给大家看一个实例，很早用C写的代码

ugii

//铸入型起重棒
/* These include files are needed for the following template code. */
#include <stdio.h>
7 N- V" f/ H- S  u. _9 G) }#include <uf.h>
#include <uf_defs.h>
$ x( [/ v) Z; y( k/ L7 _# c3 p/ a#include <uf_exit.h>
. U5 m! x$ s* Y+ y: p#include <uf_ui.h>
#include <uf_styler.h>
+ s7 h: Y4 P  T; j% d5 U#include <uf_mb.h>
& L1 O" L, X3 ]( m: A% i#include "CCHF.h"
#include <uf_modl.h>
#include <uf_obj.h>
#include <math.h>

/* The following definition defines the number of callback entries */
: A% I. O& `; Q: E! ]9 \/* in the callback structure: */
/* UF_STYLER_callback_info_t CCHF_cbs */
  B% g/ L$ H6 d. x#define CCHF_CB_COUNT ( 6 + 1 ) /* Add 1 for the terminator */

/*--------------------------------------------------------------------------
The following structure defines the callback entries used by the
3 P9 _% V6 ~# P7 @1 R8 Dstyler file. This structure MUST be passed into the user function,
& o! E, U; g) A: I0 CUF_STYLER_create_dialog along with CCHF_CB_COUNT.
1 s# `" f5 }: C/ X+ S--------------------------------------------------------------------------*/
! q) P9 f. O- Y( `) E- O. Mstatic UF_STYLER_callback_info_t CCHF_cbs[CCHF_CB_COUNT] =
{
# @  c& T  ^- M) K7 @3 V2 w{UF_STYLER_DIALOG_INDEX, UF_STYLER_CONSTRUCTOR_CB , 0, CCHF_con_cb},
5 l$ ]' x& ~' ~  N/ c1 n: q* ?: D{UF_STYLER_DIALOG_INDEX, UF_STYLER_OK_CB , 0, CCHF_apply_cb},
{UF_STYLER_DIALOG_INDEX, UF_STYLER_APPLY_CB , 0, CCHF_apply_cb},
{UF_STYLER_DIALOG_INDEX, UF_STYLER_CANCEL_CB , 0, CCHF_cancel_cb},
9 \% e1 b9 k" M5 r4 s' W2 ?! f/ T{CCHF_TYPE , UF_STYLER_VALUE_CHANGED_CB, 0, CCHF_type_cb},
/ D: P2 g0 y6 o  O) \{CCHF_OPTION_D , UF_STYLER_ACTIVATE_CB , 0, CCHF_D_cb},
{UF_STYLER_NULL_OBJECT, UF_STYLER_NO_CB, 0, 0 }
};
static UF_MB_styler_actions_t actions[] = {
4 m% Q0 F5 }7 m- D{ "CCHF.dlg", NULL, CCHF_cbs, UF_MB_STYLER_IS_NOT_TOP },
7 |, G$ h* E5 m6 b' N5 d% U{ NULL, NULL, NULL, 0 } /* This is a NULL terminated list */
};

char * strings_D[6]={"25","32","36","40","50","70"};
0 ^- @  o: }' n" }. I$ u' [char * D;
% T) g& s& V' x# d! m! B+ U6 ~* Q3 zint user_click=0;
$ h) N9 c: z0 l# P* T; {  z# U, ]int cancel_click=0;
int type,D_int;

extern void ufusr (char *param, int *retcode, int rlen)
{
int response = 0;
int error_code = 0;

int choice;
int defalt[2];
double point1[3],point2[3],point3[3],point4[3],point5[3],point6[3];
double direction[3]={0,1,0};
// int i;

char * D1, * D2, * T, * A, * B, * C, * E;
# L" k9 B& Q9 Achar * R1;
char * block_len[3];
UF_FEATURE_SIGN sign = UF_NULLSIGN; //建立一个新的目标体
UF_FEATURE_SIGN sign1 = UF_NEGATIVE; //减去目标实体
+ ?2 m& X8 m1 u% q  B; v' NUF_FEATURE_SIGN sign2 = UF_POSITIVE; //加目标实体
tag_t cyl1_obj,cyl1_fea,cyl2_obj,cyl3_obj,cyl4_obj,cyl5_obj,blk_obj;
tag_t blend1_tag,blend2_tag,blend3_tag,blend4_tag;

uf_list_p_t edge_list,object_list;

if ( ( UF_initialize() ) != 0 )
- ~" B: n- O9 k. L5 i) J9 _return;

if ( ( error_code = UF_STYLER_create_dialog ( "CCHF.dlg",
/ W6 ]; C) |( k6 FCCHF_cbs, /* Callbacks from dialog */
( y0 C$ k, {! d! B+ f( I- Q, GCCHF_CB_COUNT, /* number of callbacks*/
NULL, /* This is your client data */
1 K/ t) b* E8 f8 G9 I&response ) ) != 0 )
{
! E; G  n4 F7 I( Zchar fail_message[133];

