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

. `; p  g* u1 C1 t, A结果：

Before change the value :
! s( B+ Q( o" q% V7 t- P5 kp0=20
6 S( n/ w; J; r) F( Fp1=h
w=100
h=20
l=200
& R: k  I. i9 WStart to change the expressions :
2 e7 Z# R! C# y+ b- P! v6 f' kp0=20
p1=h
% ^: B. _# ?0 a5 s) v( kw=100
h=20
l=200
4 F( c  x2 {& e# }& o; p) G, S

8 Y- O* }0 ^) \! T1 g

1. <p>
   
2. static void do_UGopen_api(void)
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3. {
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4. // create block 1
   % b0 ?. B3 b! o: b( ~0 E0 D. H
5. double coner[3] = {0,0,0};
   
6. char *edges[3] = {"l=100","w=100","h=20"};
   
7. tag_t blk_tag;
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8. UF_MODL_create_block1(UF_NULLSIGN,coner,edges,&blk_tag);
   
9. // create a hole
   , d; z8 I4 b* J7 X5 v% L
10. double dir[3] = {0,0,1};
    5 q, I% k* r) n; l" C' A
11. double coner1[3] = {50,50,0};
    
12. tag_t cyl_tag;
    
13. UF_MODL_create_cyl1(UF_NEGATIVE,coner1,"h","20",dir,&cyl_tag);</p><p> // get the expressions
    / W( X/ ?4 B) j$ Y$ ^9 _; i3 T' |7 A
14. tag_t part=UF_PART_ask_display_part();
    
15. int number_of_exps = 0;
    
16. tag_t *exps;
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17. char *str;
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18. char expStr[133];
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19. UF_UI_open_listing_window();
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20. UF_MODL_ask_exps_of_part(part,&number_of_exps,&exps);
    # h( w$ j1 W: d
21. UF_UI_write_listing_window("Before change the value : \n");
    7 h& }8 u" O: ~& x
22. for(int i = 0 ; i < number_of_exps;i++)
    
23. {
    
24.       
    ! _# {0 e% H$ _, y" R3 ^- \
25.    UF_MODL_ask_exp_tag_string(exps[i],&str);
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26.    UF_UI_write_listing_window(str);
    
27.    UF_UI_write_listing_window("\n");
      r( }; n& d$ T& I' y
28.    UF_free(str);
    - A7 U1 a, u  X' X
29. }
    
30. 
    ) V8 M- _6 `( y" o/ e; _; z$ Q
31. UF_free(exps);
    
32. //Start to change the expressions
    
33. UF_UI_write_listing_window("Start to change the expressions : \n");
    
34. char *exp_str = "l = 200";
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35. UF_MODL_edit_exp(exp_str);
    
36. UF_MODL_update();
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37. exp_str = "\0";
    
38. //get the new exps
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39. UF_MODL_ask_exps_of_part(part,&number_of_exps,&exps);
    
40. for(int i = 0 ; i < number_of_exps;i++)
    
41. {
    ) I! p" ^4 V1 |1 s9 M, M8 r
42.    UF_MODL_ask_exp_tag_string(exps[i],&str);
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43.    UF_UI_write_listing_window(str);
    5 b( G, ]0 d7 f: }( A3 V9 E
44.    UF_UI_write_listing_window("\n");
    6 l9 T/ m1 L0 {4 ?
45.    UF_free(str);
    # w8 J2 L9 x8 v
46. }
    
47. UF_free(exps);
    1 A& A$ h( v, J8 q4 v
48. }</p><p> </p>

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