给大家看一个实例，很早用C写的代码

ugii

//铸入型起重棒
8 }: ^, t( A8 C" J! L- Z/* These include files are needed for the following template code. */
#include <stdio.h>
. E) V+ O/ c* r, r4 l#include <uf.h>
' E8 a2 }# C: p1 k- ?) ?- [  U#include <uf_defs.h>
4 W* W. D! z  W, A  ?5 U#include <uf_exit.h>
#include <uf_ui.h>
#include <uf_styler.h>
#include <uf_mb.h>
7 O3 l* X! E. q" O: n#include "CCHF.h"
#include <uf_modl.h>
; O+ a; k# k6 r6 b& L#include <uf_obj.h>
#include <math.h>

/* The following definition defines the number of callback entries */
/* in the callback structure: */
$ ^% @/ `" d0 R; u6 o/* UF_STYLER_callback_info_t CCHF_cbs */
  T% R8 Q! K4 H" p& D+ C- H$ W#define CCHF_CB_COUNT ( 6 + 1 ) /* Add 1 for the terminator */

/*--------------------------------------------------------------------------
The following structure defines the callback entries used by the
styler file. This structure MUST be passed into the user function,
0 |0 o3 G% x8 G7 x0 H* wUF_STYLER_create_dialog along with CCHF_CB_COUNT.
--------------------------------------------------------------------------*/
5 b# R& T/ L% lstatic UF_STYLER_callback_info_t CCHF_cbs[CCHF_CB_COUNT] =
{
: H6 W! d" d6 l& h+ B$ B7 t  d% M{UF_STYLER_DIALOG_INDEX, UF_STYLER_CONSTRUCTOR_CB , 0, CCHF_con_cb},
{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},
5 C& |' x( r; U& x* Y0 j* M, K& ~! ~{CCHF_TYPE , UF_STYLER_VALUE_CHANGED_CB, 0, CCHF_type_cb},
{CCHF_OPTION_D , UF_STYLER_ACTIVATE_CB , 0, CCHF_D_cb},
  p* t2 O( J1 S. T{UF_STYLER_NULL_OBJECT, UF_STYLER_NO_CB, 0, 0 }
};
static UF_MB_styler_actions_t actions[] = {
{ "CCHF.dlg", NULL, CCHF_cbs, UF_MB_STYLER_IS_NOT_TOP },
{ NULL, NULL, NULL, 0 } /* This is a NULL terminated list */
$ T8 O9 H1 M; `2 d6 Z' k( E9 E};

char * strings_D[6]={"25","32","36","40","50","70"};
  B6 S. T0 ^: k8 ]char * D;
& y3 \9 V4 `4 z' M  wint user_click=0;
int cancel_click=0;
2 Y+ N4 R* K( P! Y# z3 fint type,D_int;

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

int choice;
int defalt[2];
  A) f7 b. b! q; l' }( R1 O: pdouble point1[3],point2[3],point3[3],point4[3],point5[3],point6[3];
5 y: z" H! _! \: I$ B6 Xdouble direction[3]={0,1,0};
// int i;

char * D1, * D2, * T, * A, * B, * C, * E;
char * R1;
char * block_len[3];
$ ]1 n0 _% ?; F  ~6 UUF_FEATURE_SIGN sign = UF_NULLSIGN; //建立一个新的目标体
  V% I* Y# `' ~  OUF_FEATURE_SIGN sign1 = UF_NEGATIVE; //减去目标实体
/ l5 Y9 |( ]& |) p* V% F- U" ]UF_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;
& R) e# H. y1 y; P5 f. [% }5 Xtag_t blend1_tag,blend2_tag,blend3_tag,blend4_tag;

uf_list_p_t edge_list,object_list;

if ( ( UF_initialize() ) != 0 )
2 Z' M: A! r! F* d0 Ireturn;

if ( ( error_code = UF_STYLER_create_dialog ( "CCHF.dlg",
CCHF_cbs, /* Callbacks from dialog */
CCHF_CB_COUNT, /* number of callbacks*/
NULL, /* This is your client data */
&response ) ) != 0 )
3 L0 F/ C4 M+ Y7 T( y! Z{
char fail_message[133];

