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CAA开发之文档操作
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4 u3 g+ k7 c! A! \! ^ p& i: J+ [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。/ J2 F7 p1 F+ N1 m! S4 b3 o
6 u, t/ X; [( R$ U5 `3 |' GCAA中对文档操作的基本步骤如下:! K" z6 e! {# d/ H: m, N
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创建会话 - creating the session
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9 S8 w5 X! k0 k( X9 M新建文档 - creating a new document
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2 d. i D2 t+ N; x' \调用接口 - Query Interface
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获取根容器 - retrieving the root container ]- X: ~& d3 |& R& h# m
0 N! b' E5 t# z- j. L; ?7 i# x保存文档 - saving the document
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删除文档 - removing the document
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# l; g. \* |! A8 U: D% _! M删除会话 - deleting the session
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. r5 b' S* b' j$ b# ~8 |上述步骤详细说明参考百库全书技术文章 Creating a New Document。- u7 I( T2 e2 O$ b6 e4 Z
( j3 M6 c' f: _7 H! q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。* {6 b" u! E; D3 V
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下文将对各步骤进行补充说明。7 [9 |# R% z% y/ O- j& q7 s
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1 文档创建(Create the new document)7 T" u0 J2 K# g2 N
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
+ S/ F1 j( V* r3 l! y- ANew:新建一个空文档
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* R! E4 _; S: f5 V2 }/ S& S$ PNewFrom:新建自0 S8 C3 j9 l1 K7 l8 j4 h
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新建文档代码:/ |, p/ n/ C; C
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CATDocument* pDoc = NULL;
' ~& E! D5 x8 p8 w: LHRESULT rc = CATDocumentServices::New("Part",pDoc);
" t6 ]9 n4 ?: {if (NULL != pDoc)
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) X# d9 n- E1 P+ O cout << "New document created OK" << endl << flush;
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else
8 {3 S; y- M8 v2 C8 Z6 ^- N{( f: @8 f- @6 L, Y3 H9 O* L
cout << "ERROR in creating New document" << endl << flush;
+ b9 p" W4 r( y" T& T) G7 @ return 2;
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2 文档加载(Load the document)7 O% w( Q9 c1 {! j
文档加载即打开现有文档,主要方法包括6 ?! n/ o& R- ]0 I
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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( S; @3 B5 T4 T$ _6 a2 d: [9 n- zCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行5 l/ }! q3 c4 o- T ]$ |
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Open方法:
( A. j1 Y E% Y, VCATDocument *pInstrumentDoc = NULL;% G) E: t( k! G
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;; D/ L3 L) ~; ~( k ^, [' m
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rc = ::GetPtrSession(pSession);1 J9 k3 T( F9 B
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;
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9 D- z! k) m2 j L% Frc = piSession->Open(PathName,FALSE,&piEditor);) A$ B! r, f5 `7 P
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();) u7 d0 B! y2 s0 j5 V7 o
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pInstrumentDoc = pFrmEditor->GetDocument(); 3 e5 Q2 }# l1 ?
