NX二次开发源码分享： 获取当前Reference Component的通用方法

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NX二次开发源码分享： 获取当前Reference Component的通用方法
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[mw_shl_code=c,true]static logical attribute_exists(Component cmpnt, char *title)
$ N/ v, Z# E. c. c{
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//  The traditional method of asking for all of the components recursively//  does not work if you are looking for reference-only components,//  because they are not retured when you ask for the children.////  Also, asking for the AssembliesGeneralPropertiesBuilder.ReferenceComponent //  Property  does not work in versions earlier than NX12.////  The workaround is to cycle for components the old-fashioned way,//  and then ask whether each one has the REFERENCE_COMPONENT attribute.////  If you have multiple occurrences of a given component in the assembly,//  each one will be reported.
   
    logical
' U0 n0 V: @1 }7 N) l+ S8 K        hasRefAttr = FALSE;
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( {+ C: l0 V9 Z3 w. e" h! j  q    hasRefAttr = cmpnt.HasUserAttribute(RO, NXObject::AttributeTypeAny, -1);
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    if(hasRefAttr == TRUE)
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        return TRUE;
5 P; j" K$ K. X( r$ t    }

    return FALSE;

}
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static tag_t ask_next_of_type(tag_t part, int type, tag_t object)
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    UF_CALL(UF_OBJ_cycle_objs_in_part(part, type, &object));
    return (object);
}

static void do_it(void)
{
    // Assumes that the display part is the top of the assembly

  T3 p! B  o4 G4 y    tag_t
        dispPart = UF_PART_ask_display_part();

    if(NULL_TAG == dispPart)
# A4 D, p5 p# O" E    {
+ N/ D" g+ A/ `1 s, `. Q/ N        ECHO("Program requires an active displayed part");
        return;
# t/ N: E9 Y+ |- n0 H    }

$ ~/ n' s9 K$ \: T# o. C! ?' w    tag_t
# c9 Q+ V1 f$ p; j, m/ V7 V        compTag = NULL_TAG;
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    while((compTag = ask_next_of_type(dispPart, UF_component_type, compTag)) != NULL_TAG)
/ K# K3 i6 q0 Z9 r( ~- r    {
: t( R5 ]# Q- I2 x4 m" ^        char
            msg[512] = {""},
            fSpec[256] = {""};
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            tag_t
                protoPart = UF_ASSEM_ask_prototype_of_occ(compTag);

) @! S1 K. b5 W5 G/ H, `            UF_CALL(UF_PART_ask_part_name(protoPart, fSpec));

: D. m6 r' j) K3 R+ w            // uncomment to see all component names:
            //sprintf(msg, "Component Part: %s\n", fSpec);
/ E$ w7 B' O. X3 r( ^) @) X            //ECHO(msg);
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  D$ o9 [* V3 G            Component *theComponent = (Component *)NXObjectManager::Get(compTag);
            if (attribute_exists(*theComponent, RO))
" \5 s5 ]5 n# E( e9 p' ]            {
) R$ S: n- x# b4 e9 d! Y% Z  q                sprintf(msg, "**** Reference-Only Component: %s\n", fSpec);
4 q& I2 C; a' a0 l# ]; C                ECHO(msg);
9 r' a+ R- q' x. b$ N( ~' L! g            }
    }
}[/mw_shl_code]