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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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CAA中对文档操作的基本步骤如下:9 Z# N' I( Y% X0 ]3 P$ |
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创建会话 - creating the session
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/ O) a- r+ W- ^/ ?; g1 R7 m新建文档 - creating a new document: ~2 ^1 v1 B9 P a$ {1 [8 \$ c
* G; V1 d# L w0 v" F( {1 c调用接口 - Query Interface
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获取根容器 - retrieving the root container
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保存文档 - saving the document
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删除文档 - removing the document
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删除会话 - deleting the session
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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。+ H8 z- A4 N; y& m
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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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& D D( ], L9 A0 F i- W下文将对各步骤进行补充说明。' X0 t2 V* V0 [ o- Y# |
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1 文档创建(Create the new document)7 f6 K6 _3 N6 J3 f
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
! c8 a! O( s) @8 V2 R) E& V) @7 aNew:新建一个空文档
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NewFrom:新建自
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, C% v9 T2 Q2 _9 Y+ V! k1 P: j新建文档代码:
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CATDocument* pDoc = NULL;
1 B3 K: ^0 F3 Z, a) cHRESULT rc = CATDocumentServices::New("Part",pDoc);
4 S! m! b. d" B( s/ {. t' H: Dif (NULL != pDoc)
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; w; }! [/ L' ~( C cout << "New document created OK" << endl << flush;
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else" T4 I L% s: H ], P
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cout << "ERROR in creating New document" << endl << flush;
* ]# r1 T& R1 a7 e8 i return 2;
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2 文档加载(Load the document)9 U9 h/ l$ g; U& n, F7 i
文档加载即打开现有文档,主要方法包括
: V3 X& w$ R" J: }1 |8 ]9 z6 ^) m0 lCATIIniInteractiveSession 中Open方法:打开文档并可视化显示, Y) h- ?; Y3 h4 t& E
; ~, [- a" j; T0 u5 ]/ oCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行" W: d3 a5 N* r1 U: R
7 W$ E/ g! T9 w* r* x: Y" sOpen方法:
* |7 h1 {6 c$ ^CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;6 W' l- ~ j9 U5 P$ }# q# q
: c# i* ^- D. j3 }: ZCATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);: N, Y1 l2 S/ `' U2 W& _9 ~, u
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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) L, f8 q6 u! ?CATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);4 y" h5 T: X) d7 {' E9 [* f
/ v2 H' n) k' v5 y1 m2 }5 aCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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2 x( D; u& _ H' Y& R! w5 @, C: LpInstrumentDoc = pFrmEditor->GetDocument();
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1 G2 j _! i7 w+ i ......
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: J9 h9 g) j/ c+ KOpenDcument方法:
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CATDocument *pDoc = NULL;
9 M( q, T; W% v7 R( N/ DCATUnicodeString storageName = "XXXX"; //文档保存路径名& X e) U- ^% }
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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2 R, s; k: |1 A3 mif (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;- s; h, D9 c" Q1 m7 {; x, E
}
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{
' B) u0 g7 g! o; w cout << "ERROR in opening an existing document" << endl << flush;
0 Z& F5 w4 p* c+ [ return 2;
5 B7 {3 p' q* v& o& L}
8 F( P T% h+ d+ u$ H$ l" u3 获取当前文档+ K, \8 o% l7 k. g
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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% C# L4 s% O! r, b2 g! Z* GCATFrmEditor * pEditor = GetEditor();
: e4 j, O& d" d2 b' q4 Eif (NULL != pEditor )$ A' D" O7 ?5 n# G& O& U' C" h7 P
{
6 U6 H0 x% x4 E' Q6 o9 u cout << "Editor got OK" << endl << flush;) C: d; l \. g9 {0 q( I1 ?9 c( ?- k! x
}
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& h; d1 c! ~0 u7 G b cout << "ERROR in getting the current editor" << endl << flush;- ~) a1 |# P/ m: j# u9 q
return 1;8 ^0 K& ~0 U- F
}
# x+ P. v3 F5 R9 w7 a. j( v( d0 RCATDocument *pDoc = pEditor->GetDocument();
3 n$ W. |: M; ~% `! _if (NULL != pDoc)9 R# w/ s4 d3 i* C B' h
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cout << "Document opened OK" << endl << flush;8 ^/ r) b0 y6 B& b6 n' `0 _
}
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2 g6 z% ~8 H# \7 }; N9 v) }4 D* _ cout << "ERROR in opening an existing document" << endl << flush;& l4 L6 ]. K, V! i5 x' ?
