【求助】函数UF_MODL_ask_sweep_curves的用法

mydear

【求助】函数UF_MODL_ask_sweep_curves的用法目的获取拉伸对象的拉伸曲线调用UF_MODL_ask_sweep_curves函数怎么老出错
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  拾取对象
* \. T' Z& _2 W4 Y4 t% }- j  tag_t three_element;
  opts.other_options=0;
+ [$ R* u6 _* D; W2 X4 O  opts.reserved=NULL;
' R5 x! l" T5 o8 W  opts.num_mask_triples=1;
+ ?( K  X/ S, i$ ?% C6 G  opts.mask_triples=&mask;
# k6 p# x8 z( i( Y! L* V  opts.mask_triples->object_type=UF_solid_type;//UF_face_type;
  opts.mask_triples->object_subtype=UF_solid_body_subtype;//UF_bounded_plane_subtype;
* r4 E7 q+ _% \! `5 P& U, P" Y5 a  opts.mask_triples->solid_type=UF_UI_SEL_FEATURE_BODY;//UF_UI_SEL_FEATURE_ANY_FACE;
3 f( \1 U. ?1 u& u  opts.scope=UF_UI_SEL_SCOPE_WORK_PART;//UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY;
  irc=UF_UI_select_single(message,&opts,&response,&three_element,cursor,&view);
  UF_DISP_set_highlight(three_element,0);
  获取对象所属特征tag值
0 }. h. n. X' w6 y6 R  tag_t three_feature_tag;
  uf_list_t * feature_tag_list;
  irc=UF_MODL_create_list(&feature_tag_list);
; G1 W5 ]8 w% Z. q  irc=UF_MODL_ask_body_feats(three_element,&feature_tag_list);
+ a* R9 n# n# ]' S( D0 w! L  tag_t list_item;
  irc=UF_MODL_ask_list_item(feature_tag_list,0,&list_item);
; {  n2 ~6 n+ Z# G& C: e; H8 A) l1 S  获取拉伸曲线
! f% J  c, b6 `8 p2 G  int pro_number;
  ?& e$ @' d9 g- n1 m9 m  int gui_number;
  tag_t* pro_tag;
  tag_t* gui_tag;
  irc=UF_MODL_ask_sweep_curves(list_item,&pro_number,&pro_tag,&gui_number,&gui_tag);
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