给大家看一个实例，很早用C写的代码

ugii

//铸入型起重棒
8 |! J3 O" o4 F7 X  A& C/* These include files are needed for the following template code. */
7 f. Q: `* B$ l1 D+ c+ Y#include <stdio.h>
#include <uf.h>
#include <uf_defs.h>
#include <uf_exit.h>
2 b8 ?7 K2 r# S2 f9 I  Z* `#include <uf_ui.h>
#include <uf_styler.h>
" R# j, @+ V# R# v6 t% M#include <uf_mb.h>
, e/ O2 z  a  N; {) _# r#include "CCHF.h"
  T1 e' N6 c) b6 l3 o' O/ f#include <uf_modl.h>
& G, i7 h1 w0 |% t#include <uf_obj.h>
#include <math.h>

/* The following definition defines the number of callback entries */
8 ]; j; A3 T5 {' c/* in the callback structure: */
  J% ?7 l' n0 r2 I! k7 d6 q7 r/* UF_STYLER_callback_info_t CCHF_cbs */
; p" u8 p4 e* A# i#define CCHF_CB_COUNT ( 6 + 1 ) /* Add 1 for the terminator */

/*--------------------------------------------------------------------------
/ S- a8 X7 L3 C) A' c& [2 oThe following structure defines the callback entries used by the
9 W8 }9 X; W6 V, W5 a; Astyler file. This structure MUST be passed into the user function,
9 l, x( H- D! U' l4 [, rUF_STYLER_create_dialog along with CCHF_CB_COUNT.
--------------------------------------------------------------------------*/
" ~, ~% b( L7 Y! h8 b  u- Ostatic UF_STYLER_callback_info_t CCHF_cbs[CCHF_CB_COUNT] =
{
1 b. x& ?5 F+ l& p! C( k{UF_STYLER_DIALOG_INDEX, UF_STYLER_CONSTRUCTOR_CB , 0, CCHF_con_cb},
{UF_STYLER_DIALOG_INDEX, UF_STYLER_OK_CB , 0, CCHF_apply_cb},
" ?  n# c% Z: d/ o{UF_STYLER_DIALOG_INDEX, UF_STYLER_APPLY_CB , 0, CCHF_apply_cb},
{UF_STYLER_DIALOG_INDEX, UF_STYLER_CANCEL_CB , 0, CCHF_cancel_cb},
: L! f1 i  J' M4 ?, S{CCHF_TYPE , UF_STYLER_VALUE_CHANGED_CB, 0, CCHF_type_cb},
- N+ n3 N, \- v! X{CCHF_OPTION_D , UF_STYLER_ACTIVATE_CB , 0, CCHF_D_cb},
* q& D% g5 c0 m  G9 ^( b{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 },
2 q3 o2 c3 P! F2 C{ NULL, NULL, NULL, 0 } /* This is a NULL terminated list */
};

char * strings_D[6]={"25","32","36","40","50","70"};
# _3 x+ g7 B( I+ ]char * D;
int user_click=0;
. q9 o( |( }* i7 J6 j: K$ j: rint cancel_click=0;
int type,D_int;

extern void ufusr (char *param, int *retcode, int rlen)
{
1 ^. t7 Y, K# ~2 `; Bint 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;
char * R1;
char * block_len[3];
UF_FEATURE_SIGN sign = UF_NULLSIGN; //建立一个新的目标体
' G' c2 r: L0 |# m; eUF_FEATURE_SIGN sign1 = UF_NEGATIVE; //减去目标实体
7 o2 c( t+ {6 h1 sUF_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 )
" {4 P2 l0 g3 m- Ereturn;

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 */
; ]5 i1 D2 l- H) ~. {) q&response ) ) != 0 )
{
* S/ U* E9 L) o' U% Vchar fail_message[133];

/* Get the user function fail message based on the fail code.*/
3 N& @# |' ]: v+ r- n! f% A. iUF_get_fail_message(error_code, fail_message);
, @& r: ~4 C3 a! q' p$ _( Z: m8 AUF_UI_set_status (fail_message);
printf ( "%s\n", fail_message );
$ ]4 j8 C. [/ C6 o' W/ I  U1 I+ L}

