NX二次开发中有关表达式的操作代码分享

admin

NX二次开发中有关表达式的操作代码分享
- @& i+ G2 \3 j; v+ a) T

1. 
   
2. <p>static void do_UGopen_api(void)
   / C; L& Z7 N2 q& }  z5 @: c1 P$ t) ~
3. {
   
4. // create block 1
   
5. double coner[3] = {0,0,0};
   7 c& y: c, B. _7 L6 {2 A% N7 R
6. char *edges[3] = {"l=100","w=100","h=20"};
   
7. tag_t blk_tag;
   
8. UF_MODL_create_block1(UF_NULLSIGN,coner,edges,&blk_tag);
   
9. // create a hole
   
10. double dir[3] = {0,0,1};
    
11. double coner1[3] = {50,50,0};
    
12. tag_t cyl_tag;
    . B! s& v% {' W
13. UF_MODL_create_cyl1(UF_POSITIVE,coner1,"h+30","50",dir,&cyl_tag);</p><p> /*
    
14. create expression and delete it
    
15. */
    7 ^/ `7 w" U& f+ K3 M# b
16. // create expression
    $ ?6 ?5 i* l+ X4 ?  o: Q, g3 g* h
17. char *exp_str,*str,*value;
    ) X2 F: l: }, Y+ [: P
18. exp_str = "new_exp= 100";
    & G. q0 n; |- I% o7 }* c+ e' S
19. tag_t new_exp,old_exp_tag;
    
20. char *str_exp,*str_old_exp;
    
21. int nums;
    4 G& b- m, v! R4 B
22. tag_t *exps;
    , s: e. g9 ?- a/ Y, X  \
23. // before create the new expression, we need check if the expressions have been created or not
    * x) N6 A; }2 l. \; g$ ]
24. // if having, we delete it
    
25. tag_t part= UF_PART_ask_display_part();
    
26. UF_MODL_ask_exps_of_part(part,&nums,&exps);
    1 ~: V9 M1 X' c  g9 z+ Q" e+ A
27. UF_UI_open_listing_window();
    
28. if(nums != 0 )
    
29. {
    
30.   for(int i = 0 ; i < nums; i++)
    
31.   {
    1 B$ K$ c; m9 O) ?9 X7 H7 w
32.    UF_MODL_ask_exp_tag_string(exps[i],&str_old_exp);
    6 e+ K' I4 g  G0 g6 E
33.    UF_MODL_dissect_exp_string(str_old_exp,&str,&value,&old_exp_tag);
    
34.    if(!strcmp(str,"new_exp"))
    
35.    {
    - l2 c, c' ^' m7 F% k
36.      //UF_UI_write_listing_window("we find the alreay expressions ==> new_exp and delete it \n");
    
37.      //delete expression
    
38.      UF_MODL_delete_exp(str);
    - u: o- H. }3 y' |# J
39.      UF_MODL_update();
    
40.      break;
    
41.    }
    
42.   }
    
43. }
    
44. //UF_UI_write_listing_window("we can not find the expression ==> new_exp and create it \n");
    # o/ \1 j# c6 M4 ~% v
45. UF_MODL_create_exp_tag(exp_str,&new_exp);
    
46. UF_UI_write_listing_window("The new created expression is : \n");
    
47. UF_MODL_ask_exp_tag_string(new_exp,&str_exp);
    
48. UF_UI_write_listing_window(str_exp);
    
49. UF_free(str_exp);
    
50. UF_free(str);
    ( |! y! s2 p, E9 M9 |; {3 X
51. UF_free(value);
    
52. UF_UI_write_listing_window("\n");</p><p>｝</p>

复制代码