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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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4 y$ c5 o% f, [- f- BCAA中对文档操作的基本步骤如下:# O: m+ ?9 \4 }; I2 W
3 m" V' b" ^; B. Q创建会话 - creating the session
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新建文档 - creating a new document0 L- }1 O# w( k" I, V; b
3 w) b- j: ~& p$ i# L& {% y调用接口 - Query Interface
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; ]0 A9 W) ~% G( @获取根容器 - retrieving the root container
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9 u3 R( R, I% C保存文档 - saving the document) O0 k2 i" W3 @7 K
6 M5 S. {6 v7 `5 s8 G删除文档 - removing the document4 {3 b; j9 R; r* {* D, P4 O; _: l! G
) N7 x7 |3 G9 X& M% s删除会话 - deleting the session / D3 \8 X9 q- B
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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。! Y) h; F; S1 v* k
. U/ T* @4 p+ c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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下文将对各步骤进行补充说明。
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$ _; \6 j! l |% o; X) P1 文档创建(Create the new document)2 a( T/ u5 C: W1 f: i
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
( w$ D: P4 D, y* g- |5 MNew:新建一个空文档
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& U3 S: P" C( c, M- N) yNewFrom:新建自
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新建文档代码:* O, z7 D) u6 s s7 p% ]$ g2 n: i" K
) ?) }/ a' a. j1 w! \6 a. h& |CATDocument* pDoc = NULL;
. g) y7 [9 o& S2 |HRESULT rc = CATDocumentServices::New("Part",pDoc);# g8 m) \* k4 t' N+ v3 M$ [
if (NULL != pDoc)* H- N6 w# c; H% f1 U9 T8 T
{
& d5 K# Y/ |1 q& i% } cout << "New document created OK" << endl << flush;( ~1 `; w1 x& M
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else
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cout << "ERROR in creating New document" << endl << flush;
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}
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2 文档加载(Load the document)
! j. k% y2 G! d$ ^4 ?/ P3 T文档加载即打开现有文档,主要方法包括& g& V; A7 h( F' Q
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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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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3 U4 @9 u8 ?' `9 \" sOpen方法:
* Z- V; I P! X" ^CATDocument *pInstrumentDoc = NULL;
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* m& V J% x7 x) vCATIIniInteractiveSession *piSession=NULL;
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0 ^, F; Y& p0 K% `4 {1 cCATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);7 Y2 m O% k& m. w! q
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;' N; \1 N, K$ O+ t9 Y: l* l
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rc = piSession->Open(PathName,FALSE,&piEditor);, t4 {9 ~+ c4 J4 ~2 [( A
$ x! {( `0 n6 L: CCATFrmEditor * pFrmEditor = piEditor->GetEditor();7 Y( s& o' @4 M
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pInstrumentDoc = pFrmEditor->GetDocument(); % x3 {: E4 v8 K9 A1 q
, V3 P* X2 D/ w& t ......
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OpenDcument方法:: A7 b; Q, S% N4 {6 ]
; Z& S, y8 { y* u! }CATDocument *pDoc = NULL;! ~/ ?" f) c2 X' |
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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1 _# l: q1 ~" L* oif (SUCCEEDED(rc) && (NULL != pDoc))$ z6 N5 d1 L; L' d( ?
