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NX二次开发中有关表达式的操作代码分享. {3 B# ]$ X. t
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- <p>static void do_UGopen_api(void)
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- // create block 1* C' p% \/ U; l$ O7 @6 ^
- double coner[3] = {0,0,0};
, c4 R" o! q" n# m$ K0 y6 l - char *edges[3] = {"l=100","w=100","h=20"};, Q! z- c6 e( D1 o; ]* M. M, u
- tag_t blk_tag;) p/ Y! j3 o1 D( K
- UF_MODL_create_block1(UF_NULLSIGN,coner,edges,&blk_tag);
. D- D" I9 l- U1 e- l! p - // create a hole: V: z+ V0 P+ ^* H2 L5 k% e
- double dir[3] = {0,0,1};$ O7 a. T7 G" x' q
- double coner1[3] = {50,50,0};
* z% N0 b2 H8 U - tag_t cyl_tag;
+ @0 ^' e1 ?+ G: `, E: ?- M - UF_MODL_create_cyl1(UF_POSITIVE,coner1,"h+30","50",dir,&cyl_tag);</p><p> /*' n+ a4 b( K P* |& Q) ?2 G% u
- create expression and delete it
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, F7 i' k5 d$ }4 P- C9 @ I - // create expression
+ L0 z h- X2 ? - char *exp_str,*str,*value;
3 |! ^/ i+ v1 P - exp_str = "new_exp= 100";
% M' b4 s, D4 G u- w3 m% \# K) R - tag_t new_exp,old_exp_tag;
/ q# T0 Y/ a; N - char *str_exp,*str_old_exp;
% {' z$ @* H, G2 _7 t - int nums;5 i- U z. v/ p5 t
- tag_t *exps;
. _; Z- f- R% J6 S" S - // before create the new expression, we need check if the expressions have been created or not ' }; m' z# {( A: ^4 f7 J
- // if having, we delete it
) C1 k0 O( W, P+ w - tag_t part= UF_PART_ask_display_part();+ B1 u9 z0 o/ Z% v @7 A
- UF_MODL_ask_exps_of_part(part,&nums,&exps);$ e* [! `0 v; t1 N
- UF_UI_open_listing_window();% a; C( Q. w" [/ g! N7 ^
- if(nums != 0 )1 K% ~* Y" U& E7 p2 t
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- for(int i = 0 ; i < nums; i++)1 i7 m% w3 a: p: `& ]( w
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- UF_MODL_ask_exp_tag_string(exps[i],&str_old_exp);
5 }+ f; H9 B* Z4 h7 V3 Z - UF_MODL_dissect_exp_string(str_old_exp,&str,&value,&old_exp_tag);
" m: X' D/ z4 r8 H) u! E - if(!strcmp(str,"new_exp"))
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- //UF_UI_write_listing_window("we find the alreay expressions ==> new_exp and delete it \n");$ L! f6 _8 x6 o; }! t
- //delete expression; H0 y7 n1 U X. a4 L' w3 R/ F: w
- UF_MODL_delete_exp(str);' `5 I9 O3 C: k# Q
- UF_MODL_update();+ i: I. ?9 m5 M" n( a" O
- break;( v+ X/ {0 }3 E* B1 M
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- //UF_UI_write_listing_window("we can not find the expression ==> new_exp and create it \n");: N( }) ^- n: Y* w, U
- UF_MODL_create_exp_tag(exp_str,&new_exp);4 g- Y V1 z# Z% v5 T0 R
- UF_UI_write_listing_window("The new created expression is : \n");
$ _- {0 v; O H5 g }! U - UF_MODL_ask_exp_tag_string(new_exp,&str_exp);
( x v; y0 Z' ?1 q& s - UF_UI_write_listing_window(str_exp);
5 Y# r& `- a$ ^/ M) {. v - UF_free(str_exp);# `5 g$ Z& H G6 {! l
- UF_free(str);
' ]3 }+ p# }, A# M% O! B7 R - UF_free(value);) S! d; x. E/ R& V2 T9 h: t# G
- UF_UI_write_listing_window("\n");</p><p>}</p>
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