/* Get the user function fail message based on the fail code.*/
UF_get_fail_message(error_code, fail_message);
UF_UI_set_status (fail_message);
* v+ ]9 \  ]/ t% d- J4 M. e" i  Y% U& Fprintf ( "%s\n", fail_message );
' ]2 k  p  A! H  f, |}

if(cancel_click==1)
{
UF_terminate();
( S0 |2 k7 U5 I+ B0 j, Creturn;
$ }6 A* a8 V7 C9 Y4 F}

switch(D_int)
{
, e6 m! J& ^# G. d$ K0 n/ }case 0:
, n8 e) X. k' @- ^& w) z  l- yD1="46";
" ?  O* q( S( SD2="36";
T="12.6";
A="25";
' J9 h0 o$ A4 g* E. b# C" a# S! FB="30";
C="15";
. j. W" D; {, c: K' j/ jE="16.6";
( f% P9 D7 Z7 I, u0 l6 o* tif(type==1)
& O) E) i! a: |4 s2 {7 \{
5 y" e* P0 {5 [  S! ^& hD1="60";
. p# {; [! v0 c- y: Y) D9 v}
break;
" i' }0 i2 \6 m+ l! ~case 1:
4 ]" e8 O$ x; f. E  j7 l6 e% v" }D1="55";
& h1 \: N3 N) nD2="42";
/ m9 S3 b  W4 I" Y  ^9 `  b$ jT="13.1";
. g" l8 l- N+ h1 [A="30";
B="40";
C="20";
E="16.8";
if(type==1)
{
D1="70";
}
7 r# j# e/ l- m, e2 p8 mbreak;
; k  V1 I! }4 \# U5 d# W5 Xcase 2:
0 o( Y- b" K3 S! L! _) VD1="60";
D2="46";
0 b: ~  ?; R& ?' J# s. U# U+ ?T="18.5";
& Y$ r+ o; F. j" c. uA="35";
( D* O% q: x- G5 n; p7 U8 eB="45";
C="25";
E="17";
1 z9 c9 C$ u. y& @/ \% v8 K1 V' a6 hif(type==1)
{
( Y3 I* f$ v# {7 V& vD1="80";
}
break;
case 3:
D1="70";
% B) Y$ b# n& \9 b" vD2="55";
1 g# ?+ A# f4 B* _% `! K0 CT="18.9";
A="35";
0 j; U( a6 ?- ?7 ?) a$ YB="60";
C="30";
" V0 d* t, M7 E0 m5 ]5 s( pE="17.4";
if(type==1)
{
! _/ T6 ^" p  S3 X/ L  hD1="90";
& l  A" q( E1 k6 h/ Y1 ^8 d}
; D; X0 ~! w7 r- A# Tbreak;
case 4:
D1="90";
' V$ a& ]/ p  O) c; V4 |D2="70";
9 u7 A- b" Y! B4 z& B0 m2 OT="25.2";
& }# E  b$ q, {8 cA="35";
B="70";
" K8 O8 \! E. B+ a$ RC="40";
E="18.1";
; G+ [: L+ Q. ?. M$ @1 _if(type==1)
{
1 Y- F9 W/ O6 @# ?7 VD1="120";
}
break;
case 5:
D1="120";
D2="100";
% d4 N$ E( j# wT="31.1";
- ]/ C; Q* B. T1 KA="40";
$ Y& U/ }  w, R; |- B& EB="80";
* e9 }5 `4 g7 u1 Y& @9 y) WC="40";
. _  @) ?! z( KE="19.4";
8 {! I* o- v* F8 zif(type==1)
{
D1="140";
" e5 t' [1 @3 Z  }5 ]}
break;
2 T% ^5 D1 ]0 [default:
break;
}

if (user_click==1)
3 k. z% D9 i; \. @5 w: c1 k. R{
choice = uc1616("指定插入点", defalt, 0, point1);
$ S9 _, `8 j$ v4 R: W5 F3 F) nif(choice == 2) //判断退出对话框
/ {& r9 Z9 x8 I$ K' f{
6 @7 {% m: p  AUF_terminate();
return;
}

