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>
# N* T9 F( P) ?! W6 a7 b5 Y#include <uf_defs.h>
( S$ A$ [+ V, `/ r#include <uf_exit.h>
- _' J& d0 i! h8 W#include <uf_ui.h>
: i1 L3 u# q, O#include <uf_styler.h>
; ]7 n& n( s. {6 [#include <uf_mb.h>
#include "CCHF.h"
& O9 k6 F$ ^" G2 Y  z4 n#include <uf_modl.h>
6 m: y8 k) g* X! K3 R2 v#include <uf_obj.h>
) w& [* X" Y9 w4 ^& ]#include <math.h>

/* The following definition defines the number of callback entries */
& k8 R* D4 n5 F  ]# T/ _4 P7 h/* in the callback structure: */
/* UF_STYLER_callback_info_t CCHF_cbs */
& Q  P- Y. ^& W) {# {5 k( L#define CCHF_CB_COUNT ( 6 + 1 ) /* Add 1 for the terminator */

/*--------------------------------------------------------------------------
, o- a  S( T+ N$ T5 e2 l5 HThe following structure defines the callback entries used by the
styler file. This structure MUST be passed into the user function,
" U; G0 f+ K7 E$ }" h5 A( cUF_STYLER_create_dialog along with CCHF_CB_COUNT.
1 P+ Z( r' z8 Q' I6 x/ e( [. V1 h--------------------------------------------------------------------------*/
6 ~; c% T; _8 E6 M8 G. O; k" i2 |/ [static UF_STYLER_callback_info_t CCHF_cbs[CCHF_CB_COUNT] =
$ S1 N6 [* O+ c9 P( f  Z$ b{
{UF_STYLER_DIALOG_INDEX, UF_STYLER_CONSTRUCTOR_CB , 0, CCHF_con_cb},
: T0 t: O, q# N) G9 C{UF_STYLER_DIALOG_INDEX, UF_STYLER_OK_CB , 0, CCHF_apply_cb},
0 y5 w, z, Q+ ~{UF_STYLER_DIALOG_INDEX, UF_STYLER_APPLY_CB , 0, CCHF_apply_cb},
{UF_STYLER_DIALOG_INDEX, UF_STYLER_CANCEL_CB , 0, CCHF_cancel_cb},
0 q" w2 N+ G; d% P. x{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 }
};
" _1 W& B8 V6 c# V% qstatic 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 */
};

char * strings_D[6]={"25","32","36","40","50","70"};
6 w' T4 y/ d! _  Rchar * D;
& J" A: E  n: \int user_click=0;
int cancel_click=0;
int type,D_int;

extern void ufusr (char *param, int *retcode, int rlen)
{
int response = 0;
; h+ R7 S) S% c6 m) R+ e' O6 Rint 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};
% b. h. |+ l9 Y( j) ]% i! R$ T// int i;

char * D1, * D2, * T, * A, * B, * C, * E;
char * R1;
char * block_len[3];
' r8 t7 y# R& {' |0 w3 JUF_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
UF_FEATURE_SIGN sign2 = UF_POSITIVE; //加目标实体
  J0 ^$ M5 G3 j  j2 \" Y/ Q/ gtag_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 )
2 u: t: r( z8 b; [7 Y, }8 P& @return;

if ( ( error_code = UF_STYLER_create_dialog ( "CCHF.dlg",
: G1 l- O1 h$ ^* q5 d, JCCHF_cbs, /* Callbacks from dialog */
CCHF_CB_COUNT, /* number of callbacks*/
5 Z* Q2 q- P. _' o+ Q$ oNULL, /* This is your client data */
4 ~# {- H; x* p4 f&response ) ) != 0 )
  c# J0 m# J: C8 _/ [  n$ p{
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);
printf ( "%s\n", fail_message );
4 B0 k5 [+ p2 `4 Q}

if(cancel_click==1)
$ n+ w+ B6 u6 B  V) s# p{
UF_terminate();
! v6 |8 o, ~1 Greturn;
5 E- t; `! \- R4 W$ s- {1 L, I}