return 2;
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6 w+ A3 [; |! f) p& h" T2 M$ u 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
. O r) S* ~: T; M; X: D, m4 保存文档(Save the Document)
' A7 n% N* _: w4.1 另存:即保存为新模型
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8 e' u: ]$ r5 O; }* z, HCATUnicodeString savePath = "XXXX"; //文档保存路径
0 Z5 ~- w: _3 N! m) erc = CATDocumentServices::SaveAs (*pDoc, savePath );" i( K3 N+ W1 O
if (SUCCEEDED(rc)); D6 f; z) k- k4 M4 l$ W
{
" M$ Z" L; _+ Q0 i! p# _ cout << "Document saved OK" << endl << flush;# b! @" R c* Z" w/ x$ L
}
7 U" A5 |% O: R# W3 V* xelse
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; l0 t+ `/ n4 e9 b+ S& y [2 H cout << "ERROR in saving document" << endl << flush;
) l6 y9 k9 I/ w9 y) m: P, F$ Q: h return 5;
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$ l$ i; \$ o6 o4 V0 K* o4.2 保存:不更新保存路径
4 k# ^. t/ Q# J8 u$ xrc = CATDocumentServices::Save (*pDoc);
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" n% L$ A2 \0 w0 R! t: e$ a; t$ B) xif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;+ E3 h. K0 ~- B& A$ w, E
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else
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cout << "ERROR in saving document" << endl << flush;
8 b# l' y s# z return 3;! i4 O5 k7 ^" B: d% x! |
}
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9 z/ {/ q( K8 _; Z# D5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
* Q5 }5 K4 @; v+ w& f8 B' H0 ]if (SUCCEEDED(rc))
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, x$ M6 c% P! d cout << "Document removed OK" << endl << flush;# e0 M) K+ h0 w1 |+ }6 c
}
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{
. j6 [* `! Z+ e cout << "ERROR in removing document" << endl << flush;
; h4 y9 b6 ~! D% }/ E; n return 6;
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4 C' `% j3 L, l" S. P( ]: I方法封装4 x4 Z9 J# G. V0 b' D
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) C% W) T* K6 R0 N/ _
输入:
/ G1 L" z- d: V7 h; WCATUnicodeString PathName //文档(模型)的路径
! p& z& r, ^& ^7 ]: z5 B输出:
o: Y: q8 V( t3 h- z3 uCATIProduct ** opiSonProd //文档(模型)的指针' G" d. c0 ~& M. O* j i
" r) Q* N& r2 B4 ?5 l( H, ~$ W3 z辅助功能函数:, C3 t- U/ l+ O% ~3 [5 j
获取当前模型树根节点 E" ?4 c: q3 p9 w3 y
模型加载后可视化
! q0 w) E0 l( M6 W刷新根节点
/ \; @, z% P1 g- V2 z) ` q----->打开文件
% D6 N: @; v$ t4 |CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)' y" S. x6 ~8 V4 b$ g8 {7 F
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HRESULT rc=E_FAIL;
( d& _' V1 U+ Q! t# g0 QCATBaseUnknown * pRootProduct = NULL;! e c# ~) ^7 A
CATIProduct *piRootProduct = NULL;8 x5 r$ E) b0 C& A6 n- r
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
- p, s3 E; p2 e. J8 {2 yif (SUCCEEDED(rc))
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5 g1 [, I& u$ Zrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);+ D- e) o9 y2 l& R( d0 e
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;; D% ?" I& z+ F
CATIIniInteractiveSession *piSession=NULL;: }+ P: n% n& N4 u( F! z
CATSession *pSession = NULL;2 V& b/ ]$ r8 R; j! v( g5 Y
rc = ::GetPtrSession(pSession);. O0 O# O& ~1 ~ _) i2 C, {
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
0 U3 L! X) l; _, [' GCATIEditor *piEditor=NULL;
0 g" O- k1 b/ c# o1 rrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
4 Q5 z0 e1 J! j' uif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )0 v. j, L: Y% l& P' E
{ 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); }
3 R0 |- l; R# ACATIProduct *piInstanceProd=NULL;
9 d: `) ~; H9 Arc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
) T7 w4 F# U. h I4 W7 dif ( FAILED(rc) ) return FALSE;
$ h7 X$ U& E# k2 ~; }4 d C. [// rc = piSession->Close(piEditor); , {( c; [/ B1 O( ]' H7 D& ^% c& L
* opiSonProd=piInstanceProd;
: G: L4 p y9 S8 R8 U* j6 r0 d4 jXXXFunction::UpdateProductRoot(); //更新根节点
