获取部件中所有的表达式，并对表达式进行更改，更新模型

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获取部件中所有的表达式，并对表达式进行更改，更新模型

5 `( P' J% {+ e# K% E, ?结果：
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- W; f$ m: C0 W# y2 m' j7 t( Q9 tBefore change the value :
p0=20
; W# K& ?2 Z9 v) W7 M* w& w- ep1=h
$ A  ^" ]% b* t$ P9 Ow=100
/ P. |6 Y# M+ I5 Dh=20
l=200
Start to change the expressions :
  Z8 E5 m2 U: u! [- E0 Ip0=20
p1=h
w=100
h=20
. e! X9 @8 }9 {; t8 Kl=200
$ q5 l- R. n+ g, E3 G9 Z# M8 x
5 B' W0 j& N, C" q7 z' c
. @& X# ^. h2 I

1. <p>
   
2. static void do_UGopen_api(void)
   
3. {
   
4. // create block 1
   2 _, [) M0 P5 h1 c
5. double coner[3] = {0,0,0};
   
6. char *edges[3] = {"l=100","w=100","h=20"};
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7. tag_t blk_tag;
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8. UF_MODL_create_block1(UF_NULLSIGN,coner,edges,&blk_tag);
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9. // create a hole
   
10. double dir[3] = {0,0,1};
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11. double coner1[3] = {50,50,0};
    
12. tag_t cyl_tag;
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13. UF_MODL_create_cyl1(UF_NEGATIVE,coner1,"h","20",dir,&cyl_tag);</p><p> // get the expressions
    
14. tag_t part=UF_PART_ask_display_part();
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15. int number_of_exps = 0;
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16. tag_t *exps;
    
17. char *str;
    
18. char expStr[133];
    
19. UF_UI_open_listing_window();
    
20. UF_MODL_ask_exps_of_part(part,&number_of_exps,&exps);
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21. UF_UI_write_listing_window("Before change the value : \n");
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22. for(int i = 0 ; i < number_of_exps;i++)
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23. {
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24.       
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25.    UF_MODL_ask_exp_tag_string(exps[i],&str);
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26.    UF_UI_write_listing_window(str);
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27.    UF_UI_write_listing_window("\n");
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28.    UF_free(str);
    
29. }
    
30. 
    
31. UF_free(exps);
    
32. //Start to change the expressions
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33. UF_UI_write_listing_window("Start to change the expressions : \n");
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34. char *exp_str = "l = 200";
    
35. UF_MODL_edit_exp(exp_str);
    
36. UF_MODL_update();
    
37. exp_str = "\0";
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38. //get the new exps
    
39. UF_MODL_ask_exps_of_part(part,&number_of_exps,&exps);
    
40. for(int i = 0 ; i < number_of_exps;i++)
    
41. {
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42.    UF_MODL_ask_exp_tag_string(exps[i],&str);
    
43.    UF_UI_write_listing_window(str);
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44.    UF_UI_write_listing_window("\n");
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45.    UF_free(str);
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46. }
    
47. UF_free(exps);
    
48. }</p><p> </p>

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