switch(D_int)
{
8 C, Q1 A3 m  i0 V: S) }! O. dcase 0:
D1="46";
. q, C# y- |2 C9 r% x& Y# y( iD2="36";
T="12.6";
- X$ a8 W5 h. u7 y  v" wA="25";
0 P. \& C2 I% b, E1 h0 OB="30";
C="15";
  i- _5 y. o" q3 D2 g% CE="16.6";
if(type==1)
{
D1="60";
}
, A# F  w, Z( I5 W% J% p  nbreak;
& o$ \/ t, a- A6 t, ?9 G0 h" e; dcase 1:
D1="55";
- N4 F! A1 X2 X" i" DD2="42";
T="13.1";
1 }. M. _1 F4 C+ cA="30";
B="40";
C="20";
E="16.8";
if(type==1)
8 A/ v5 T- S) u) v" l3 z9 A5 C{
D1="70";
}
break;
5 r; W6 \3 ^, X# B+ p6 E8 W! hcase 2:
; \, ?/ i0 \* M4 r% D9 @D1="60";
7 l( ^. Q9 J6 N/ h$ J# gD2="46";
" a$ }: R+ n( H, AT="18.5";
A="35";
9 |" f' a0 _! Q+ }% C- O( UB="45";
C="25";
6 D3 s4 W) Q; f1 v1 W$ m& `1 dE="17";
) B0 h: w, t& j! Dif(type==1)
+ q$ E6 g1 D: w$ N5 E1 }2 s$ O0 ], e{
( q- B& G9 t( U3 E" O: `D1="80";
! x5 ?, Z& Q- b' ]4 a}
( \5 J3 V, O$ p2 h& v" B% xbreak;
. l* V5 H+ h2 mcase 3:
9 s1 @8 l7 G' f, i4 p; k% w' d' gD1="70";
D2="55";
. h" ~, s" H1 v) d+ ^& p7 c/ }+ `& S. kT="18.9";
* J& k# _0 I. U7 o+ L2 ^! z* tA="35";
, R; A7 F4 C, I6 _9 EB="60";
C="30";
- B, N$ N! G+ J$ Z3 `# F: G1 ~E="17.4";
8 ?6 `, A3 I" {  T, Xif(type==1)
' F- I( P' h2 G3 e6 Q{
% c- W+ W& k% j  P# \D1="90";
* g4 r, f: D2 _- Y7 p& Q}
break;
& t6 G8 p) n+ z; A* R3 Hcase 4:
" k8 {8 a2 |+ E% Y6 y8 ED1="90";
D2="70";
T="25.2";
5 I; `3 s  d0 B4 T0 f  v: U) wA="35";
) O9 N! F9 q" t" b$ d: [B="70";
C="40";
+ H/ ^7 ~3 d9 n2 w: `8 yE="18.1";
if(type==1)
{
& d; i$ v8 A) l5 B0 j4 E5 `D1="120";
" Q. o* W, O* L* F" G7 ?}
$ `% Z# N& s7 o8 h* _break;
$ r' m: V, m1 Z( `6 K5 rcase 5:
D1="120";
D2="100";
T="31.1";
A="40";
B="80";
C="40";
5 N' k6 }# Y& G0 p' aE="19.4";
if(type==1)
{
D1="140";
1 t" M: p; F9 R* E: ^}
break;
5 m/ i0 N- A5 j# r$ L. P( s  n) Cdefault:
break;
}

if (user_click==1)
{
6 l' Z8 S4 d- \2 D( ^, fchoice = uc1616("指定插入点", defalt, 0, point1);
# Z/ p' N. Z1 {; X0 y1 m: Sif(choice == 2) //判断退出对话框
+ {* v6 a; T, F5 A* O5 a7 S5 t2 h{
' }! w1 H* ?  T* f' T% EUF_terminate();
return;
% Q/ N# k9 r& c$ ?$ }" s}

