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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。
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! b; G! p( V5 ECAA中对文档操作的基本步骤如下:
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创建会话 - creating the session+ E) V( b: ?$ c6 p9 D& Q( ~
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新建文档 - creating a new document2 g/ f/ q( T F3 F0 x! n: [
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调用接口 - Query Interface! k& | K/ d; _* p5 ~$ u. S
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获取根容器 - retrieving the root container
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+ h' D9 }: b- F t保存文档 - saving the document- Z& `# N5 D7 |* J" @) |+ a. ~
3 k" F1 D$ h7 B) p; h5 D5 [删除文档 - removing the document
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删除会话 - deleting the session 9 Q1 v3 p! s$ ^8 p. [
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上述步骤详细说明参考百库全书技术文章 Creating a New Document。6 |, z( t* ?: b
4 k L7 P+ e- G/ Y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。) Z2 v3 L3 z0 y8 t% e; ]
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下文将对各步骤进行补充说明。/ k' ~0 [( E! G8 i6 b
, K" n& c- B' b1 文档创建(Create the new document)" H" M& ^( W3 v1 U' v/ J$ |9 k
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
0 G8 B( `0 K/ WNew:新建一个空文档) W6 U- V ]: t+ d9 F8 m4 m
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NewFrom:新建自
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新建文档代码:
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CATDocument* pDoc = NULL;: U% O9 o# J, p
HRESULT rc = CATDocumentServices::New("Part",pDoc);# [7 X2 j0 o# m1 N2 h
if (NULL != pDoc)
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, d8 f0 G( M- c b cout << "New document created OK" << endl << flush;" R1 R7 X. K6 u0 j
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else
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cout << "ERROR in creating New document" << endl << flush;: Q: l0 ?/ a0 {
return 2;
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2 文档加载(Load the document)
% L! |7 | l# n! I文档加载即打开现有文档,主要方法包括
* q6 L; T' O* W* d# ~0 lCATIIniInteractiveSession 中Open方法:打开文档并可视化显示( a+ V) r8 z8 ]" k+ j1 ^' [
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CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:
# `% m' ` \' o4 kCATDocument *pInstrumentDoc = NULL;& {! }/ F6 O* t# i0 M7 r
) L$ r1 b* O8 @* K! b$ ^# i3 ACATIIniInteractiveSession *piSession=NULL;% B. N% |! w3 \, z
' `- {* b6 ^' E4 c) B' t; sCATSession *pSession = NULL;8 @9 @8 d# t! l8 m/ T R
+ Q9 A5 q$ T0 {+ N4 F+ ~: }# ^1 trc = ::GetPtrSession(pSession);
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E: j7 _! M( V0 |) M3 N, i! Xrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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2 e: b% P% {+ `$ vCATIEditor *piEditor=NULL;
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$ I+ M7 X4 J9 rrc = piSession->Open(PathName,FALSE,&piEditor);
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& P3 Z- ^" z% `: GCATFrmEditor * pFrmEditor = piEditor->GetEditor();/ C+ k9 s D l! J
( ?: F8 A Y: FpInstrumentDoc = pFrmEditor->GetDocument();
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......