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......- I7 j) {/ F: ?" `3 V
1 B/ Z& \( I* O2 r# x M0 s: wOpenDcument方法:
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2 ?" Q: [& R& T$ E% A4 cCATDocument *pDoc = NULL;- A9 ]% O/ @4 s# E H4 J5 k4 `
CATUnicodeString storageName = "XXXX"; //文档保存路径名( k) |5 I$ t8 ?9 [* m/ K
+ h H) q. n4 v" W- ~% X7 Irc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;9 O" t, y/ o: c% U$ r
}
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cout << "ERROR in opening an existing document" << endl << flush;8 r3 J3 \* Q* v) I
return 2;0 O( q" ^8 }' w b* G
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3 获取当前文档
: d& ^, {& Y% p; z: Y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,+ V" v Z) ?, Q+ b- G
% P7 F+ r. K8 t+ bCATFrmEditor * pEditor = GetEditor();
' L Q6 B5 n+ pif (NULL != pEditor )7 a2 @ v8 H/ H6 b. Y5 i
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cout << "Editor got OK" << endl << flush;. O( u/ O; h) k. J
}
& T7 \- F" c, A# j8 telse
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1 B2 n- O# L- H+ A( V' I cout << "ERROR in getting the current editor" << endl << flush;3 q4 a& v4 _+ i8 n' Y1 L" b$ P
return 1;1 ?5 N/ T1 ~# ^' v. d; n
}; C' L$ b, S0 X1 e
CATDocument *pDoc = pEditor->GetDocument();4 m7 a% Y- J1 @
if (NULL != pDoc)
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# T2 \8 i' g, N- j cout << "Document opened OK" << endl << flush;
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2 H* {3 M9 |# I7 Zelse
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cout << "ERROR in opening an existing document" << endl << flush;0 H2 @7 A6 w8 `
return 2;6 w/ T) N; s& D* Z% \$ _
}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。) h' k4 I2 e% ]+ X' h- [9 \8 l, A1 D
4 保存文档(Save the Document)
8 e! B4 f( J/ T9 t1 U! K& d0 j4.1 另存:即保存为新模型
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9 ?- t+ c5 n! S- x* H4 dCATUnicodeString savePath = "XXXX"; //文档保存路径 _+ K. l$ s, y; @
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
8 v5 ]& P3 o! vif (SUCCEEDED(rc))
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! w4 }! v' W+ D: l9 e cout << "Document saved OK" << endl << flush;
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4 d( {$ ]- k3 E4 g0 ?else
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cout << "ERROR in saving document" << endl << flush;$ Q6 e. C* A# a* M+ L; W# N
return 5;
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" B$ w* u) a$ e0 H, Q+ v, W4.2 保存:不更新保存路径, }% K6 R% {/ K d3 X; J
rc = CATDocumentServices::Save (*pDoc);. E3 }3 x) L8 I! G& f
' @1 C/ `3 g [, C7 y" d, B6 z/ rif (SUCCEEDED(rc))2 ]/ X' o4 P3 h0 u
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cout << "Document saved OK" << endl << flush;
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cout << "ERROR in saving document" << endl << flush;
$ T7 K: h& n1 y: i1 b" L' `. s return 3;& S# [8 G( _4 t5 |
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5 删除(Remove the document)0 j4 M8 @4 t/ M! ?, G9 q
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rc = CATDocumentServices::Remove (*pDoc);
5 o- ~2 F! V8 d) t: W/ aif (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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else
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$ I G" |1 k* s, C' ~/ L cout << "ERROR in removing document" << endl << flush;- T5 @, M9 J3 s$ A- H; K+ R- O
return 6;
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方法封装7 _2 g B+ B" l' ]4 F4 R
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0 ^% Z2 d% q2 w x9 T) ?
输入:5 G* |0 |& ? T
CATUnicodeString PathName //文档(模型)的路径
& d/ V: P9 \' V输出:
: Q9 ]' M8 L& m% b1 ]CATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:
# W! }* y# Y. D, \) A% L: q" {获取当前模型树根节点
/ Z# J; `: e3 f8 ?; N7 e模型加载后可视化7 E7 L% [' ?+ x" W5 o
刷新根节点2 R1 C+ a: V% ]& y9 a# Y
----->打开文件) _: Z! L! q8 q$ V. I. `: @3 O. i
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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; {! w2 p, q; m, e5 ~2 o* MHRESULT rc=E_FAIL;
6 f3 n, k9 C! BCATBaseUnknown * pRootProduct = NULL; Y( H# K5 f8 _3 u# J+ U' }
CATIProduct *piRootProduct = NULL;* F. P X; r! h6 v0 M7 x h
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点- F: g* {: W6 k
if (SUCCEEDED(rc))
