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CAA开发之文档操作
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CAA开发中经常会遇到对模型文件的创建 ,加载 ,删除 和保存等操作,项目开发中可针对通用功能对基本方法进行封装。本文梳理文档操作的基本方法,并举例对部分方法进行封装,仅供参考。% c# t. g, d$ L% T7 u
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CAA中对文档操作的基本步骤如下:
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创建会话 - creating the session- |# I* Z: |% ~
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新建文档 - creating a new document
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调用接口 - Query Interface
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7 ]) ^& l" t/ b1 S2 I4 o+ W获取根容器 - retrieving the root container
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4 I) h! H% \6 l6 o2 B+ e保存文档 - saving the document% M; b K$ t) B, r
/ u" S: P% T( n ?7 s删除文档 - removing the document8 T. k- ^$ r4 J
' v, p! w8 B" A( V5 p) }9 X) a删除会话 - deleting the session $ o9 _3 h; v w7 }6 P
7 v" d$ x( a9 `" }上述步骤详细说明参考百库全书技术文章 Creating a New Document。' ^# S: s0 |6 F2 p" L
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文档(CATDocument)的操作主要依赖于CATDocumentServices 类,该类服务于文档的所有基本操作方法。通常用于批处理中对文档进行不可见的操作,如创建,打开,保存等。
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6 {. y$ h5 p& g, D* s8 B下文将对各步骤进行补充说明。
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$ Q; O9 l4 x& w: m6 d1 文档创建(Create the new document)
* f3 D+ O+ {: u( r3 J2 e9 ~4 ?7 p$ W文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
2 Q |- v$ m% p1 jNew:新建一个空文档
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NewFrom:新建自
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5 H2 M5 Q- ~8 m! I新建文档代码:" ~+ x/ r" ?3 k, k
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CATDocument* pDoc = NULL;
" [: H; ?! ~5 O1 @3 n* o. ?- hHRESULT rc = CATDocumentServices::New("Part",pDoc);, Q; a% z+ Z* i% V1 M$ n5 b. Q
if (NULL != pDoc)& Y' j. r( W: o
{
) m( t' K9 f3 A/ g cout << "New document created OK" << endl << flush;( o; G' `2 o5 n; i) G& q
}
/ B2 l1 u. y" q0 b& Telse% ~. _6 k" E" d5 A
{
+ i9 N7 T Y: j1 m5 p& z cout << "ERROR in creating New document" << endl << flush;
: d2 N: D/ D F( l return 2;) b1 ^5 `0 m1 u* Z
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# {! N5 W& z5 q2 文档加载(Load the document)* q O) x' O* s. w" e
文档加载即打开现有文档,主要方法包括
' J7 v/ J& [, Z% ZCATIIniInteractiveSession 中Open方法:打开文档并可视化显示9 a7 [( f4 n8 u; ]- N ^. i
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CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行8 `3 b5 E: C# J X
% E1 e; |4 n" s: x& V, xOpen方法:' I7 _& b& s! |8 |8 J/ l6 E
CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;
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+ a! M& E F* X+ P0 Z( vrc = ::GetPtrSession(pSession);# H( h2 b" U8 b8 X: Z5 Z! N' r4 m
1 y' s2 ]7 b( v; `* Irc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);3 ^3 A6 \1 F( H; q3 f& @4 g
+ O& W3 y0 L3 ~5 _# L" OCATIEditor *piEditor=NULL;6 r* }" L% l8 a; D
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rc = piSession->Open(PathName,FALSE,&piEditor);
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/ P. J0 Q' a: M4 GCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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3 o3 y+ s8 m0 X3 mpInstrumentDoc = pFrmEditor->GetDocument();
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. s8 @+ T; S& E( Y ......+ d5 S+ q& d; ~4 D3 H9 M8 n
' t2 x# v6 x! D8 M7 N* IOpenDcument方法:- ?# K, r% o: P# |( T
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CATDocument *pDoc = NULL;
# U$ Y$ g5 e' m& {& Z$ F% X# |CATUnicodeString storageName = "XXXX"; //文档保存路径名' y; `8 n9 V( u k( f/ p' v
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);& C# ^# \1 ?: E
u3 m$ R# {- \if (SUCCEEDED(rc) && (NULL != pDoc))' s( _& h, R2 n5 a3 y+ U u
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cout << "Document opened OK" << endl << flush;
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else
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- A1 ^) G. ~% c3 S U+ ` cout << "ERROR in opening an existing document" << endl << flush;
% n' \3 T) f* J return 2;
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3 获取当前文档