if(cancel_click==1)
{
UF_terminate();
return;
( P' W! b! |3 I6 T6 |, O" o3 b" n}

switch(D_int)
& s# o- E) a3 ?7 p5 c0 I{
case 0:
. B- v4 w/ @3 A* S1 `D1="46";
D2="36";
T="12.6";
A="25";
( r3 e5 j" R3 z+ u2 {B="30";
( f6 Z9 h; J( h& y2 wC="15";
# T$ s: C- _. V/ ]/ p& }+ k; u' eE="16.6";
3 a  k# D( c( T1 I; Dif(type==1)
* C1 P) O2 E# A1 B8 {4 Y7 p8 x" `1 |3 M{
D1="60";
}
: R! N! s% f" @, c6 Sbreak;
2 [8 K( x' A6 }- s/ icase 1:
D1="55";
3 z" R5 h8 j! zD2="42";
T="13.1";
3 }! }/ m8 r: SA="30";
/ h+ |# d/ {& h* v/ DB="40";
C="20";
E="16.8";
9 W+ u/ u0 w# yif(type==1)
{
D1="70";
. I/ R5 f, ^2 D; a9 L  B, P}
7 g8 S) l+ \* Tbreak;
' b* x9 Q. W9 F, I2 x+ g$ h# z; icase 2:
D1="60";
D2="46";
! ~0 V$ D- B3 V7 G9 yT="18.5";
A="35";
B="45";
4 p9 `9 B/ D# Y% e6 X  O; x( X, y- wC="25";
E="17";
if(type==1)
8 y& N; @$ J, _9 m) Q- e7 z{
3 q- N* J; o7 @# UD1="80";
" l. p4 d! o! {3 u! \}
: A' }3 x5 R$ I/ }( ^break;
+ W: g0 g& r5 c- `0 N. {- ucase 3:
D1="70";
& ~6 I* m1 I- A) YD2="55";
8 t% S3 ?" M; f% G- X$ N! AT="18.9";
) e% _" I5 t. y: D2 ?A="35";
B="60";
' h& @3 w* i' B; r. @C="30";
E="17.4";
if(type==1)
{
  R; ?) f0 H7 o6 }( q% U2 hD1="90";
}
break;
9 {+ u0 s  {% |( w; l' ]8 R7 Ecase 4:
! Y  O3 X3 v3 x* xD1="90";
' X3 Y3 W7 ~8 j! @+ j' ^* OD2="70";
* h1 u& l2 A; B0 Y8 r4 {" gT="25.2";
A="35";
B="70";
C="40";
E="18.1";
if(type==1)
{
* j  \5 ]) ]* o/ M& dD1="120";
. b# W, c- @1 F5 W7 G2 {* v}
- H- g, Y! r; ~! d4 }break;
case 5:
D1="120";
D2="100";
' W1 v6 ~  N, Z- N2 n3 ~% p5 xT="31.1";
A="40";
B="80";
C="40";
E="19.4";
% W0 n. W- R% Y; E0 R7 A+ Vif(type==1)
& G9 R" S0 I* [' X2 Z9 V3 i& E{
D1="140";
}
break;
default:
5 N# N8 D2 T0 b( G& x2 u, \break;
6 R) Y% Y- r/ G) u0 ~9 Q4 Y4 B}

if (user_click==1)
{
5 `4 [( O( f4 bchoice = uc1616("指定插入点", defalt, 0, point1);
+ a) W; i* P% D6 }- w$ A, ]: P5 Vif(choice == 2) //判断退出对话框
{
! O8 G) o7 ]" {* B$ Z+ u' pUF_terminate();
9 o( w  S& ~1 H6 }return;
1 h# W9 q. K$ s. \4 P  w}

R1="2";
# n1 ?% f, V2 t* K! ^if(type==1)
  t- s. m2 F# p6 I) E3 _{
R1="4";
) I. S3 x. P  }. X8 ^}
//cyl1
UF_MODL_create_cyl1 (sign,point1,T,D1,direction,&cyl1_obj);
UF_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);
UF_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
- M0 S1 u$ Z5 |1 T5 {$ VUF_MODL_delete_list(&edge_list);
//cyl2
point2[0]=point1[0];
& J$ J* p' L3 a) Y  npoint2[1]=point1[1]+atof(T);
2 a  B: X7 L! p% J  @  }, ppoint2[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point2,A,D,direction,&cyl2_obj);
' L) z2 G6 {  q( [//cyl3
point3[0]=point1[0];
point3[1]=point2[1]+atof(A);
point3[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point3,B,D2,direction,&cyl3_obj);
//cyl4
point4[0]=point1[0];
+ B/ h$ N1 D) w% {, C! ?" Fpoint4[1]=point3[1]+atof(B);
point4[2]=point1[2];
6 E5 G: \/ \, EUF_MODL_create_cyl1 (sign2,point4,C,D,direction,&cyl4_obj);
/ P: I$ `+ W% }! m$ E  ]+ J5 D+ ]//cyl5
& @5 K: K4 E) y! U3 I4 ~  spoint5[0]=point1[0];
$ B7 t' W2 B5 \  @4 b' H0 }point5[1]=point4[1]+atof(C);
& s- J) {6 K5 M  Upoint5[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point5,E,D2,direction,&cyl5_obj);
: @. k" z# |# y6 K6 [2 R//倒圆角
8 Y- R+ ]- S6 Y5 rUF_MODL_create_list(&edge_list);
  A% M7 `$ x1 {, eUF_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);
# G% k) I3 |0 S! N' \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
- R" p; S* u& b3 |6 y9 H8 E( tUF_MODL_delete_list(&edge_list);
* a3 S+ j8 |( l. A//减体用blk
1 W( s3 h% L7 _; F/ \. ?. e% G" V4 w$ Pblock_len[0] = D2;
  _( q2 s2 c. b$ {+ T# f* r  Rblock_len[1] = D2;
block_len[2] = D2;
9 }  Q( K* N1 q2 ppoint6[0]=point1[0]+atof(D)/2;
+ }* |) F* m! t2 {9 fpoint6[1]=point5[1]-8;
point6[2]=point1[2]-atof(D2)/2;
UF_MODL_create_block1 (sign1, point6, block_len, &blk_obj);
, b8 s# _; W+ I' ~//消参
UF_MODL_create_list(&object_list);
UF_MODL_put_list_item(object_list, cyl1_fea);
2 k5 c+ ]$ l$ {  f: {; l( iUF_MODL_delete_object_parms (object_list);
UF_MODL_delete_list(&object_list);
8 G3 \  U% ]. |% Q6 G; P}