/* Get the user function fail message based on the fail code.*/
1 g/ |* O0 w/ m- F0 X4 PUF_get_fail_message(error_code, fail_message);
0 }1 `7 _' P4 V$ K5 C: ]UF_UI_set_status (fail_message);
printf ( "%s\n", fail_message );
; b) [' c* c& `}

if(cancel_click==1)
{
3 @: h# H6 }8 L- jUF_terminate();
) i% b0 a! c, e( _; G' s2 {return;
7 E1 p4 ^1 ^" D}

switch(D_int)
3 \) r. d5 Q  z, U- r$ m, }{
) Z: q" g8 I- `0 O# T. @case 0:
D1="46";
. W; P7 i" Y6 }D2="36";
  {" x( K( r( k" t$ uT="12.6";
A="25";
B="30";
C="15";
% X4 r  \1 t7 L3 x/ j0 @; yE="16.6";
' D4 n1 d  y, T6 x- F; rif(type==1)
{
/ t, h- I  I# j" K* bD1="60";
}
: w8 O5 M( C" Q% H& `: |. k* a! dbreak;
# t6 w3 h2 ~8 J/ a+ ?; _case 1:
. J$ \* ^- \+ O" [" ED1="55";
D2="42";
T="13.1";
8 F0 U- p( E5 e- W# iA="30";
B="40";
C="20";
E="16.8";
if(type==1)
{
% j1 p3 w1 S/ K$ |" D& ~D1="70";
$ H; m. Y( ]7 X- S1 B, O( R}
+ p  z& J6 {& dbreak;
case 2:
D1="60";
D2="46";
T="18.5";
* m$ s  e8 S1 ?, V( qA="35";
4 p/ T% y6 l- e. m2 V$ kB="45";
9 Z( ?' g2 i4 N: N5 e4 lC="25";
E="17";
* T7 p% V. Q" X1 p* ]- ~( Eif(type==1)
: C, q5 H8 M8 H* D+ H2 u( V# y8 _{
D1="80";
}
break;
case 3:
. c% q0 n# S) {$ }+ M% ED1="70";
D2="55";
9 q9 x3 ?1 y* IT="18.9";
A="35";
6 z6 T+ O4 f% c) n2 AB="60";
C="30";
E="17.4";
if(type==1)
4 |+ Z! h* `% V3 @- @{
3 S9 Z! @! k  G) a' R, t* `D1="90";
}
break;
+ L5 L3 \3 l; _" w, ncase 4:
D1="90";
. Z: |. q9 o- d$ B& ND2="70";
T="25.2";
A="35";
B="70";
C="40";
E="18.1";
" A+ @- t* Q: f& m$ }+ t  Iif(type==1)
% g7 ~( h+ q/ T$ o/ k$ O5 _4 e{
3 D! ~. p( O- _& A5 |# ID1="120";
}
; ?! \# A) d& ^$ f" W2 `break;
case 5:
D1="120";
; e* L( _/ l/ w* @6 k8 N/ gD2="100";
# A5 [+ E: {$ o+ H+ [6 JT="31.1";
* I, W$ l' x1 u8 Y3 q9 PA="40";
B="80";
4 Y. j6 a* P' P% x) F0 w" `C="40";
8 Q0 `  J* n! \" ?2 V* @. DE="19.4";
if(type==1)
{
D1="140";
}
break;
default:
break;
. y, q, l7 S6 z+ m: @% ^; b7 U}

if (user_click==1)
{
  U5 _& c3 P% U2 n, Fchoice = uc1616("指定插入点", defalt, 0, point1);
if(choice == 2) //判断退出对话框
{
UF_terminate();
return;
}

R1="2";
if(type==1)
" }, H* H) [6 \  Y{
R1="4";
}
. k; c7 A# K. h8 q) I- r! M# [//cyl1
UF_MODL_create_cyl1 (sign,point1,T,D1,direction,&cyl1_obj);
UF_MODL_ask_feat_body(cyl1_obj,&cyl1_fea);
4 u6 h) g4 O$ c: M- F! @, _UF_OBJ_set_color (cyl1_fea, 9); //设置实体颜色