' z+ E% m# t8 t2 v& u' t2 W! F获取当前文档,即获取文档指针*pDoc.上述方法都能获取该指针,但通常对文档操作是基于当前环境的,尤其是交互操作过程中,获取该文档指针之后才能对模型特征进行后续处理。获取当前编辑环境下文档指针方法如下,2 A" \) x- B/ ~2 v6 c# M
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CATFrmEditor * pEditor = GetEditor();. P2 O' i' A" r9 q' ]9 G8 r0 S* f
if (NULL != pEditor )' e: p- u# M2 E4 r% c
{
. E3 `" z& p3 o: ^, y! A& [ cout << "Editor got OK" << endl << flush;
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{
6 w7 z7 U% G% b7 O) E% g cout << "ERROR in getting the current editor" << endl << flush;* h* S* G$ B! ~- ^8 n
return 1;# X8 k8 e. I$ ^0 k B- [- ~# L0 e& e
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CATDocument *pDoc = pEditor->GetDocument();
4 u2 K3 W: }: W- a$ bif (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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cout << "ERROR in opening an existing document" << endl << flush;. I9 Q) {' g+ y3 {
return 2;
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0 R" s$ P; y* w |5 O 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。3 G! m; {/ K% `% R
4 保存文档(Save the Document)- ^) B# {# W$ j1 s
4.1 另存:即保存为新模型; g9 k i7 Y0 v
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CATUnicodeString savePath = "XXXX"; //文档保存路径
, k6 C/ N2 |" i! _rc = CATDocumentServices::SaveAs (*pDoc, savePath );
: [- T* g9 g+ t$ f+ Xif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;: N9 g7 ]% T: i. F4 z9 k# \2 N! V3 o# V, v
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else
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$ X7 X) J% J9 O% T+ w/ _/ y. {+ Z cout << "ERROR in saving document" << endl << flush;* e' D) |8 s9 m# h0 S# v
return 5;
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$ z$ P. l6 j4 i4.2 保存:不更新保存路径
9 }( u1 c! }" z) X3 m. Grc = CATDocumentServices::Save (*pDoc); M) j" R4 v. N1 c3 m6 X
& J# e C/ S5 W5 l* M& X4 ]$ `if (SUCCEEDED(rc))
+ x, k$ [0 v6 [) n5 [{
/ G0 I; X8 \) Z2 V cout << "Document saved OK" << endl << flush;) x) V5 o8 D2 d0 v* c$ m
}
& B* R* A j: J. q( xelse
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cout << "ERROR in saving document" << endl << flush;: [% }5 |5 f5 H* Y, G
return 3;6 A4 y' ?7 p9 M! ^/ r
}
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. _6 `% G- J! ~' p1 h/ ?5 删除(Remove the document)$ D( j* M) [0 D% h# t2 I; W3 B
+ |) G% S1 G: h% e( j" N; X$ Trc = CATDocumentServices::Remove (*pDoc);0 S' B. {, N/ E1 d$ @
if (SUCCEEDED(rc))
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9 H( g8 W# f% ]* @- }. w+ c6 i! u2 o cout << "Document removed OK" << endl << flush;: L0 `4 } K' }5 C7 n
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else
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1 l* z( K$ L) n y cout << "ERROR in removing document" << endl << flush;* s% y6 O; X8 g; C
return 6;0 D9 {" q3 h j# j0 g% u
}
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( l4 w$ r: k- K: P0 d方法封装
& X) ~0 Z% V2 C$ m Z$ a3 @: ?& M+ o上述是对文档操作的基本方法,在实际项目开发中,该类操作使用比较频繁,通常只需要获取相应的指针即可,如对本地模型的特征操作,我们需要加载本地模型文档——获取其文档指针——获取其容器——获取其根节点。每次操作都是这关键的几个步骤,不同之处在于模型的本地路径,以及相应的模型在模型树上的根节点。因此,我们可以对文档加载方法进行封装,即输入设置为文档路径,输出为该模型在模型树上的根节点指针。如“打开文件”操作,封装成OpenCATFile方法如下; L7 f/ v% E) |- i' F1 w
输入:
% e3 e, V- z8 f, n$ HCATUnicodeString PathName //文档(模型)的路径" v6 P3 g6 ?9 }2 ?; j
输出:9 Y: {4 w! \2 O* |& O' B# h! t
CATIProduct ** opiSonProd //文档(模型)的指针
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1 S; e" G) D# ]. _+ @/ [% t. q- O辅助功能函数:
, t5 P5 N6 Z. K获取当前模型树根节点
" `2 c1 o2 z$ u( M4 d模型加载后可视化
6 f9 r# D. ~7 e0 C0 }! i刷新根节点
2 t# j$ v5 z1 u- \4 @. C----->打开文件
( [+ M9 f8 c7 D1 X. F0 k! E6 ^CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)0 o- E( ^" f. I( ^ ]
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HRESULT rc=E_FAIL;# x- I* h( l! Y. d# N
CATBaseUnknown * pRootProduct = NULL;
+ K9 V4 U0 u% r9 p& sCATIProduct *piRootProduct = NULL;$ z9 `* j4 I7 h* i( R
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
+ o* d/ j7 k& a& wif (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
o; o9 S% C1 [8 T) ~if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;
" p( A0 Z; s \8 m2 s9 S6 K1 DCATIIniInteractiveSession *piSession=NULL;
+ n2 d# F6 _7 q2 d3 mCATSession *pSession = NULL;) T5 g8 h) a1 i/ O6 |, P
rc = ::GetPtrSession(pSession);