R1="2";
if(type==1)
{
R1="4";
. a( m' H9 A4 I5 w% T}
: b' P. d" b# n/ b5 m' v* t//cyl1
- s. |' W$ I+ V1 I+ U: Q( o+ m) j( IUF_MODL_create_cyl1 (sign,point1,T,D1,direction,&cyl1_obj);
4 ^' @  W; i" Q6 \! J7 T3 jUF_MODL_ask_feat_body(cyl1_obj,&cyl1_fea);
UF_OBJ_set_color (cyl1_fea, 9); //设置实体颜色

UF_MODL_create_list(&edge_list);
2 |8 q, d6 l9 U/ r8 t# nUF_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
  O. i0 V+ a, g8 \* zUF_MODL_delete_list(&edge_list);
& j9 ?# A/ i7 c/ E  n//cyl2
- Q3 ~1 i# B0 Z: W* a  I9 j  Lpoint2[0]=point1[0];
point2[1]=point1[1]+atof(T);
8 ]  A$ Y/ q+ W- p, A6 spoint2[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point2,A,D,direction,&cyl2_obj);
7 r1 I5 n" Q: w8 \% K8 g* u//cyl3
, t$ n% B' P# `* i3 X9 ^2 Fpoint3[0]=point1[0];
point3[1]=point2[1]+atof(A);
0 P: d  p7 q9 v/ U- Fpoint3[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point3,B,D2,direction,&cyl3_obj);
//cyl4
1 F8 u* n" @- Q; X" k# D# r; h. dpoint4[0]=point1[0];
point4[1]=point3[1]+atof(B);
4 N! D& m& a; C1 e; Y2 k4 @3 wpoint4[2]=point1[2];
7 _* R# Z" Y. N8 |0 ?% bUF_MODL_create_cyl1 (sign2,point4,C,D,direction,&cyl4_obj);
6 N( G5 z& S$ t! A: F, k//cyl5
point5[0]=point1[0];
point5[1]=point4[1]+atof(C);
point5[2]=point1[2];
6 a" ^4 T# p, i/ y6 n6 v) C+ HUF_MODL_create_cyl1 (sign2,point5,E,D2,direction,&cyl5_obj);
8 ]( p% \; \9 V* [  V6 l( ^5 e//倒圆角
UF_MODL_create_list(&edge_list);
UF_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
UF_MODL_delete_list(&edge_list);
//减体用blk
$ q# u6 K, i* v  i+ J( c& Qblock_len[0] = D2;
5 U" p0 p+ K/ q( D& t5 I7 xblock_len[1] = D2;
+ H) y  q" r5 Q2 K! Pblock_len[2] = D2;
point6[0]=point1[0]+atof(D)/2;
point6[1]=point5[1]-8;
% E, u9 b; W' e: l4 Kpoint6[2]=point1[2]-atof(D2)/2;
4 j; f/ Q3 V# _  I, z( hUF_MODL_create_block1 (sign1, point6, block_len, &blk_obj);
/ i8 J, x! R1 d2 [//消参
; \2 N8 z4 F! A8 |$ pUF_MODL_create_list(&object_list);
UF_MODL_put_list_item(object_list, cyl1_fea);
1 A' Q  h9 Z. q5 m1 XUF_MODL_delete_object_parms (object_list);
UF_MODL_delete_list(&object_list);
4 p* a" ]* q# L, g- n# U+ _}

UF_terminate();
: E# K  {4 ]' w, w0 ~/ ?: nreturn;
8 b0 ?* m! H' U' @, U- E" I# h}
extern int ufusr_ask_unload (void)
{
. [) N( o8 H9 v5 p: ?7 p/* unload immediately after application exits*/
  _* T( Q$ G1 T% I" E1 K" r# @return ( UF_UNLOAD_IMMEDIATELY );

/*via the unload selection dialog... */
3 ], Q- k* q) T" E/*return ( UF_UNLOAD_SEL_DIALOG ); */
/*when ug terminates... */
/*return ( UF_UNLOAD_UG_TERMINATE ); */
2 b( _4 \& E* e  ]/ ]# @}

extern void ufusr_cleanup (void)
$ ~* K3 T6 o1 \- E3 h$ L! ^{
return;
}
int CCHF_con_cb ( int dialog_id,
1 q2 k1 ^* Y8 r- J8 x0 ]+ uvoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
{
$ X8 }2 K0 d# E4 k' y- z( U* r/* Make sure User Function is available. */
1 c7 T  ]+ Q; V% {8 b( @% q: HUF_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;
1 `  u( A" E7 u6 G0 ?3 pdata.item_attr = UF_STYLER_SUBITEM_VALUES;
data.count = 6;
* J! z$ C9 z) j0 n( ]data.value.strings = strings_D;
UF_STYLER_set_value(dialog_id,&data);

data.item_id = CCHF_WIDE_STRING;
# Q4 }: W- K8 F* l4 D- ^data.item_attr = UF_STYLER_VALUE;
data.value.string = "三住标准/材质：S25C";
UF_STYLER_set_value(dialog_id,&data);