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% U y& K! r$ h& h6 Z/ [* {0 I" urc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);6 w: t) O) N7 w" T: I
if (SUCCEEDED(rc)&&NULL!= piRootProduct)9 ^* \( ` |9 e+ J
{
1 w, i& T2 q! q# wCATDocument *pInstrumentDoc = NULL;
0 g+ y, t7 [) B5 `CATIIniInteractiveSession *piSession=NULL;! I" E1 k. N: u j' c
CATSession *pSession = NULL;' @) e. S$ @/ x+ Q" H7 k
rc = ::GetPtrSession(pSession);
* `# ]& t( Q A4 @. ~- K% U8 |( nrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
- u+ Z$ d, Z; UCATIEditor *piEditor=NULL;7 j! f! |1 l8 G8 Y h
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
( I3 O' U4 V( B7 B0 M- q/ `if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
0 s% t* g( X( u% g) G- z" l4 z1 G{ cout <<"The document" <<PathName<< " is opened" << endl ; }
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{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
* P! d# y% S6 GCATIProduct *piInstanceProd=NULL;
/ Q |1 g- t. ]+ t4 v( B* B0 erc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 6 {6 }$ a& ~2 C' F5 n' i
if ( FAILED(rc) ) return FALSE;
. ?& u# N" ?) w0 s: t. V) l// rc = piSession->Close(piEditor);
( W! z+ p) z, e0 c) @% w) [# N, {6 Q* opiSonProd=piInstanceProd;
4 F \/ M! F$ r/ s. C/ H6 V6 uXXXFunction::UpdateProductRoot(); //更新根节点. a, ?0 o; Z2 ]: N
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}
0 L8 s8 D/ I& s0 m9 Q/ nreturn 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); l1 ]% [4 t% p0 k' S
8 Y( _6 x& G( O# F3 Y //AddExternalComponent全局函数所需的三个参数,6 b& J" i2 s4 `/ m2 u: ?' M
* M4 p8 }3 ~4 s4 a$ q7 h //被**的product document的root product,CATIProduct类型' S/ e) u' \3 F0 m, ?
% L6 b# E% S9 Z7 s //将要**的part document,CATDocument类型
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//the product instance of the imported document
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% ^7 M7 D0 L5 _0 F% K. z/ ] //注意要**的document也要检索它的root product% Y. x0 _1 @0 ]. ^
9 Z$ M! a/ C4 G. N" ~' b( V5 n cout<<"添加组件执行"<<endl;, Q5 m' u/ ]* F% z
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HRESULT rc = E_FAIL;# z3 |2 J; w# j! L7 }
6 e* B( J ^3 I# o9 w) r' q. z9 E if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL;
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$ O% t% O- B9 ^4 A if ( NULL != iDocument). B* |& F z" v- O- z) G
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4 X6 M6 J2 ]3 s, W( S) I0 H // Get RootProduct of the document to import.
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9 t( q+ y' @/ w) Y5 Y1 Q+ B CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
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(void**) &piDocRootsOnDoc);
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- K! D) P7 B! _& t; r- X6 A if ( FAILED(rc) ) return rc;
: a2 F& w: @" A# U* C2 G& e. f; E2 z- i% m6 }% x+ m4 _
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();: {. M% O. d7 N K2 w
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CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
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if (pRootProducts->Size())
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{ ; @' C* E$ u8 @" \% E' W& ~- O
! Q! T( d& }* _6 n8 I. S" U, } spRootProduct = (*pRootProducts)[1];& N1 V# C# D4 p- W! \
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delete pRootProducts;6 T/ C* _0 S% t# I
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pRootProducts = NULL;
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piDocRootsOnDoc->Release();
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piDocRootsOnDoc=NULL;
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CATIProduct_var spProduct = NULL_var;/ B& e& T9 ~$ B" Q( B, L
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if (NULL_var != spRootProduct)
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spProduct = ipiFatherProd->AddProduct(spRootProduct);
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cout<<"NULL_var != spRootProduct"<<endl;) t+ m' |8 g. Z* c9 u9 X6 W; q' ^) G
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1 o) t: y3 t+ A3 Y
2 F8 a* |1 [' W/ J else
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$ x5 R. |8 C- x$ u4 o
CATUnicodeString docName = iDocument-> StorageName();$ ~- P; O& {4 e. j! l* p3 a
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ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);% l$ V6 {1 B" j9 M% i; u