UF_terminate();
return;
9 F, {. ~2 P, |+ z' O}
extern int ufusr_ask_unload (void)
{
/ m8 c4 o( H0 i; f$ k6 w3 X( e/* unload immediately after application exits*/
return ( UF_UNLOAD_IMMEDIATELY );

/*via the unload selection dialog... */
) e' ?$ y: _+ m: F" W- D1 ?7 S/*return ( UF_UNLOAD_SEL_DIALOG ); */
/*when ug terminates... */
) K9 D+ A; g0 m# r- r/*return ( UF_UNLOAD_UG_TERMINATE ); */
5 `1 @/ J! X& f( p$ a}

extern void ufusr_cleanup (void)
4 ]- o2 D0 L: j- A( p1 r{
return;
5 p' G4 z; o, D# t3 L% o5 D}
int CCHF_con_cb ( int dialog_id,
( V. _3 L$ E6 V3 @" _! q7 ]7 Wvoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
: x$ G8 g! s& V2 {{
/* Make sure User Function is available. */
+ k# ?9 x+ \; b: d0 s: pUF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
1 `* I' U% h2 j- c$ ~$ |; Hreturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
data.item_id = CCHF_OPTION_D;
data.item_attr = UF_STYLER_SUBITEM_VALUES;
data.count = 6;
data.value.strings = strings_D;
# e  R0 b: @* z7 B& k7 x  dUF_STYLER_set_value(dialog_id,&data);

data.item_id = CCHF_WIDE_STRING;
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);
/* 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,
5 ]" S3 n) H9 |  [! K! O/ g2 QUF_STYLER_item_value_type_p_t callback_data)
: h! P! I4 _5 s9 j4 f* r{
$ B1 [- U" W1 B) A' g. Q! S/* Make sure User Function is available. */
5 N5 p" ?0 z* u1 h, ~if ( UF_initialize() != 0)
* q1 L7 P" Y( I4 Preturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
* g- S$ g0 x# \5 I5 K, C  Yuser_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 ok callback.*/
/* return ( UF_UI_CB_EXIT_DIALOG ); */
$ a3 d% p' V/ b/ B, P( I4 Kreturn (UF_UI_CB_EXIT_DIALOG);

}

int CCHF_cancel_cb ( int dialog_id,
8 m& J: f9 q6 \0 r& V; ~void * client_data,
% l! i" m; d& DUF_STYLER_item_value_type_p_t callback_data)
! D$ U0 o6 s- t- n% X; t- j{
/* Make sure User Function is available. */
: O- b# D0 h6 c" V! j6 d$ n/ kif ( UF_initialize() != 0)
5 R% T! ~$ @6 R* a4 @/ [return ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
cancel_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 */
5 J- j7 r: j  \1 ?/* back rather than UF_UI_CB_CONTINUE_DIALOG. */
  T% b/ B& v$ o+ G# `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)
3 s" b# j1 r2 Z: W" K7 M{
/* Make sure User Function is available. */
$ o/ F( t$ b7 f1 r6 xUF_STYLER_item_value_type_t data;

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

/* ---- Enter your callback code here ----- */
$ b+ X" n# C* u2 edata.item_id = CCHF_TYPE;
8 P. g' J# F) w5 T: b7 @" \+ Xdata.item_attr = UF_STYLER_VALUE;
UF_STYLER_ask_value(dialog_id,&data);

type=data.value.integer;

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
return (UF_UI_CB_CONTINUE_DIALOG);

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

}

int CCHF_D_cb ( int dialog_id,
1 g4 x! [" t( D+ gvoid * client_data,
4 Z; Q$ \: B( D. L7 C$ `# ^UF_STYLER_item_value_type_p_t callback_data)
{
/* Make sure User Function is available. */
UF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
! G+ ~, z! Q" G( preturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
) O( q* R6 B; B4 d, r1 ~2 J$ Fdata.item_id = CCHF_OPTION_D;
0 k( b/ k! k$ ^. M1 @5 W. b" vdata.item_attr = UF_STYLER_VALUE;
( v/ S- `" b2 w- A4 [2 jUF_STYLER_ask_value(dialog_id,&data);

D_int=data.value.integer;
, Q/ P: r; y7 j3 h$ Y, p+ ^D=strings_D[D_int];

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
: C. ]  J) R6 @: Breturn (UF_UI_CB_CONTINUE_DIALOG);

/* or Callback acknowledged, terminate dialog. */
. A# x$ A/ u7 }4 _4 r9 N/* return ( UF_UI_CB_EXIT_DIALOG ); */

}