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>
#include <uf.h>
3 l; s. g2 ^' M1 Z$ r8 k# X# W#include <uf_defs.h>
# u) D6 @7 Q  z& O# }3 d- L#include <uf_exit.h>
#include <uf_ui.h>
#include <uf_styler.h>
#include <uf_mb.h>
% s7 t- z+ W: Y# w#include "CCHF.h"
#include <uf_modl.h>
$ P/ @8 O6 B6 Z. j#include <uf_obj.h>
4 o3 N- W, q5 u' k3 {7 ~2 |#include <math.h>

/* The following definition defines the number of callback entries */
/* in the callback structure: */
6 @' v0 T: m! h6 \; h3 I+ C/* UF_STYLER_callback_info_t CCHF_cbs */
; U  x0 Q9 ~8 j! k/ F) X#define CCHF_CB_COUNT ( 6 + 1 ) /* Add 1 for the terminator */

/*--------------------------------------------------------------------------
% f  h& U! |, J) A" o1 d9 f/ TThe following structure defines the callback entries used by the
& |, B. c2 \% ?' J& Z+ J0 Hstyler file. This structure MUST be passed into the user function,
UF_STYLER_create_dialog along with CCHF_CB_COUNT.
--------------------------------------------------------------------------*/
9 ^6 q1 B& n/ \( n+ p" s+ sstatic UF_STYLER_callback_info_t CCHF_cbs[CCHF_CB_COUNT] =
{
{UF_STYLER_DIALOG_INDEX, UF_STYLER_CONSTRUCTOR_CB , 0, CCHF_con_cb},
, d; q) ?; M- H{UF_STYLER_DIALOG_INDEX, UF_STYLER_OK_CB , 0, CCHF_apply_cb},
+ C7 ?: X8 s9 W2 I6 r{UF_STYLER_DIALOG_INDEX, UF_STYLER_APPLY_CB , 0, CCHF_apply_cb},
{UF_STYLER_DIALOG_INDEX, UF_STYLER_CANCEL_CB , 0, CCHF_cancel_cb},
/ Z% x0 w: n: k{CCHF_TYPE , UF_STYLER_VALUE_CHANGED_CB, 0, CCHF_type_cb},
{CCHF_OPTION_D , UF_STYLER_ACTIVATE_CB , 0, CCHF_D_cb},
{UF_STYLER_NULL_OBJECT, UF_STYLER_NO_CB, 0, 0 }
};
$ x0 E9 i$ J5 O) u& c7 P: Ystatic UF_MB_styler_actions_t actions[] = {
/ g# S& \" P; o* m9 J{ "CCHF.dlg", NULL, CCHF_cbs, UF_MB_STYLER_IS_NOT_TOP },
{ NULL, NULL, NULL, 0 } /* This is a NULL terminated list */
};

char * strings_D[6]={"25","32","36","40","50","70"};
3 ^/ g, ^: B6 G) f! r# Rchar * D;
7 g8 G% v0 c: r* c0 }* P9 M0 w  m; jint user_click=0;
int cancel_click=0;
int type,D_int;

extern void ufusr (char *param, int *retcode, int rlen)
9 a/ O! Y4 A# G2 b% {{
int response = 0;
int error_code = 0;

int choice;
! b# y4 ~- e4 u  @int defalt[2];
# p5 |; Q: i* [- f- Z: ^6 b$ zdouble point1[3],point2[3],point3[3],point4[3],point5[3],point6[3];
double direction[3]={0,1,0};
+ T- X# I" }5 X- _; j0 O// int i;

char * D1, * D2, * T, * A, * B, * C, * E;
char * R1;
$ L( ~. D0 K# s& Mchar * 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
) M+ \/ C* N+ v( L& xUF_FEATURE_SIGN sign2 = UF_POSITIVE; //加目标实体
: n( ]# x1 k# k  K- ?$ `9 wtag_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 )
return;

if ( ( error_code = UF_STYLER_create_dialog ( "CCHF.dlg",
* o/ C* T6 i4 [CCHF_cbs, /* Callbacks from dialog */
# Q, S% d1 l' A- |, hCCHF_CB_COUNT, /* number of callbacks*/
NULL, /* This is your client data */
4 V. K- b1 I/ W2 a* _  z&response ) ) != 0 )
6 A4 N& y4 A# g* [{
" p/ O& N" R9 r" Gchar fail_message[133];