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OpenDcument方法:
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CATDocument *pDoc = NULL;1 w% u4 y' Z4 j/ W3 \" g2 z, Z
CATUnicodeString storageName = "XXXX"; //文档保存路径名1 a% i: ^- m; I$ `2 i
5 x0 P/ s! M" d* irc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))6 ?- c- d3 ^1 A( X" W9 |
{
( M! f2 ~( S4 ~4 ]6 o cout << "Document opened OK" << endl << flush;
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else# C) `) G) V/ C6 o2 M4 F6 X* k
{
) b3 Q* S) z5 Z cout << "ERROR in opening an existing document" << endl << flush;
+ E. o0 U, d: o- c! z5 ] return 2;/ p X. s6 [! q. r% b7 F
}
^- J8 _ o1 F9 x' n% V: \& b3 获取当前文档/ t5 k4 @2 S* q: g9 e
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,
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# ]) h: G3 v, _CATFrmEditor * pEditor = GetEditor();
9 ?: `) N6 L5 g" K; o/ W# x2 ]: uif (NULL != pEditor )& c7 W9 S* F! H- O" P3 d; p8 W" ^
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cout << "Editor got OK" << endl << flush;
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else, ?4 K3 E6 E- U/ |2 l5 d
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cout << "ERROR in getting the current editor" << endl << flush;
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CATDocument *pDoc = pEditor->GetDocument();3 j, I& t5 o' Y2 D- j$ |
if (NULL != pDoc)
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: C; E4 b* ~# g# ^ cout << "Document opened OK" << endl << flush;- T5 R" n# I ^# v# k, q u0 \
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else5 K" G. V' Z% f& s
{
+ i6 C; }- V9 a. K cout << "ERROR in opening an existing document" << endl << flush;6 E" I: V( f' i
return 2;
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。0 k. b3 }7 i- N8 |' x- \4 _) [
4 保存文档(Save the Document)
0 M) Z+ M9 q# y* x! s3 l6 {$ z4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径6 j8 S7 {" l$ A
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
( p( y& J6 m( @1 q2 @if (SUCCEEDED(rc)): q( \2 V7 Y) }! e. s
{
8 ?& \# M5 h4 m, N4 h! E8 f5 c" j5 L cout << "Document saved OK" << endl << flush;8 M1 S% B0 k! e$ T& y# C
}
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& o" k4 c6 O; f0 N. S; C. n cout << "ERROR in saving document" << endl << flush;
* Z9 H. v% L( b6 c% U& u. w7 _+ b return 5;
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4.2 保存:不更新保存路径
- w0 Y& a, |6 X$ I, K H6 \rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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else+ n J, j/ H3 ~* n3 P# V
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cout << "ERROR in saving document" << endl << flush;. P# @- X7 l! X. L) G
return 3;
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5 删除(Remove the document): N" Z( v. K& N) A% u: L
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rc = CATDocumentServices::Remove (*pDoc);
/ s2 e/ S, r1 k3 H5 f( A6 Fif (SUCCEEDED(rc))
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+ l' f- Q8 {" Y0 l cout << "Document removed OK" << endl << flush;
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cout << "ERROR in removing document" << endl << flush;8 ~2 t3 U8 c! P( G2 t
return 6;. m5 _& _6 k. ~, c) ~. Y
}
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方法封装
1 w- y3 Z8 \. q6 z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
3 k+ `. ]- z0 ~! X; Y7 x) c- i输入:! u# q& y* x* _& P
CATUnicodeString PathName //文档(模型)的路径
. N% s0 F( E' I/ U. L# P输出:
8 K3 O* O) z: h0 CCATIProduct ** opiSonProd //文档(模型)的指针1 \9 P7 ~$ b( o! L( W6 o2 ^
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辅助功能函数:) ~4 i w' F- C5 ]
获取当前模型树根节点6 }8 A2 B; I% D
模型加载后可视化
3 K# o" X* q/ P& @8 O刷新根节点1 u- d. b( p' R# B
----->打开文件" Y2 p! O( n6 u y. e3 u
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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- c1 k ?" {( m5 |# dHRESULT rc=E_FAIL;# g9 A0 L5 o3 u- |) H2 r% Q7 Z$ K
CATBaseUnknown * pRootProduct = NULL;+ R1 U. P4 y; G1 z2 g u6 h6 N
CATIProduct *piRootProduct = NULL;" Z j6 L! W; G: G
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点5 q! r, i# U r @5 Q% S
if (SUCCEEDED(rc))
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2 F1 W8 ] P3 I+ zrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);7 H/ S+ W) E) \* N
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;4 _$ Y& Z4 l6 K- s1 P
CATIIniInteractiveSession *piSession=NULL;, w& I: D+ y) ]/ I( C+ R o9 d3 H