{
' q& S( h, r/ e8 N cout << "Document opened OK" << endl << flush;
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cout << "ERROR in opening an existing document" << endl << flush;# k9 n; B* n* y7 X* l
return 2;
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! ]% I; E4 V. t( r3 获取当前文档) |$ C/ u0 U$ E, l( A
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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CATFrmEditor * pEditor = GetEditor();- g, L) L$ ]$ b6 d( {- y
if (NULL != pEditor )3 b( v4 \, T( A2 |2 z) W; T9 I
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cout << "Editor got OK" << endl << flush;4 Q# J: H$ O$ h4 M/ P6 o
}
, g: f7 d, O* v9 yelse
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+ n1 z$ F% x) J. J, z cout << "ERROR in getting the current editor" << endl << flush;
6 v( r8 y2 F5 n4 ]' [7 l! v return 1;
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CATDocument *pDoc = pEditor->GetDocument();% L; y0 ` X- h1 i4 E c
if (NULL != pDoc)
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7 m J8 o% ~, y& u Y) C; c4 ^ cout << "Document opened OK" << endl << flush;
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{
& C' P6 b( z$ B E9 q3 P1 D* F0 I cout << "ERROR in opening an existing document" << endl << flush;
# x' T! ^0 c; ~" ?6 R return 2;$ ^ T4 \- s1 ?8 G+ ?& L* c
}
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$ M0 J! E8 [! k" X 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
( h" ?1 q: v" b) p, e( `4 保存文档(Save the Document)9 i7 ~& T: ^( f) B* ?. J9 r
4.1 另存:即保存为新模型4 r; j+ N4 E2 z% f: f
4 e2 L- `1 x/ p1 v9 R# ~3 \- Z) }' MCATUnicodeString savePath = "XXXX"; //文档保存路径/ t0 X2 M9 x$ M e5 \( \+ x
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
9 a+ e4 w4 Y9 j9 p* P) N; Aif (SUCCEEDED(rc))
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" s3 S' j# r: W1 O* ^ cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;
P) {9 Q1 Q5 }1 R return 5;
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# R3 Q$ H" I1 h1 U' h6 [# e) a4.2 保存:不更新保存路径2 ~, w% x5 F0 h+ Z K
rc = CATDocumentServices::Save (*pDoc);- ~& F0 S3 c7 e9 N- \0 d; g! k( A
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if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;
# M$ [2 y7 O0 f( C, ]* d9 v return 3;$ \4 _) V% t9 T( b% k; i# e* _
}
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5 删除(Remove the document)# c( p; A2 U& w" Y, D" ]. w0 n+ j
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rc = CATDocumentServices::Remove (*pDoc);
" n* f' \8 ]/ vif (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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else% T7 b: o( r7 X$ v* R+ h" A, o
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cout << "ERROR in removing document" << endl << flush;6 r' t6 l- j/ Y8 t' `; E
return 6;" ` s' X2 o/ v+ u% R* X/ f1 u
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方法封装
: w* Y% f. t/ t S8 r3 s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. t3 [% B3 b- F; J7 @7 K3 b
输入:4 f3 ]& w) g( c5 ?1 {
CATUnicodeString PathName //文档(模型)的路径" D k. c: H6 P& \7 O
输出:
4 ^3 B/ C9 n( DCATIProduct ** opiSonProd //文档(模型)的指针$ M; b1 d. o- Z
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辅助功能函数:
# {/ {+ I" k+ Y5 O* R M0 p获取当前模型树根节点* ^- {5 c& j1 |6 L8 q8 ]" y& \! I
模型加载后可视化
( P3 ~" U+ u% G* Y. Y刷新根节点
& `# C. w$ t: }, h----->打开文件
+ `2 M2 A' X. ]. s& ]% u- V1 rCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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HRESULT rc=E_FAIL;
. b; k6 m+ J- m" ZCATBaseUnknown * pRootProduct = NULL;
& F7 {+ s8 V0 `" }7 E* Y: y" @CATIProduct *piRootProduct = NULL;/ Z; }2 u' S! W4 k
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
% N( k3 k' o/ o4 ?2 P1 E9 u0 Pif (SUCCEEDED(rc))4 g# L- {2 ~! O' W @6 m
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);( n6 a6 o3 F" r" h) @
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;
4 s2 u& k+ H1 t- W% O9 c* B& lCATIIniInteractiveSession *piSession=NULL;