D="25";
type=0;
D_int=0;

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
return (UF_UI_CB_CONTINUE_DIALOG);
9 |, Y$ h1 N! B( q  x& B( D/* A return value of UF_UI_CB_EXIT_DIALOG will not be accepted */
/* for this callback type. You must continue dialog construction.*/

}

int CCHF_apply_cb ( int dialog_id,
void * client_data,
- Z: V+ L6 H& u2 K2 _: u3 gUF_STYLER_item_value_type_p_t callback_data)
{
/* Make sure User Function is available. */
if ( UF_initialize() != 0)
5 B! l# K: S" ~8 q. b- B" W/ W/ oreturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
  x1 H/ v) j' ^& ^+ J$ Cuser_click=1;

UF_terminate ();

/* Callback acknowledged, terminate dialog */
/* It is STRONGLY recommended that you exit your */
2 S& J: g7 Q/ ?0 D: J3 P/* callback with UF_UI_CB_EXIT_DIALOG in a ok callback.*/
9 x! U/ r3 \! I9 W/* return ( UF_UI_CB_EXIT_DIALOG ); */
return (UF_UI_CB_EXIT_DIALOG);

}

int CCHF_cancel_cb ( int dialog_id,
6 B7 ?. z7 ?! C, Ovoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
{
% @- s  v- }0 P- q& D/* Make sure User Function is available. */
if ( UF_initialize() != 0)
$ H1 `! C1 m% J, I. `% breturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
" F8 f1 {: y+ gcancel_click=1;

UF_terminate ();

/* Callback acknowledged, terminate dialog */
/* It is STRONGLY recommended that you exit your */
/* callback with UF_UI_CB_EXIT_DIALOG in a cancel call */
/* back rather than UF_UI_CB_CONTINUE_DIALOG. */
return ( UF_UI_CB_EXIT_DIALOG );

}

int CCHF_type_cb ( int dialog_id,
void * client_data,
UF_STYLER_item_value_type_p_t callback_data)
{
# e/ y- l' Q! y+ q/* Make sure User Function is available. */
UF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
5 Q- J' U, f3 N: u; ireturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
; K/ q  T  `# T7 M5 T4 ?. L8 fdata.item_id = CCHF_TYPE;
data.item_attr = UF_STYLER_VALUE;
5 V5 b7 A" k! r/ F: \5 lUF_STYLER_ask_value(dialog_id,&data);

type=data.value.integer;

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
! E  l. m2 z$ treturn (UF_UI_CB_CONTINUE_DIALOG);

/* or Callback acknowledged, terminate dialog. */
/* return ( UF_UI_CB_EXIT_DIALOG ); */

}

int CCHF_D_cb ( int dialog_id,
5 k& x8 I7 O3 [  ]* v) D, x6 Kvoid * client_data,
# Y4 p( Q9 Y. d; nUF_STYLER_item_value_type_p_t callback_data)
{
/* Make sure User Function is available. */
4 l. L% w) k6 T5 J$ FUF_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;
1 ]2 g3 \4 k4 O* f8 [data.item_attr = UF_STYLER_VALUE;
( c) i  Y7 I9 D# W5 DUF_STYLER_ask_value(dialog_id,&data);

D_int=data.value.integer;
! ^) u0 U/ I# ]; {1 fD=strings_D[D_int];

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
2 F6 p* v' y- h8 |4 M2 |  W$ X' Hreturn (UF_UI_CB_CONTINUE_DIALOG);

/* or Callback acknowledged, terminate dialog. */
  N# V" P2 P! _" F2 V' @% T/* return ( UF_UI_CB_EXIT_DIALOG ); */

}