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- O; K9 y4 k$ ^4 X; b
if (NULL_var != spProduct)
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{% H3 C5 n: }) L
' V! L* P. M3 r
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);' N# X# j: t2 f( Y' K% {( l4 m
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;7 p& z. x% V2 P; C3 e2 o
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}
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}
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return rc;
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}
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----->刷新模型根节点: \) o6 i$ c# _* a. o; W1 c
' j2 o4 Q9 x' S# M8 A2 @5 Cvoid XXXFunction::UpdateProductRoot()
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{: _3 a$ Q, F' X0 x5 ^
8 _% w( n* S; @! K* F' f
//*******************************important**************************************( ^" w* M& u1 L5 o2 d$ m1 W% h
& @* A. A" e0 m! u CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();. n" L1 r- T% H. V
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CATFrmEditor * pEditor = pWindow->GetEditor();* X) u) m5 C+ t9 G' z
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CATDocument * pDoc = pEditor->GetDocument(); ) }& q R* d, T3 Z& t3 @4 B; c/ y
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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6 q9 G" [- i$ r* c1 o: E3 h" P
* W6 Y' p3 @: y9 b& j$ X! t1 k //首先,获取该当前活动文档的产品根节点 H3 y% f, c) b5 t. ]5 I$ a
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CATIProduct *piRootProduct = NULL; 3 y/ }( j$ U; u9 P/ j
$ Z4 ^) Y1 c1 N7 Q3 } CATIDocRoots* piDocRootsOnDoc = NULL;# R/ M7 C; l( {
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);( `+ `3 _9 T1 u' |; L: n. S; W3 O
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if (SUCCEEDED(rc))
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{
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# R8 O- T3 Z5 p" j4 d // Retrieve the root product which is the first element of root elements$ y8 r' L1 T& l; L; P
1 s; Z$ y- n/ Z) D+ b, B2 ], J" @0 u CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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. z! @! P2 m! d1 `& M piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;6 f; Y1 S. n4 M8 F D
7 h b6 ^0 c# E: z2 N$ }, J& K CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())- h* N7 R) Y1 {7 g" ]6 f( \# [9 r
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+ Y% c5 p7 b, ^ pBaseRootProduct = (*pRootProducts)[1];5 {1 T# U2 J6 ~: J% K+ x
; y$ _6 E6 H$ |5 K& r8 u# p# [; y delete pRootProducts;
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pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;8 V! a$ j$ L# C3 x( z9 m% r
8 \% H) N; b3 f rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);' a5 `6 \" X- A+ k
& P4 U. o" P, U6 k4 r5 E$ k if (FAILED(rc)) return;
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//对模型树进行刷新+ d/ z- G; e: h. E: v
; {8 X0 L5 C. F CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新5 o: p( _$ f0 M% O
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pPartRenew->Update();
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9 l: }4 v; O8 f else return; s$ ]1 g8 i! [& w
, p/ B; O& t! r9 @& O# |9 a# { //----------------------------------------------------------------
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: V8 _6 f8 N* t4 A* V0 f //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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CATIModelEvents_var spEvents = piRootProduct;4 } n( k2 H8 N1 F" b: V
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CATModify ModifyEvent(piRootProduct);! Z" N. U4 e/ A! ?# W6 R
0 f# ]' l; y8 b6 @ spEvents -> Dispatch (ModifyEvent);8 p u! {& O2 M: |5 f# I
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//Update the graph view
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# S9 f' w6 O W+ b- I' M CATIRedrawEvent_var spRedraw = piRootProduct;, e7 ` k/ H) j+ v8 z1 O7 l
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spRedraw -> Redraw();
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- }; c+ K; B. M9 R r4 O( P piRootProduct -> Release();! V$ e7 @2 g9 u& K
" [+ l9 a; r: W! w7 A2 y ^ piRootProduct = NULL;" @; t: V( |0 n' k$ a& k6 Z
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