UG二次开发中的测量重量的代码

void Write_weight()
{
int ii=1;
tag_t object_tag=NULL_TAG;
tag_t display_part=UF_PART_ask_display_part();
do
{
int type,subtype;
char msg[200];
double zhongliang;
const UF_WEIGHT_units_type_t units=UF_WEIGHT_units_kmm;
UF_WEIGHT_properties_t properties;
UF_OBJ_cycle_objs_in_part(display_part,UF_solid_type,&object_tag);
if(object_tag==NULL_TAG)break;
UF_OBJ_ask_type_and_subtype(object_tag,&type,&subtype);
if(subtype!=UF_solid_body_subtype)continue;
UF_WEIGHT_estab_solid_props(object_tag,0.999,units,&properties);
zhongliang=properties.mass;
sprintf(msg,"%6.4f\n",zhongliang);
uc1601(msg,1);
if(zhongliang>0)
{
UF_ATTR_value_t value;
value.type = UF_ATTR_string;
value.value.string=msg;
UF_ATTR_assign(display_part, "weight", value);

}
//sprintf(msg,"运行次数为%d\n",ii);
// uc1601(msg,1);