R1="2";
: ^3 q! \  u, a1 Xif(type==1)
{
& v1 u7 X% @3 l3 C" [9 O( A( t* NR1="4";
5 b) q6 f3 \1 r( J9 W/ r% q}
//cyl1
UF_MODL_create_cyl1 (sign,point1,T,D1,direction,&cyl1_obj);
! ~" X+ g# }- p0 {UF_MODL_ask_feat_body(cyl1_obj,&cyl1_fea);
& F8 ]4 s1 y. }, {, Q% lUF_OBJ_set_color (cyl1_fea, 9); //设置实体颜色

UF_MODL_create_list(&edge_list);
, v5 J. w$ m# J! ^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
# U9 ]9 o+ X8 y3 PUF_MODL_delete_list(&edge_list);
//cyl2
point2[0]=point1[0];
2 T+ Q" `" l, ~; R; S% G8 Opoint2[1]=point1[1]+atof(T);
# p" {" D$ ]1 b0 j& I" hpoint2[2]=point1[2];
UF_MODL_create_cyl1 (sign2,point2,A,D,direction,&cyl2_obj);
//cyl3
4 v2 }1 L3 @4 {* p" E( t/ ]& l, Spoint3[0]=point1[0];
point3[1]=point2[1]+atof(A);
point3[2]=point1[2];
% I. v- P8 A* k) M4 oUF_MODL_create_cyl1 (sign2,point3,B,D2,direction,&cyl3_obj);
3 o1 O# C+ X+ b, S4 p  V8 }8 t* v//cyl4
point4[0]=point1[0];
point4[1]=point3[1]+atof(B);
, x4 \2 n9 ?; D/ Z% W9 m3 @+ Npoint4[2]=point1[2];
$ z, m* h/ `2 P7 JUF_MODL_create_cyl1 (sign2,point4,C,D,direction,&cyl4_obj);
" O& u8 Z$ o5 c) Y' G, R//cyl5
point5[0]=point1[0];
point5[1]=point4[1]+atof(C);
6 s0 @* o9 E! G4 m9 ^point5[2]=point1[2];
  B7 s- p4 M- wUF_MODL_create_cyl1 (sign2,point5,E,D2,direction,&cyl5_obj);
//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);
% c2 Z. H$ h8 D+ f4 bUF_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
8 v0 t8 [( K  ^UF_MODL_delete_list(&edge_list);
/ M$ |: S2 O: O+ f//减体用blk
7 F% |( y# D5 I* Vblock_len[0] = D2;
7 C2 |) y8 x+ o+ K: C/ D3 {block_len[1] = D2;
block_len[2] = D2;
/ E" {/ b; E# Y+ A. Rpoint6[0]=point1[0]+atof(D)/2;
- @' [0 t$ P6 J  B& Y# Tpoint6[1]=point5[1]-8;
0 i5 k+ y4 H$ a* W  D. E5 qpoint6[2]=point1[2]-atof(D2)/2;
, g8 o! X. v  f4 T& K* Y2 O9 l* aUF_MODL_create_block1 (sign1, point6, block_len, &blk_obj);
//消参
UF_MODL_create_list(&object_list);
UF_MODL_put_list_item(object_list, cyl1_fea);
9 ~3 s2 z: ^: Q+ I7 ^UF_MODL_delete_object_parms (object_list);
UF_MODL_delete_list(&object_list);
; ?9 `) R5 ?" v" X9 h/ u6 z}

UF_terminate();
return;
}
extern int ufusr_ask_unload (void)
8 d, m; |& h5 U% ^# Z! F/ E0 c  v{
/* unload immediately after application exits*/
return ( UF_UNLOAD_IMMEDIATELY );

