F  i extern tag_t UF_ASSEM_ask_work_occurrence ( );
„/* 设置当前的work part occurrence tag */
extern int UF_ASSEM_set_work_occurrence ( tag_t part_occur );
: c2 J6 K# b4 N) b, p„/* 得到根part的occurrence tag, 输入的part必须是根part prototype tag */
0 T$ Q6 b! g9 Z7 P  U, w extern tag_t UF_ASSEM_ask_root_part_occ ( tag_t part );
0 N, |7 h1 O, |5 y: o+ Q2 O5 u2 g„/* 得到某个instance的父part prototype tag */
extern tag_t UF_ASSEM_ask_parent_of_instance ( tag_t instance );
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/* 得到某个instance的part prototype tag */
extern tag_t UF_ASSEM_ask_child_of_instance ( tag_t instance );
3 M4 i3 E: D# _  `6 X, O" J; {: i/* 得到父part下某个instance name的instance tag */
9 }5 F0 o) @  p- j) v5 N  Eextern tag_t UF_ASSEM_ask_instance_of_name ( tag_t parent_part, const char * instance_name );  
# b5 L5 M7 Z. _% G% {8 o/* 得到父part下某个instance的part occurrence tag */
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 */
extern int UF_ASSEM_ask_part_occs_of_inst ( tag_t instance, tag_t ** part_occs );
/* 得到某个part occurrence的instance tag */
5 r. E# L" ]: m/ Gextern 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 */
extern int UF_ASSEM_ask_occs_of_part ( tag_t parent_part, tag_t part, tag_t ** part_occs );
. \* k- G0 E5 p& `/* 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 */
* j6 w' k$ L' F& jextern tag_t UF_ASSEM_ask_prototype_of_occ ( tag_t occurrence );
/* 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 */
2 ]  g8 J  d, U4 o$ a$ @! G% kextern int UF_ASSEM_ask_all_part_occ_children ( tag_t part_occur, tag_t ** child_part_occs );
/* 同上 */
extern int UF_ASSEM_ask_part_occ_children ( tag_t part_occur, tag_t ** child_part_occs );
5 i) H1 }1 {" N7 l) M0 l  t8 @( n/* 得到某个part occurrence中所有object occurrence tag的个数 */
* r5 W: }0 |1 ]& p0 T: Wextern 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 */
/ q: W! t6 @3 {" `: }6 Mextern tag_t UF_ASSEM_find_occurrence ( tag_t part_occur, tag_t object_prototype );
0 N. Q  U: t4 L/* 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 */
extern logical UF_ASSEM_is_occurrence ( tag_t entity );
2 y, R; v1 `$ [8 A0 R/* 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 */
5 }7 r7 o/ W- W! f* Eextern int UF_ASSEM_occ_is_in_work_part ( tag_t part_occ, logical * is_in_work );
8 L7 e; n/ E$ y0 P% G1 t/* 循环查找某个part occurrence中的所有object occurrence tag */
4 y9 I5 c0 {1 A. ^9 x) Zextern tag_t UF_ASSEM_cycle_ents_in_part_occ ( tag_t part_occur, tag_t object_occur );
4 F5 x* D$ C9 {* k. r& j/* 循环查找某个part prototype下的所有instance tag */
extern tag_t UF_ASSEM_cycle_inst_of_part ( tag_t parent_part, tag_t instance );
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