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}
" e( H. ]+ ^8 r4 K0 C- Oreturn TRUE;5 w$ d# [/ o' C/ |) f2 c
}2 ]4 c3 c! e# o' G4 E, M3 [* q" o
----->加载模型可视化8 B: t* I& v- M! N9 {3 a0 v
1 }9 w+ h9 g8 DHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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& r, c. R3 m3 U( g //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); $ O- Q" r- n" D1 h) Y" B
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//AddExternalComponent全局函数所需的三个参数,
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2 I6 o6 I3 `/ {/ @$ F' f. P //被**的product document的root product,CATIProduct类型* a& r5 q) M+ c; x* b
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//将要**的part document,CATDocument类型: g/ T: N' Q6 x" l; R
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//the product instance of the imported document
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//注意要**的document也要检索它的root product
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- I+ f: O% B% _ X# H' e- Z. F cout<<"添加组件执行"<<endl;
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5 t4 K( a" n) o* \2 L HRESULT rc = E_FAIL;# q H- N ` R! L5 w- z; ?
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if (! ipiFatherProd) return E_FAIL; 1 C% R a8 L9 r: C$ ?" v4 _: F
% Z# Y6 ]* k/ G& X9 ~$ u: p, t if (! opiSonProd) return E_FAIL; 1 W- I! I9 \0 U/ Z& l( i m
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if ( NULL != iDocument)+ G; y! l$ V3 o X& Q: Q3 R
c. W% Z6 y0 R! S, S6 [ {
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. w7 I, c7 c( D2 E4 F // Get RootProduct of the document to import." T% q! R( y" u+ O& T q2 `: ?
# l. }! Y, t4 _ ]1 i& k4 S CATIDocRoots *piDocRootsOnDoc = NULL;9 D3 l& w+ L( z
* ~! b: {0 b7 o L* _1 T rc = iDocument->QueryInterface(IID_CATIDocRoots,
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. x" A9 w ], L0 t y4 d (void**) &piDocRootsOnDoc);. C0 J. t3 R, Y$ E( @) p: l/ n
e, B1 z. }6 k) u6 e
if ( FAILED(rc) ) return rc;0 P4 K2 u5 Z! h4 Z9 E
4 D3 [1 _: F+ t* D8 J CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();% M- ]2 |" D6 r5 X) p9 @6 v j
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CATIProduct_var spRootProduct = NULL_var;6 H @- l& r: x2 Y
% i6 A/ B0 _# x: o
if (NULL != pRootProducts)' \7 |9 ~& L9 s3 D& q
0 [4 [3 p* q- t, v, a7 G. ] {
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7 Y. }1 V) U2 [8 p' q3 T9 B if (pRootProducts->Size())
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spRootProduct = (*pRootProducts)[1];3 L$ `3 |/ U y7 D$ M
' v3 L: P; r# B) Z9 i( i% X delete pRootProducts;; i9 h/ g3 Y9 N" L+ @' v4 l5 p1 q! L
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pRootProducts = NULL;
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: i+ k5 a9 k. {+ l# {, L piDocRootsOnDoc->Release();
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piDocRootsOnDoc=NULL;
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CATIProduct_var spProduct = NULL_var;
+ P9 j0 E( o+ L& M
9 k$ D. A6 T1 u/ Z+ {2 @6 s1 ^ if (NULL_var != spRootProduct)& q9 i- W2 E. U- X0 F
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( D% a1 y& X+ m' i spProduct = ipiFatherProd->AddProduct(spRootProduct);7 V# _! _3 l. u( b1 a; T
9 v% ^/ W1 T) |: ]. A U9 a6 h cout<<"NULL_var != spRootProduct"<<endl;
! i& m0 E( ~0 o- ^- F* l' A5 B) z* `% \* S7 J: j' w/ h% N* K
}
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0 u1 {+ V6 e2 v. A% R( |0 W else
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' [! D# z9 M7 p2 n! u: t. u {
6 q' H3 g3 p5 ]% { ~) k) L; `: h
CATUnicodeString docName = iDocument-> StorageName();
3 i7 [& m/ D+ M4 {% y5 [3 C& s6 ~3 e; g5 K# d V( Z; |5 m" L! H
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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% ~ Y# }# b* A! y. p% ]" T- o }