/*via the unload selection dialog... */
/*return ( UF_UNLOAD_SEL_DIALOG ); */
/*when ug terminates... */
/*return ( UF_UNLOAD_UG_TERMINATE ); */
}

extern void ufusr_cleanup (void)
{
/ o" C2 {& Z! c; ~/ }1 ^9 Ureturn;
}
, M  R$ {2 s4 Z; r7 {- A# n5 _int CCHF_con_cb ( int dialog_id,
  u7 z' W# S; v7 Q/ Lvoid * client_data,
: k# b: x; }0 v" HUF_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)
, q! @) j4 n1 x/ yreturn ( UF_UI_CB_CONTINUE_DIALOG );

/* ---- Enter your callback code here ----- */
1 B( i' p3 ~4 \data.item_id = CCHF_OPTION_D;
data.item_attr = UF_STYLER_SUBITEM_VALUES;
data.count = 6;
2 u( @5 u7 \. o" _' z  p4 @data.value.strings = strings_D;
5 a$ E8 G0 l9 ?5 u' WUF_STYLER_set_value(dialog_id,&data);

data.item_id = CCHF_WIDE_STRING;
3 u& y6 L, O- W  Wdata.item_attr = UF_STYLER_VALUE;
' U& Y% T' q* M  @data.value.string = "三住标准/材质：S25C";
8 y, K. D% S# l" X4 ?. A; kUF_STYLER_set_value(dialog_id,&data);

D="25";
type=0;
# z7 O+ K7 _! P  XD_int=0;

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
return (UF_UI_CB_CONTINUE_DIALOG);
7 s# ^5 T6 o; ]' I5 b/* 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,
7 j. {* o, R( v2 X  O& |7 i$ S# _5 kUF_STYLER_item_value_type_p_t callback_data)
1 S6 A- S7 Y- K) n, ~: K! h+ _{
/* Make sure User Function is available. */
if ( UF_initialize() != 0)
' a5 t0 C3 X. ureturn ( 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 */
/* callback with UF_UI_CB_EXIT_DIALOG in a ok callback.*/
7 A+ y, L9 t- @/* return ( UF_UI_CB_EXIT_DIALOG ); */
# C# s5 |9 t: wreturn (UF_UI_CB_EXIT_DIALOG);

}

int CCHF_cancel_cb ( int dialog_id,
void * client_data,
3 D6 Q* L$ @! A3 x8 k" `2 ?UF_STYLER_item_value_type_p_t callback_data)
0 t3 \7 B& \. [) q4 S4 s5 G  o6 E{
/* Make sure User Function is available. */
if ( UF_initialize() != 0)
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 */
& r( W1 f  U! t) ^* `9 t  V/* callback with UF_UI_CB_EXIT_DIALOG in a cancel call */
, q$ k4 o1 }8 B/* back rather than UF_UI_CB_CONTINUE_DIALOG. */
8 k) r1 J$ N* o; ~  Yreturn ( UF_UI_CB_EXIT_DIALOG );

}

int CCHF_type_cb ( int dialog_id,
void * client_data,
3 E4 E5 U& a9 S# D0 e/ NUF_STYLER_item_value_type_p_t callback_data)
{
) w3 d$ W  c( E" U/* 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_TYPE;
/ D& S; B0 I. V# T# F; M/ C/ W. H* qdata.item_attr = UF_STYLER_VALUE;
7 {8 ~: k4 T- R! l2 FUF_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,
void * client_data,
. W  R  L2 C0 S+ S. {) i( TUF_STYLER_item_value_type_p_t callback_data)
{
$ w, g& F1 B* W5 M/* 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;
/ @  w) _+ s7 F7 l# ^& zdata.item_attr = UF_STYLER_VALUE;
9 R* [8 D- v% D5 }1 BUF_STYLER_ask_value(dialog_id,&data);

D_int=data.value.integer;
+ H9 _  k8 {7 oD=strings_D[D_int];

UF_terminate ();

/* Callback acknowledged, do not terminate dialog */
9 Y0 e: U/ Q5 |5 E3 X8 B# Dreturn (UF_UI_CB_CONTINUE_DIALOG);

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

}

' S, w" N! k5 n8 r/ h8 n* H! g