% n! F7 \' `& Grc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
* v9 n! A" U; C9 [, tCATIEditor *piEditor=NULL;1 o- Z) x1 {$ v( m
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
+ G) G) K* y3 P; \3 y: s+ P% L3 ~3 vif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )" V3 R& i/ e( a! m' d# O/ k
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
2 g$ S) W1 u- H+ C5 f8 l% Xelse
+ W, g7 E( R9 h7 f) h{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }4 U2 I) u/ t! x
CATIProduct *piInstanceProd=NULL;! f$ @ a1 E0 P% S1 ?/ G0 R
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
% R- G% [, l1 bif ( FAILED(rc) ) return FALSE;; ]+ ]; W8 w0 ^. i
// rc = piSession->Close(piEditor); $ j9 B p& B# u( d9 `1 `$ b+ _$ C6 W
* opiSonProd=piInstanceProd;( x2 r2 ?6 P& ~
XXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;
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----->加载模型可视化
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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$ V9 C& I5 N; V- A //AddExternalComponent全局函数所需的三个参数,, v% z! V {% s: [& C$ `
: F. A( f& C3 s3 p% r) {1 v* _6 v //被**的product document的root product,CATIProduct类型& |4 [$ F5 k3 d' N! M Z
% m8 J4 U) |3 x8 n7 [% Q. ^
//将要**的part document,CATDocument类型
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0 w+ c" E# } b3 y/ A5 r, ?* f //the product instance of the imported document# f( h0 ?6 Y2 ^
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//注意要**的document也要检索它的root product- }3 J, y- A# @7 a
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cout<<"添加组件执行"<<endl;. [5 r: H% V M8 l3 m5 _# V/ _7 N( `9 \
7 H3 {: j$ O' m+ P! v( L |# s HRESULT rc = E_FAIL;" r: S) L8 d& A7 e- S
5 o0 A$ q0 X8 k6 _4 h if (! ipiFatherProd) return E_FAIL;
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( Y- { P- F3 d if (! opiSonProd) return E_FAIL; 7 [7 I7 Z8 y: E! G5 w
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if ( NULL != iDocument)
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/ g; P3 z) ^; Y/ @" ]3 Y // Get RootProduct of the document to import.
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, c5 S; m$ X6 p9 B" j CATIDocRoots *piDocRootsOnDoc = NULL;9 c1 i7 E: M, t( L2 r+ }* X
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
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(void**) &piDocRootsOnDoc);
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. p! h4 o- _; M+ O# t if ( FAILED(rc) ) return rc;1 x+ G! W/ @% _" L* j6 j
% t. ~( s- U/ ]
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();5 e% r7 X4 X/ w. L3 H4 ?2 I
. J; }, b ~1 I8 @. p9 K CATIProduct_var spRootProduct = NULL_var;/ W: P/ B, a, a0 m/ ]0 o
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if (NULL != pRootProducts)% [' M7 A, q/ }
( R$ `' {2 U: D {* }# Y% Y! ~! {; Q9 ~
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if (pRootProducts->Size())4 a4 J! U8 n w, F w- Z+ O! v/ m% f2 J
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{
6 |2 U0 d" q* X. p
" @* N" L1 y2 y! { a I spRootProduct = (*pRootProducts)[1];
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9 ~. [$ K' M" z+ x" o, a( i delete pRootProducts;
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pRootProducts = NULL;
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; [) {6 Y' I, g5 C
piDocRootsOnDoc->Release();
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piDocRootsOnDoc=NULL;
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CATIProduct_var spProduct = NULL_var;
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if (NULL_var != spRootProduct)6 W, \( v- e) U
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spProduct = ipiFatherProd->AddProduct(spRootProduct);7 s1 i ~7 `9 {8 f
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cout<<"NULL_var != spRootProduct"<<endl;5 B. Z, M$ h8 O% V6 e9 F3 Y) M
2 B) q8 m, j* t0 s
}
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else- u; P: K8 t `1 X
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CATUnicodeString docName = iDocument-> StorageName();
9 c+ Y4 n S% X4 u# g' K" _7 A6 h& @6 |; L3 \
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);; U4 d5 X! B. w
1 n$ l- S0 Q l
}