/* Get the user function fail message based on the fail code.*/
8 M# k" _& }7 Z$ L6 @: x; X* I- DUF_get_fail_message(error_code, fail_message);
* k- ~0 ?* O/ Y/ y0 H. a* h3 bUF_UI_set_status (fail_message);
! E3 J2 @5 S) a* ]5 J& Z  b8 ~4 Yprintf ( "%s\n", fail_message );
}

if(cancel_click==1)
{
UF_terminate();
5 m2 F( j/ l: R1 b5 D/ H9 _return;
}

switch(D_int)
! X7 ~* f; w# T: E0 m) b; @{
) b; c; n8 G! d0 ]5 n8 w3 rcase 0:
0 p. z' Z5 [* N& `3 v/ MD1="46";
D2="36";
3 B% s2 c+ Q8 _0 }9 jT="12.6";
A="25";
! a, B, a# A% Q5 z3 u6 kB="30";
% L2 C/ J. k! n+ m0 @- A% `C="15";
E="16.6";
if(type==1)
; O5 y4 l9 \# H3 d{
D1="60";
}
8 r! d1 w$ `, b4 v/ D$ Nbreak;
, \# I9 l0 S8 P3 R! vcase 1:
D1="55";
D2="42";
T="13.1";
A="30";
- T2 L& f, Q( a1 I  LB="40";
C="20";
E="16.8";
% W% S/ Y8 F$ \5 E" dif(type==1)
{
8 t' j; @4 ^: z  hD1="70";
" E" l( _( D% g; g4 q$ L}
break;
& X+ ]" `1 k: |. F* x6 z9 ?0 ]2 Zcase 2:
+ u1 A: d4 B9 h: jD1="60";
D2="46";
; b1 R- c4 Q# O5 ZT="18.5";
4 ^/ _# ]" G1 j& nA="35";
% K# N2 ]9 Z( s" ^8 @. NB="45";
( K% z, X0 }( \) _" ~9 SC="25";
# c) V9 Z& @. g  l8 G" _E="17";
if(type==1)
{
D1="80";
# C9 A) B" L* l2 `" m# h0 a}
break;
case 3:
D1="70";
. Q7 K- U  L, o% p1 n  R8 }D2="55";
. k" W( K5 W+ hT="18.9";
* U- L) A$ B8 j( Y- a: fA="35";
: D# R5 j7 R. z: O6 M5 L) tB="60";
C="30";
# p( U* k) V; L" t* J5 q" ?E="17.4";
if(type==1)
{
D1="90";
}
& p0 q; \( `( N8 Bbreak;
case 4:
D1="90";
7 N+ F/ j1 i3 o6 R: X. Z6 UD2="70";
T="25.2";
* }$ y9 }6 e2 H; u1 b* N- g$ ]; VA="35";
B="70";
C="40";
9 r5 r8 p3 j( A2 hE="18.1";
if(type==1)
3 W, C% H& o7 w- S4 ^{
D1="120";
}
break;
8 }: i+ Z  u" f; @: ]case 5:
& m/ S2 V7 Y/ A0 CD1="120";
: K) T* `5 k0 |  RD2="100";
T="31.1";
, ^, e  E" Z2 IA="40";
B="80";
C="40";
E="19.4";
if(type==1)
{
2 o7 ?) F0 u# BD1="140";
4 p4 D. B# X" \' v1 o}
6 r4 r' e+ r& [: ^break;
! [4 ?8 O  I# s) ]. Hdefault:
, M* c3 ~, n) C- E7 I9 ybreak;
+ q6 ^6 v; d, n- G7 ?1 v}

if (user_click==1)
5 C6 n1 }7 y  W- q; |) R. Z3 e8 A{
choice = uc1616("指定插入点", defalt, 0, point1);
if(choice == 2) //判断退出对话框
' `6 b4 s6 q/ {/ c{
UF_terminate();
return;
! F! X- R; u: g: k$ J: E- v1 d}