# v/ W$ H. ^8 D! m4 g6 ~CATSession *pSession = NULL;
3 I3 N2 d# k8 D( V7 p. urc = ::GetPtrSession(pSession);
1 b7 j4 f' j }9 r6 ~8 @rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);. @' y4 h, Y9 l: a& n* w
CATIEditor *piEditor=NULL;
% C; @ x( y4 m2 ], O9 v1 wrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;6 s3 V ` N1 I5 _3 p- N+ V
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
$ T6 F; }& o/ N+ Z# G3 s5 }{ cout <<"The document" <<PathName<< " is opened" << endl ; }
1 m0 Z0 f5 R! zelse
( a; E0 K) U( E3 ?{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
4 s) Q2 V2 U( }2 m x3 z% R$ c4 BCATIProduct *piInstanceProd=NULL; m* L! `2 T+ P* Q# \1 r- l% u
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 2 F$ |3 ?8 k; ^5 {7 ~
if ( FAILED(rc) ) return FALSE;
2 u. c9 | A$ ]0 X; P// rc = piSession->Close(piEditor);
+ v1 w) x2 i, n/ T4 s# @* opiSonProd=piInstanceProd;! h# c! b7 w0 u! L4 j
XXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;" v! w- L$ z- {) a+ N
}
# c- E, g q/ a----->加载模型可视化* J* z/ H# Q' i$ j$ i7 i( H8 w
_( u6 z% H' x6 {$ k' _6 VHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)8 k3 [* J: S' [/ F% [# A
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2 X ~1 T7 a0 I( Z4 `6 P- ^ //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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; e; _& {* a; X! Z! d2 [& B //AddExternalComponent全局函数所需的三个参数,
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//被**的product document的root product,CATIProduct类型+ I- G, ^! p" C
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//将要**的part document,CATDocument类型
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//the product instance of the imported document
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. J1 g2 o- W2 Z Q, c- }# f8 K2 }, C //注意要**的document也要检索它的root product
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cout<<"添加组件执行"<<endl;4 ?) {! g) z3 l3 [6 d
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HRESULT rc = E_FAIL;
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( J/ _4 l' z2 I" q B) w. s if (! ipiFatherProd) return E_FAIL; 7 M' f8 D/ B; n/ Z! r
' B$ i+ ~8 o; e) M/ n% g0 G if (! opiSonProd) return E_FAIL; 5 v# V) V& W$ B/ \
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if ( NULL != iDocument)
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1 D$ j) j h8 H$ D // Get RootProduct of the document to import.' J. I+ }; s+ R2 @
5 V- e0 P) V* e9 f& N$ B CATIDocRoots *piDocRootsOnDoc = NULL;
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, R3 ~7 \' s8 v rc = iDocument->QueryInterface(IID_CATIDocRoots,& ?) V1 Q b' L
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(void**) &piDocRootsOnDoc);' a' g& z7 F9 e5 D
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if ( FAILED(rc) ) return rc;
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" d& F. F R1 t CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();9 s4 m1 j+ b4 j
! U( d. ? E! R1 M- _ CATIProduct_var spRootProduct = NULL_var;. l% o9 Y; h- G: t/ k$ z1 H2 Q
' c& ~; F: W4 I) v( y2 t6 ]( ~, s$ R if (NULL != pRootProducts)
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if (pRootProducts->Size())
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spRootProduct = (*pRootProducts)[1];6 E: `$ E6 |, t/ V/ B! A2 E i1 N
- I" V# M7 S6 X3 t4 S delete pRootProducts;( f0 @+ p' o; R9 Z
) a' ^% I# s* j% _; Q. X8 S: M. |( d pRootProducts = NULL;
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}
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piDocRootsOnDoc->Release();
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2 s' H/ P# P! Y7 m5 V) s piDocRootsOnDoc=NULL;
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2 Q2 p8 k9 j* F( a CATIProduct_var spProduct = NULL_var;
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if (NULL_var != spRootProduct)
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spProduct = ipiFatherProd->AddProduct(spRootProduct);
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8 y1 N8 n9 S* ^3 e cout<<"NULL_var != spRootProduct"<<endl;2 |5 @% E* E p9 v- ]/ E' o( D' H