" A# z9 @( ^+ z+ v3 K- `
& w$ h/ E4 x4 f/ P if (NULL_var != spProduct)
$ l# f) j0 x; Z2 j, Q4 {
% @2 C# n3 u! E6 @/ [8 ^; S+ o; b {
8 |- i/ b8 ]2 W' q3 c4 |3 T, B5 u' e* A, {' \8 }
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;" j; ^! m6 m* O$ [7 S! Q% j
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}
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" G* o& S$ P( u- y* @
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H; y3 d! b- ^ d9 Z' d return rc;
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! T% Q5 X$ S" ~- j, W& M" t
----->刷新模型根节点! q, x4 o8 w( K" a+ I
2 w J6 t8 q" v/ H2 c' X; }
void XXXFunction::UpdateProductRoot()
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( T3 [2 m+ F+ ~{
9 n; J4 u- o: q9 U( s' E0 T' |* u
6 d2 D6 [( S) Q! S6 N9 a8 _ //*******************************important**************************************1 {0 ^4 i4 ~% D- R* [
* j: f" j2 y2 A4 n CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();, a( S# I3 W: q% [, v
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();1 a; L5 v' H' ?9 o3 `
5 V! P$ J, }6 {+ ]) I; L9 ^ CATFrmEditor * pEditor = pWindow->GetEditor();3 H( X. ^5 F) D5 W: L
% ^8 k) F# g* X1 R3 Y) K/ m
CATDocument * pDoc = pEditor->GetDocument(); & P, N* ]6 k; q- F
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//特征对象已经创建完毕,需要对产品根节点发送消息,更新产品模型导航树
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* Q6 b( L% F0 D) d //首先,获取该当前活动文档的产品根节点 . O, L5 @; ^3 Y" @+ V
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CATIProduct *piRootProduct = NULL; , s' L2 @, H( |" q8 U; a$ p
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CATIDocRoots* piDocRootsOnDoc = NULL;
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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( k( j# j- l3 o$ s if (SUCCEEDED(rc))
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{
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0 f1 {9 ^+ ]2 x; a+ j) W/ m ]$ E // Retrieve the root product which is the first element of root elements
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4 \" T+ b* e8 O' B$ O' [ CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();3 ~; L9 J4 b; L+ Y2 r: ?; u
2 J' u& u8 ]9 z' v piDocRootsOnDoc -> Release();! S3 @9 ?/ T4 s+ O% }8 e+ O
# g' ?5 W" ]! E- u5 w piDocRootsOnDoc = NULL;& @& x' {0 F* _! Z5 ?0 S
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CATBaseUnknown *pBaseRootProduct = NULL;
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' Q8 d' v+ U0 M2 ?& f if (pRootProducts && pRootProducts->Size())! {) [( m/ N3 e) ^
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{
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pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;/ K0 A6 H1 L- S w, Q( m4 v
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pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);6 C1 X+ p$ U- H1 {+ A- \
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if (FAILED(rc)) return;
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//对模型树进行刷新 c/ K8 H$ Y- s0 D1 }, Z9 L
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();
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( V9 Z3 k- u4 }8 e7 M; M+ K else return; ' e) a( g6 W; S, a2 y
, W7 w5 W5 e& k3 E! \, S( D //----------------------------------------------------------------
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& n8 n- E( S6 \" j% p6 P //给产品根节点发送消息,通知其更新三维可视化模型和产品结构特征树。
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/ x. Z H: l/ C# s. n G% s1 @ CATIModelEvents_var spEvents = piRootProduct;
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. T; q) R# U6 a2 G# T3 d0 g CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);% O1 t/ ~) g7 q0 L5 K
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//Update the graph view- @$ L, x% v2 Y
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CATIRedrawEvent_var spRedraw = piRootProduct;3 S6 [4 V/ A2 a8 }: f5 r
. k# @. m: ~8 N) u spRedraw -> Redraw(); 1 \% N' l# W+ r+ m( v( h
' G8 ^- ` ?0 a2 P piRootProduct -> Release();- Z" j1 j! k$ B/ Z8 S7 b. B
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piRootProduct = NULL;
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