UF_MODL_create_list(&edge_list);
- B4 x7 ^. \8 {4 ]( BUF_MODL_ask_feat_edges (cyl1_obj, &edge_list);
UF_MODL_create_blend (R1, edge_list, 0, 0, 0, 0.5, &blend1_tag); //倒圆角cyl1
! A+ `* q1 T& x( |5 ZUF_MODL_delete_list(&edge_list);
//cyl2
point2[0]=point1[0];
8 f1 q3 k* e- C# i: [  B8 cpoint2[1]=point1[1]+atof(T);
point2[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point2,A,D,direction,&cyl2_obj);
//cyl3
point3[0]=point1[0];
point3[1]=point2[1]+atof(A);
' B2 h3 z8 S6 n' M2 C3 y1 h/ opoint3[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point3,B,D2,direction,&cyl3_obj);
& }, y" a& d6 r% L3 u! I//cyl4
3 h: ^% d# m1 Q0 h, N/ E( A) opoint4[0]=point1[0];
& c* T- N2 }! ^+ o8 X' j3 d3 epoint4[1]=point3[1]+atof(B);
& D& h7 @, ~+ wpoint4[2]=point1[2];
8 o* M& ?( f6 f- gUF_MODL_create_cyl1 (sign2,point4,C,D,direction,&cyl4_obj);
+ a+ ], r5 ]  }$ E! _! r4 G8 m//cyl5
point5[0]=point1[0];
point5[1]=point4[1]+atof(C);
  q! H- s; ]) ~point5[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point5,E,D2,direction,&cyl5_obj);
! E: \5 \+ H; S; L: [//倒圆角
UF_MODL_create_list(&edge_list);
; j2 ]/ \' a6 T9 X6 V$ S. zUF_MODL_ask_feat_edges (cyl2_obj, &edge_list);
UF_MODL_create_blend ("5", edge_list, 0, 0, 0, 0.5, &blend2_tag); //倒圆角cyl2
UF_MODL_delete_list(&edge_list);

UF_MODL_create_list(&edge_list);
UF_MODL_ask_feat_edges (cyl4_obj, &edge_list);
UF_MODL_create_blend ("3", edge_list, 0, 0, 0, 0.5, &blend3_tag); //倒圆角cyl4
UF_MODL_delete_list(&edge_list);

UF_MODL_create_list(&edge_list);
UF_MODL_ask_feat_edges (cyl5_obj, &edge_list);
UF_MODL_create_blend ("3", edge_list, 0, 0, 0, 0.5, &blend4_tag); //倒圆角cyl5
5 ?6 Z8 D; D2 H; d; d; WUF_MODL_delete_list(&edge_list);
//减体用blk
2 u. ?: }7 a4 V2 _1 |block_len[0] = D2;
# T" Q+ |5 P6 y/ [block_len[1] = D2;
  R4 s" h+ R/ o7 m# pblock_len[2] = D2;
point6[0]=point1[0]+atof(D)/2;
# n: n& A; y. {) J/ Cpoint6[1]=point5[1]-8;
point6[2]=point1[2]-atof(D2)/2;
UF_MODL_create_block1 (sign1, point6, block_len, &blk_obj);
//消参
UF_MODL_create_list(&object_list);
( S. s1 P# o! h8 x6 F0 YUF_MODL_put_list_item(object_list, cyl1_fea);
. G; k5 f+ u( V* |  g) x6 TUF_MODL_delete_object_parms (object_list);
UF_MODL_delete_list(&object_list);
}

UF_terminate();
( G! ?" N6 f8 q% v# {return;
}
/ ?4 i; X* V+ l5 Nextern int ufusr_ask_unload (void)
  n' Y  H5 G$ ^) H' K8 B9 q7 l{
/* unload immediately after application exits*/
6 {. S5 e6 \! D4 P) xreturn ( UF_UNLOAD_IMMEDIATELY );

/*via the unload selection dialog... */
) H( G+ H# V; O, i  f5 ]5 {2 w/*return ( UF_UNLOAD_SEL_DIALOG ); */
/*when ug terminates... */
/*return ( UF_UNLOAD_UG_TERMINATE ); */
; E6 j7 ]- o+ \' }7 n/ Y, S5 i8 O}

extern void ufusr_cleanup (void)
0 n$ K/ h. c4 w+ z8 x{
return;
0 \8 B* ]: V3 M# O+ t/ Z% c0 F}
7 M+ d) L( H3 h- M3 rint CCHF_con_cb ( int dialog_id,
% r9 x* ?5 V' d. xvoid * client_data,
, ?/ `9 F- x, R  Z* [# lUF_STYLER_item_value_type_p_t callback_data)
3 E+ }- W3 u% F5 g2 [{
/* Make sure User Function is available. */
UF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
return ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
data.item_id = CCHF_OPTION_D;
data.item_attr = UF_STYLER_SUBITEM_VALUES;
3 Q. f; B  s4 C" i% Xdata.count = 6;
/ ~2 ~% {* k$ V' vdata.value.strings = strings_D;
! B8 Y4 j3 J2 L) a, V3 cUF_STYLER_set_value(dialog_id,&data);

data.item_id = CCHF_WIDE_STRING;
2 ^. g5 {/ ~; C5 B( r# ]data.item_attr = UF_STYLER_VALUE;
data.value.string = "三住标准/材质：S25C";
% j4 A/ L. [( I' P3 jUF_STYLER_set_value(dialog_id,&data);

