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)
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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
$ |% r+ y+ u- G% Z/ [        hasRefAttr = FALSE;

    hasRefAttr = cmpnt.HasUserAttribute(RO, NXObject::AttributeTypeAny, -1);

4 C, j, A. A! X* Y    if(hasRefAttr == TRUE)
2 m. e* ~5 G8 }$ o2 Y/ j* j1 M& ^    {
* y# v5 `/ H/ F6 g$ Y* E. n        return TRUE;
    }
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$ W* W5 y# w' C' o6 L/ p    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));
* G+ j# y/ E% e: P, ^- f* O    return (object);
}
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static void do_it(void)
{
0 {$ z* o  T( Q5 a7 L8 `) ]    // Assumes that the display part is the top of the assembly

; f2 U+ L/ o  a8 m. B( N    tag_t
        dispPart = UF_PART_ask_display_part();

9 F# l- B& q3 g    if(NULL_TAG == dispPart)
    {
9 ~+ `* n0 l! y# }* n        ECHO("Program requires an active displayed part");
        return;
  W7 d6 m  k( A- r: i. V1 u    }
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    tag_t
        compTag = NULL_TAG;
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    while((compTag = ask_next_of_type(dispPart, UF_component_type, compTag)) != NULL_TAG)
- f9 L/ B' `2 q    {
! Z. D2 ?- D: F  F$ D8 ^! L0 _        char
            msg[512] = {""},
! x8 P2 Y% G4 @! S2 x5 o            fSpec[256] = {""};

' J, O4 h3 o' X0 [' v) p            tag_t
( [- H) E! Y8 [+ ^* b                protoPart = UF_ASSEM_ask_prototype_of_occ(compTag);
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' v0 Y( }2 ]# u# C& A) }# Q" N            UF_CALL(UF_PART_ask_part_name(protoPart, fSpec));
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            // uncomment to see all component names:
0 r, y0 G+ z8 w0 P  P, m4 c+ B            //sprintf(msg, "Component Part: %s\n", fSpec);
            //ECHO(msg);
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) F1 y1 y  k% a8 S% B            Component *theComponent = (Component *)NXObjectManager::Get(compTag);
% |: I3 D/ R; w2 K6 G" m3 d            if (attribute_exists(*theComponent, RO))
            {
                sprintf(msg, "**** Reference-Only Component: %s\n", fSpec);
# h" [. G# i, J- N4 C& G# D6 C( |5 @                ECHO(msg);
            }
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7 v  ~9 q. P$ \% V5 o}[/mw_shl_code]
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