CATSession *pSession = NULL;
- H, f1 M% y! C9 w9 m" Grc = ::GetPtrSession(pSession);& E! e& i: l! H
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);2 P/ D: L" a. H" K6 F/ \/ i& p9 S
CATIEditor *piEditor=NULL;1 n7 x" T+ s6 p9 m- D$ V. M6 ]
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
2 w2 V2 A4 o$ O: y# p" |if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
' m; G5 W& z! E6 M" v; m{ cout <<"The document" <<PathName<< " is opened" << endl ; }" G) t& r; r$ j: k
else
" E0 n" R1 O8 ~# x4 k{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }" V7 p+ K6 o3 U* Q9 R1 C( }
CATIProduct *piInstanceProd=NULL;
& h/ D! p- E! k$ X/ `' y) Nrc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 $ ?5 u+ W6 u6 ^! k
if ( FAILED(rc) ) return FALSE;
+ p0 p( O% Z5 r7 S, ~' S1 k// rc = piSession->Close(piEditor); - k% c- K; P* y8 ?( v; Q
* opiSonProd=piInstanceProd;+ ? F/ M7 f8 q" G L& j" I
XXXFunction::UpdateProductRoot(); //更新根节点2 K5 K0 p8 g' W2 u L
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return TRUE;/ o$ M$ ^' m1 y- q
}
4 m2 ^. u8 m3 j* @" `$ F, y----->加载模型可视化: r- D$ m8 j7 b* o" q7 w% e: r
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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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$ t" d- {, h, t; F# p% n( ` //AddExternalComponent全局函数所需的三个参数,
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/ w& v. u) ]) {) Z //被**的product document的root product,CATIProduct类型- R' M7 f6 J; k0 O% i" d9 `6 N
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//将要**的part document,CATDocument类型
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//the product instance of the imported document; e# A+ ^+ s7 `4 ^$ N1 `2 f2 D Q- [
/ M6 L( s! g0 P C1 x //注意要**的document也要检索它的root product. j! x( E8 T$ p! B; f3 m6 p
. {* B. M, [. ]4 F8 w* V cout<<"添加组件执行"<<endl;# ~" p1 y6 f& i& `
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HRESULT rc = E_FAIL;5 a% Z0 y2 C m3 f V* C
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if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL;
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( h% z: |5 k% g# Z4 d! P/ h if ( NULL != iDocument)4 W B; |8 Y0 ]. [" b
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: \ G- d" q1 V: c' a# d // Get RootProduct of the document to import.
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' g$ g4 h/ ]9 x7 x& W2 K2 i CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,9 T6 x7 ?: c' E
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(void**) &piDocRootsOnDoc);$ L( R, ]& M/ g+ N7 Y0 ~
0 U W" z z% _2 Y/ J) T if ( FAILED(rc) ) return rc;
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CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();) e" r0 K. L, \- M0 A1 f b6 r
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CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)( Y& d- O- W8 d3 G; j" H# h( L
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if (pRootProducts->Size())' J6 ^! @1 W. A- v, O$ L
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spRootProduct = (*pRootProducts)[1];
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delete pRootProducts;
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pRootProducts = NULL;8 j. G+ c' q! s
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}
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) {! l: p6 C; \& ]; B! X piDocRootsOnDoc->Release();
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$ y7 H+ o u& r3 c- n: t6 n( U piDocRootsOnDoc=NULL;4 u2 M# `: [+ j' x
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CATIProduct_var spProduct = NULL_var;
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3 G0 T* C) }5 Q if (NULL_var != spRootProduct)3 C3 W1 o, I7 ? o6 S; j
. {1 `0 |. {5 G4 A' h) ^) A {
8 x2 E- `2 k- K6 P; f, r+ g2 X4 I) K0 Q6 k6 S/ }
spProduct = ipiFatherProd->AddProduct(spRootProduct);
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& U# p" V/ g8 H/ `- R( u cout<<"NULL_var != spRootProduct"<<endl;) g3 I% T/ C3 Q
& ?1 D, ?2 j1 {" d }
) `2 r% B7 M( ^0 k4 G* W
7 S* k- t$ }- x else
( S1 O' t# M: R
. `1 C! ~1 R+ b+ j {; q1 I) V% A! Q1 f" H G
4 _3 X& U# C8 R CATUnicodeString docName = iDocument-> StorageName();+ u9 z, y6 \6 H. B6 C. f1 h9 C0 g
7 B5 U k" Q( z/ F. K
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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}
