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

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; F  G+ ]% B- S! N5 I; ]4 yNX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)
{
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  n+ D# O: @# U4 C2 w1 G//  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.
' E5 |! w! r$ h; n5 C   
    logical
        hasRefAttr = FALSE;
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+ E1 t$ }) x/ K6 F8 @    hasRefAttr = cmpnt.HasUserAttribute(RO, NXObject::AttributeTypeAny, -1);

' s' z: p. B  O$ }) V/ v    if(hasRefAttr == TRUE)
/ J0 {/ k) G4 T( a( _4 y8 Q    {
+ h( b8 V! u; r$ \# A+ P5 s        return TRUE;
9 s4 o0 l9 e: d2 M2 P    }
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- Y2 ^4 R+ [. I' u8 N- n, C    return FALSE;

}
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static tag_t ask_next_of_type(tag_t part, int type, tag_t object)
9 `+ Y3 r5 M+ Y+ Z$ @{
/ L/ E0 }  e6 O* g. H- F    UF_CALL(UF_OBJ_cycle_objs_in_part(part, type, &object));
    return (object);
& G. V* f' i' I}
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static void do_it(void)
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    // Assumes that the display part is the top of the assembly

    tag_t
* y8 |- S0 `1 e& w$ o: ~9 W        dispPart = UF_PART_ask_display_part();

    if(NULL_TAG == dispPart)
3 ?1 `. P) |% ]9 M- f) w5 S    {
6 t2 A# L3 {; r+ x$ f        ECHO("Program requires an active displayed part");
        return;
    }
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" Q( d+ T+ I% z0 A  V' Q    tag_t
        compTag = NULL_TAG;

    while((compTag = ask_next_of_type(dispPart, UF_component_type, compTag)) != NULL_TAG)
9 t. Y& _+ q) Q: b& i+ W" I6 v7 F    {
  D& `4 ]3 e0 \  h( \        char
1 D- j' q0 j3 e            msg[512] = {""},
+ I6 W! _0 a9 U& u6 h/ I            fSpec[256] = {""};

  o' I/ l" ~: C  v3 p4 W            tag_t
2 T# P5 s" M, l0 l1 b                protoPart = UF_ASSEM_ask_prototype_of_occ(compTag);

' `1 q5 W; Z& e1 v- U6 e2 U            UF_CALL(UF_PART_ask_part_name(protoPart, fSpec));

            // uncomment to see all component names:
            //sprintf(msg, "Component Part: %s\n", fSpec);
            //ECHO(msg);

            Component *theComponent = (Component *)NXObjectManager::Get(compTag);
            if (attribute_exists(*theComponent, RO))
$ V7 \7 O2 S. E) I& L! x/ T            {
: `0 j. w0 T/ V/ j$ j5 Y3 a% }1 u                sprintf(msg, "**** Reference-Only Component: %s\n", fSpec);
7 _* _* F! @5 ^5 k) A3 g% A                ECHO(msg);
6 D2 e$ V8 k# K9 Q' C/ n. U            }
    }
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