D="25";
# a0 g, K+ H  e, ]" Ktype=0;
D_int=0;

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
7 e% q( E- I$ q& h  breturn (UF_UI_CB_CONTINUE_DIALOG);
6 b0 h# r0 M, X* U5 I/* A return value of UF_UI_CB_EXIT_DIALOG will not be accepted */
8 y& j; }9 [0 n+ Y7 O/ {5 u! G/* for this callback type. You must continue dialog construction.*/

}

int CCHF_apply_cb ( int dialog_id,
7 T% c) z7 U& \$ p5 {& i' J+ R8 }9 A! fvoid * client_data,
2 @7 F; V. P; V+ hUF_STYLER_item_value_type_p_t callback_data)
; J0 x3 x4 x/ l& V4 M{
9 ]! a, u' I& o/* Make sure User Function is available. */
if ( UF_initialize() != 0)
9 Z8 h( e" U+ B3 Nreturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
+ i2 O( Q, i3 i! h  L! juser_click=1;

UF_terminate ();

/* Callback acknowledged, terminate dialog */
8 x8 z3 z- f: g. D$ P; D/* It is STRONGLY recommended that you exit your */
/* callback with UF_UI_CB_EXIT_DIALOG in a ok callback.*/
5 P* p+ |/ n, L6 x) Q/* return ( UF_UI_CB_EXIT_DIALOG ); */
return (UF_UI_CB_EXIT_DIALOG);

}

int CCHF_cancel_cb ( int dialog_id,
void * client_data,
UF_STYLER_item_value_type_p_t callback_data)
{
/* Make sure User Function is available. */
if ( UF_initialize() != 0)
return ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
0 E2 u4 A& O" _" F  y9 y) C4 ncancel_click=1;

UF_terminate ();

/* Callback acknowledged, terminate dialog */
% J  V- ]/ {. N4 a& I; U7 Y( P/* It is STRONGLY recommended that you exit your */
/* callback with UF_UI_CB_EXIT_DIALOG in a cancel call */
1 w: k# T6 b% V; v4 H% J: g- x/* back rather than UF_UI_CB_CONTINUE_DIALOG. */
3 F- R8 r5 i* Y& J, V+ l- M% |# Qreturn ( UF_UI_CB_EXIT_DIALOG );

}

int CCHF_type_cb ( int dialog_id,
void * client_data,
UF_STYLER_item_value_type_p_t callback_data)
+ g, G& E1 m, g  i+ c. r3 {{
. t; q( q2 q: q- m* F/* Make sure User Function is available. */
) Q2 W+ Y/ L. i8 i- o  \0 ~UF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
return ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
data.item_id = CCHF_TYPE;
2 l7 w1 d  w# [+ B: p/ X, G$ k" Hdata.item_attr = UF_STYLER_VALUE;
; ~* I* X2 q7 _( AUF_STYLER_ask_value(dialog_id,&data);

type=data.value.integer;

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
1 {7 i/ F9 _+ D/ I& b* m  xreturn (UF_UI_CB_CONTINUE_DIALOG);

/* or Callback acknowledged, terminate dialog. */
0 v* t9 {' s/ H5 I2 v$ l/* return ( UF_UI_CB_EXIT_DIALOG ); */

}

int CCHF_D_cb ( int dialog_id,
& G1 `& ]4 I  h9 Zvoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
( h( \9 r" T% M# c. Z5 \{
6 M. T5 H% B* C' o8 [9 V6 {/* Make sure User Function is available. */
! D7 J+ @, W$ U7 k6 yUF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
& S' ]# A# A# }8 a( U4 X% |: p( ~return ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
data.item_id = CCHF_OPTION_D;
data.item_attr = UF_STYLER_VALUE;
UF_STYLER_ask_value(dialog_id,&data);

D_int=data.value.integer;
/ x  A1 n% U/ G0 JD=strings_D[D_int];

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
0 a6 a7 _1 j, \, F  _return (UF_UI_CB_CONTINUE_DIALOG);

/* or Callback acknowledged, terminate dialog. */
: C& }3 h0 g" D0 E/* return ( UF_UI_CB_EXIT_DIALOG ); */

}

5 x- b* b& A* ]7 z3 ~2 @% ]* A