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if (NULL_var != spProduct)
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{1 X- z% v; k. L
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);8 t G+ r# V6 f, X% H
# ~9 Z5 y0 N& O! n
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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}
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return rc;
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} 0 t, N- D4 ~- S
- b$ k0 ~% F, O: b----->刷新模型根节点2 g6 t4 h& {, Z0 |0 E% _
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void XXXFunction::UpdateProductRoot()
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//*******************************important**************************************
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();2 m+ R& L6 ]. x O, {# ^
' ]2 M0 f; W! O5 w/ r CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
& _ c# }5 m# E4 ?2 v4 w5 t
+ {1 G; h$ S/ W( n B0 K* Q% _ CATFrmEditor * pEditor = pWindow->GetEditor();
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* e! n. o! [2 r CATDocument * pDoc = pEditor->GetDocument();
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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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//首先,获取该当前活动文档的产品根节点
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CATIProduct *piRootProduct = NULL; \5 V+ j# t; o' I) P
: R2 ]9 b3 f/ g7 d8 h CATIDocRoots* piDocRootsOnDoc = NULL;
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3 @" w" b3 x8 O) R, e4 k& k HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);5 P0 e- _+ g9 m. \3 o+ p8 T
% l* B, t; ]6 i9 v9 [0 G5 T if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements1 } |, Z2 `: d( K7 h1 ^2 u
9 o6 U: L, h1 A) m. V CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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# G! n# Q# O1 Y: l: q piDocRootsOnDoc -> Release();8 v, l$ O+ I6 a7 O# l
* d" O6 K: @& w- t/ E9 B: F piDocRootsOnDoc = NULL;# Y- ?7 Q5 [. o0 g1 p
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CATBaseUnknown *pBaseRootProduct = NULL; 6 ]& r* s0 j" i. x6 I) _
/ e) ]' Q0 E7 t/ j) j! P2 S! @ if (pRootProducts && pRootProducts->Size())
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{
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pBaseRootProduct = (*pRootProducts)[1];
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6 w/ X @0 t7 o- M3 y delete pRootProducts;( m/ ^& m# s7 d4 y
9 U+ s' T& N( S" _) @. f, _ ] pRootProducts = NULL;
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/ R% h* }' Y5 U7 f4 I, n if (NULL == pBaseRootProduct) return;
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* Q) o- W' y8 k3 V/ G P* X rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;
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6 b) U8 A/ h- ^- G //对模型树进行刷新
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新% U( i' y: V$ _! u
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pPartRenew->Update();# S! p o8 ^* z9 h
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}
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' ] t& m6 d: r$ f* K' l0 H0 G: t else return;
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4 n- m; O0 k. _6 T2 `9 x- n //----------------------------------------------------------------
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- J q0 f8 e- e. E! ]( y% T! 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。, u+ m( f! j, y; d( u+ u b; T
# ?0 h: G5 f3 e9 ^( I" M* z CATIModelEvents_var spEvents = piRootProduct;* Q' Y, J2 P; P0 L0 s! Y2 K `6 E3 b# g
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CATModify ModifyEvent(piRootProduct);/ {+ i- @/ @% |) }( p
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spEvents -> Dispatch (ModifyEvent);+ f9 S8 o( Z9 Q5 I5 j$ L% I
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//Update the graph view
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1 b/ M2 ~) r2 v+ l CATIRedrawEvent_var spRedraw = piRootProduct;$ t% s3 J" ^! } k9 ?$ _( c) ^9 o, |
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spRedraw -> Redraw();
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piRootProduct -> Release();/ Z! F8 ?0 n0 _; ~! k; M- R
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piRootProduct = NULL;! K. I* l! T$ s4 W9 r3 U a
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