R1="2";
if(type==1)
& u1 `' F2 Q, N4 e{
R1="4";
: G  @2 F% h9 H$ B}
//cyl1
( A5 J  \+ _: ^$ KUF_MODL_create_cyl1 (sign,point1,T,D1,direction,&cyl1_obj);
UF_MODL_ask_feat_body(cyl1_obj,&cyl1_fea);
! N, j3 I2 N0 J1 ^UF_OBJ_set_color (cyl1_fea, 9); //设置实体颜色

UF_MODL_create_list(&edge_list);
' J" ?8 u+ p) g* |UF_MODL_ask_feat_edges (cyl1_obj, &edge_list);
! b; A3 o/ p+ C2 \UF_MODL_create_blend (R1, edge_list, 0, 0, 0, 0.5, &blend1_tag); //倒圆角cyl1
* t, @$ N' p& j3 k$ QUF_MODL_delete_list(&edge_list);
6 E# J/ _; ~3 b7 ^. t5 U//cyl2
point2[0]=point1[0];
point2[1]=point1[1]+atof(T);
" W" i+ N5 c( F6 e* |) a3 s4 ~point2[2]=point1[2];
. D4 `: v! g( B: eUF_MODL_create_cyl1 (sign2,point2,A,D,direction,&cyl2_obj);
//cyl3
point3[0]=point1[0];
) \& V& X* y3 |$ j3 ^  Npoint3[1]=point2[1]+atof(A);
point3[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point3,B,D2,direction,&cyl3_obj);
//cyl4
7 I" ?: Y8 i: J% C, Rpoint4[0]=point1[0];
  n& U2 e; I% |. n& }8 f7 Opoint4[1]=point3[1]+atof(B);
point4[2]=point1[2];
% f3 Q* m: y) X4 F: f( iUF_MODL_create_cyl1 (sign2,point4,C,D,direction,&cyl4_obj);
//cyl5
0 d7 v3 W, }2 x" x) C2 p! H0 Cpoint5[0]=point1[0];
1 L! g, k7 G7 rpoint5[1]=point4[1]+atof(C);
* M; w* U) l$ |% l$ V1 g0 V* E" Vpoint5[2]=point1[2];
% `2 y9 P% S+ A  n9 l& c" y+ g: P, \UF_MODL_create_cyl1 (sign2,point5,E,D2,direction,&cyl5_obj);
2 E# [- y0 \& V# N! ~9 S8 Y//倒圆角
UF_MODL_create_list(&edge_list);
UF_MODL_ask_feat_edges (cyl2_obj, &edge_list);
+ b# p# }$ }" w# h8 KUF_MODL_create_blend ("5", edge_list, 0, 0, 0, 0.5, &blend2_tag); //倒圆角cyl2
- x, H5 C, E/ v' [# \UF_MODL_delete_list(&edge_list);

UF_MODL_create_list(&edge_list);
8 q9 Z- q1 L9 \  K& ^6 }UF_MODL_ask_feat_edges (cyl4_obj, &edge_list);
0 `1 R+ f" {/ Z2 ^$ GUF_MODL_create_blend ("3", edge_list, 0, 0, 0, 0.5, &blend3_tag); //倒圆角cyl4
8 X6 ^# w: r- p, ]3 aUF_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
" ?( C, X0 l4 ]9 S6 HUF_MODL_delete_list(&edge_list);
7 N8 C( @: g4 h8 {7 q/ C; E! i8 L1 t//减体用blk
1 ?2 T: h5 U1 p- L) J4 c4 N6 f# vblock_len[0] = D2;
block_len[1] = D2;
block_len[2] = D2;
point6[0]=point1[0]+atof(D)/2;
point6[1]=point5[1]-8;
3 ^( u7 _3 o9 m. f( O$ `7 W6 Qpoint6[2]=point1[2]-atof(D2)/2;
UF_MODL_create_block1 (sign1, point6, block_len, &blk_obj);
//消参
UF_MODL_create_list(&object_list);
$ T$ s5 f& }* f4 OUF_MODL_put_list_item(object_list, cyl1_fea);
UF_MODL_delete_object_parms (object_list);
3 _6 y5 C3 j. W  Z) VUF_MODL_delete_list(&object_list);
2 r. C& f7 N0 s3 L( V* `7 N% v; b}