% m5 L r& y' J% }& o& _. S: S& M, J' k/ I
if (NULL_var != spProduct)
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( g6 l6 t3 U" W* x
" ]# Y0 h5 I. c2 \ rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
3 j9 Y0 f1 r2 G n. M6 c. j! [! X# |, M5 }
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;: h6 r9 w s. ?+ A
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return rc; 2 Y! T1 F& S# s ^3 t
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}
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2 u4 J1 {' o" ]6 t6 x @- @----->刷新模型根节点4 T( {# m" O, o2 N& Q
* j1 P" R4 t* L% J% m7 F. z
void XXXFunction::UpdateProductRoot()
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6 O8 _: M+ i5 }; t' f. L5 G{% {$ g3 O8 C% [* ` Z7 v* T
8 k N( P' G8 j' n8 c: W5 W //*******************************important**************************************
+ [( g: c2 A- ^# c9 m0 h$ u5 g: s/ |: p
CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();. U2 H( S2 e, i/ T/ \
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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! h$ q5 i- G: N% h$ |% g; I& x CATFrmEditor * pEditor = pWindow->GetEditor();
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+ J5 F/ v1 z' ?$ a CATDocument * pDoc = pEditor->GetDocument(); 5 }6 Y: \2 D, H* }( b* Y& s
( d1 n+ X1 K8 {# U7 Y" w4 D //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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! K% b2 D! d' A CATIProduct *piRootProduct = NULL;
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CATIDocRoots* piDocRootsOnDoc = NULL;- g, [) d- @9 I) ]1 X# _+ |
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))( P1 M* r- l# S- L O
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; D0 @$ P' k$ O // Retrieve the root product which is the first element of root elements8 Z$ U+ s4 a5 d
% k' P; N& l1 c6 ~/ }, D CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL; & O1 B& J6 d. J6 ?! V% e: H
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if (pRootProducts && pRootProducts->Size())( g6 K! c) R$ M
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pBaseRootProduct = (*pRootProducts)[1];
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% g+ [4 G- K8 q0 X delete pRootProducts;' `) S9 x' h0 N; T) A' j* Z
c8 a% Z7 A& m, e pRootProducts = NULL;
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' b/ k/ \9 S4 U% e: P( A' J if (NULL == pBaseRootProduct) return;
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1 n r: a4 H. O/ u rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;
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# a" j' ]: X( l' z //对模型树进行刷新* N* W+ t5 @; v! r: @
4 t! ?- k4 U) \! f CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新1 W+ r5 M) S2 w) {2 h
4 g8 j- g4 W# Z P pPartRenew->Update();
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! D$ j" f1 |% R% {- h* p else return; 0 }3 d9 v( U1 Y' Y/ m
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//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。, L! [: {3 D9 M {& x! M
8 I7 P2 k( s' r, j3 n CATIModelEvents_var spEvents = piRootProduct;/ }9 q1 A" T8 q! {2 a
: L. i! c0 K) R4 j! ^1 I/ b) ]; M CATModify ModifyEvent(piRootProduct);9 c; I" T! b# [3 ^1 U9 c- @1 P
# L3 G% [7 G& Y: J+ m spEvents -> Dispatch (ModifyEvent);
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3 q X3 s8 @ `, E B# l //Update the graph view1 P6 W @+ M* |$ c
3 K* a' o3 B8 J) Y! i0 e+ I- V, D. W CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); 0 c1 a% f3 `/ a/ j) ^3 d5 G
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piRootProduct -> Release();
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& n5 N0 O) A0 v w piRootProduct = NULL;4 r- W8 f' Y. H& K3 H
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