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函数说明：
取代了布尔功能的工具体和目标体。

函数参数：
第1个参数为输入：
boolean_feature_obj_id代表参数变量，tag_t 为输入参数类型，一个布尔特征的对象标识符进行修改。

第2个参数为输入：
type代表参数变量，UF_MODL_boolean_body_e_t 为输入参数类型，该类型的身体：UF_MODL_TARGET_BODY UF_MODL_TOOL_BODY

第3个参数为输入：
new_body代表参数变量，tag_t 为输入参数类型，新机构的body标签将取代无论是目标或工具的身体。

UF_MODL_replace_boolean_body函数实例代码演示：
描述该程序演示如何使用下面的UG/ Open API的程序：UF_MODL_replace_boolean_body项目描述下面的例子需要一个开放，空白部分。该代码创建一个块，锥形，和汽缸。然后，它联块和锥体。接下来，它改变的团结缸和更新工具体。
[quote]
#include <stdio.h>
#include <string.h>
#include <uf_modl.h>
#include <uf.h>
#include <uf_csys.h>
#include <uf_defs.h>

#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))

static int report( char *file, int line, char *call, int irc)
{
if (irc)
{
char messg[133];
printf("%s, line %d: %s\n", file, line, call);
(UF_get_fail_message(irc, messg)) ?
printf(" returned a %d\n", irc) :
printf(" returned error %d: %s\n", irc, messg);
}
return(irc);
}

static void do_ugopen_api(void)
{

tag_t block, cylinder, cone, feature;

double origin[3]={0.0,0.0,0.0};
double direction[3]={0.0,0.0,1.0};

int num_of_feats;
int i;

char *edge_lens[3]={"1","1","1"};
char *diameters[2]={"1.0","2.0"};
char *height="2.0";
char *name;

uf_list_p_t uf_list;

/* Create a block, cone, and cylinder. */
UF_CALL(UF_MODL_create_block1(UF_NULLSIGN,
origin,
edge_lens,
&feature));
UF_CALL(UF_MODL_ask_feat_body(feature,
&block));

UF_CALL(UF_MODL_create_cone1(UF_NULLSIGN,
origin,
height,
diameters,
direction,
&feature));
UF_CALL(UF_MODL_ask_feat_body(feature,
&cone));

UF_CALL(UF_MODL_create_cyl1(UF_NULLSIGN,
origin,
height,
diameters[0],
direction,
&feature));
UF_CALL(UF_MODL_ask_feat_body(feature,
&cylinder));

/* Unite the block and cone */
UF_CALL(UF_MODL_operations(block,
cone,
UF_UNITE));

/* Find the boolean feature (META) */
UF_CALL(UF_MODL_ask_body_feats(block,
&uf_list));

UF_MODL_ask_list_count(uf_list,
&num_of_feats);
for (i = 0; i < num_of_feats; i++)
{
UF_MODL_ask_list_item ( uf_list,i,&feature);
UF_MODL_ask_feat_name(feature,&name);

if (strncmp(name, "META", 4) == 0)
{
UF_free(name);
break;
}
UF_free(name);
}

UF_MODL_delete_list(&uf_list);

/* Change the tool body from the cone to the cylinder. */
if(UF_CALL(UF_MODL_replace_boolean_body(feature,
UF_MODL_TOOL_BODY,
cylinder)))
{
/* error check */
}

/* Trigger update */
if(UF_CALL(UF_MODL_update()))
{
/* error check */
}

}
/*ARGSUSED*/
void ufusr(char *param, int *retcode, int paramLen)
{
if (!UF_CALL(UF_initialize()))
{
do_ugopen_api();
UF_CALL(UF_terminate());
}
}

int ufusr_ask_unload(void)
{
return (UF_UNLOAD_IMMEDIATELY);
}


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