UF_terminate();
return;
6 \+ t6 S1 z& }7 d1 N# O}
extern int ufusr_ask_unload (void)
{
/* unload immediately after application exits*/
8 e/ w' ]3 k7 ireturn ( UF_UNLOAD_IMMEDIATELY );

/*via the unload selection dialog... */
/*return ( UF_UNLOAD_SEL_DIALOG ); */
/*when ug terminates... */
+ o% n6 T1 m9 c8 F/*return ( UF_UNLOAD_UG_TERMINATE ); */
}

extern void ufusr_cleanup (void)
{
8 I5 M5 v/ [) X$ m$ l6 preturn;
}
int CCHF_con_cb ( int dialog_id,
void * client_data,
UF_STYLER_item_value_type_p_t callback_data)
{
/* Make sure User Function is available. */
  D# S# s7 Z8 Z. J+ vUF_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;
data.count = 6;
0 _2 U4 E9 x( o0 Zdata.value.strings = strings_D;
1 w' n+ d- [/ x/ Z- `, q" v- |' P6 SUF_STYLER_set_value(dialog_id,&data);

data.item_id = CCHF_WIDE_STRING;
' \+ M) t. F) ldata.item_attr = UF_STYLER_VALUE;
# {2 z$ |: q& V0 vdata.value.string = "三住标准/材质：S25C";
UF_STYLER_set_value(dialog_id,&data);

D="25";
8 N3 h, i) n; d1 ~5 X- rtype=0;
$ e# j8 c6 q. w4 A. w" D$ N/ y# @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,
UF_STYLER_item_value_type_p_t callback_data)
% B' o2 y7 c& F, t/ T{
/* Make sure User Function is available. */
! [. ^6 o1 ?. l2 Xif ( UF_initialize() != 0)
  E" u% P- p- L1 C- breturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
user_click=1;

UF_terminate ();

/* Callback acknowledged, terminate dialog */
/* It is STRONGLY recommended that you exit your */
2 N# u! |/ _/ g4 ?9 |4 D/* callback with UF_UI_CB_EXIT_DIALOG in a ok callback.*/
6 m- w% w7 N# K/* return ( UF_UI_CB_EXIT_DIALOG ); */
! I8 c/ K! o) k- r$ q1 t9 jreturn (UF_UI_CB_EXIT_DIALOG);

}

int CCHF_cancel_cb ( int dialog_id,
" |; @; K' y$ V/ T' z% m+ Rvoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
! y* m# N* b! b6 C{
/* Make sure User Function is available. */
! F8 w5 j9 y7 [2 b' H. _if ( UF_initialize() != 0)
return ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
4 s3 O( X/ J( u% 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,
+ o0 ]) Y1 ]: mvoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
- i, I; `, P5 M# T{
) \$ X7 [4 [1 x/* Make sure User Function is available. */
6 y- [! o* Z% ~& j. }" qUF_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;
. f  t- ~5 V1 w1 q' e  q' [data.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,
8 z# w3 y; T) `7 w, W6 p. B" Pvoid * client_data,
UF_STYLER_item_value_type_p_t callback_data)
8 m5 @5 P! m* ~$ @' [3 S3 h3 D{
/* Make sure User Function is available. */
$ t7 P( w. B& Q, u; o' K+ ^UF_STYLER_item_value_type_t data;

if ( UF_initialize() != 0)
0 u6 l3 k& Z; T3 b* C. t  `- Ireturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
4 B7 O1 N+ _4 ]& H! w% ydata.item_id = CCHF_OPTION_D;
data.item_attr = UF_STYLER_VALUE;
5 @: L( c0 I& z$ j% C: dUF_STYLER_ask_value(dialog_id,&data);

D_int=data.value.integer;
% P2 o- ]' _5 x, s" p2 dD=strings_D[D_int];

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
6 y" L/ G& l3 \- Ereturn (UF_UI_CB_CONTINUE_DIALOG);

/* or Callback acknowledged, terminate dialog. */
9 i( C0 t' A( l7 [/* return ( UF_UI_CB_EXIT_DIALOG ); */

}

  w8 T7 Z5 V& E( K