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}
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{
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. H6 z" Q& Z, w( F* @ CATUnicodeString docName = iDocument-> StorageName();5 [% P" |3 X% c$ Y- H
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ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);# Q8 M; G4 P! z6 l
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if (NULL_var != spProduct)# j( A7 W* }5 U. z+ k
% ]4 B, o: G5 o1 f- j
{$ _2 a: \9 A( k; R+ ]! n- i
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;" M2 N" G' ]. \% M
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0 \! F, \/ b9 _5 q return rc; $ R9 J* F# d7 ^% y
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----->刷新模型根节点1 ~$ {5 e! _2 f" T8 ^! O3 X5 m+ |
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void XXXFunction::UpdateProductRoot()0 h* _5 c. D0 [0 L% @% d- Q
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//*******************************important**************************************( Q; y$ [3 f2 g% T# {9 A' U$ O7 X
% y1 K& O4 S$ c% [ CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();5 A4 _$ r4 v/ Z {
~* o3 R5 U: `! B CATFrmEditor * pEditor = pWindow->GetEditor();/ N# Y+ U% }1 Q0 p8 D+ k
. e+ K* n# Z' B; ~' x& c$ [8 }1 ^* i CATDocument * pDoc = pEditor->GetDocument();
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q8 H( S9 h! K //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3 V' u9 N1 {! o7 P9 T: b8 Z
$ Y a& W% K% t2 ]* F. z+ z1 s //首先,获取该当前活动文档的产品根节点 8 X; b. N$ n4 M8 M* J& Z7 o
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CATIProduct *piRootProduct = NULL; * o! V! Q0 r9 n7 v/ x
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CATIDocRoots* piDocRootsOnDoc = NULL;
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/ k+ u: r- @& v, ^1 G) L6 l k HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))4 }1 |4 e% E- W$ I
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{
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// Retrieve the root product which is the first element of root elements7 r% @1 k( Q; e: W, E0 z& u+ u" V
3 W( v7 V; E: r- \: V L& n CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();5 L! r+ o9 {$ s$ j: _! w8 b
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piDocRootsOnDoc -> Release(); b4 B8 E4 ?( b5 t" o% v( T
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piDocRootsOnDoc = NULL;. j' X& z6 P, z3 v4 r" v4 P
: K: i" X+ n, C0 A9 O CATBaseUnknown *pBaseRootProduct = NULL; # Q' \, L# W( X2 U$ V l5 n( q
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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! @4 K+ m2 v- a5 X delete pRootProducts;+ u% U0 s- l1 U; `9 _
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pRootProducts = NULL;' o# @2 _4 ~: m" v$ w& p+ J
* F2 ~, m$ g C8 t) ~ if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);" j1 n1 ]+ i& U R
2 G# O! B- k$ r9 ` if (FAILED(rc)) return;% [0 E: X: ]9 C
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//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
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0 O0 y: X; \" @8 f9 r3 z* c+ x pPartRenew->Update();
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}
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6 P; p) g5 Y5 c! ?2 v else return; & m$ l& A7 i8 J4 h: U3 D! V, w
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//----------------------------------------------------------------. q. y* h6 C! J* q
; r9 E5 ~" |0 ~1 V) w2 P. w //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。. V# D% t6 |) |# V6 T8 {8 z
7 g0 M8 { |# y CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct);
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7 `2 n; K: k; i& T: f1 U" j spEvents -> Dispatch (ModifyEvent);+ q0 [/ q9 z5 ~$ U6 }
7 b- e# j: J' Q. r( { //Update the graph view
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CATIRedrawEvent_var spRedraw = piRootProduct;3 w/ _; M. l8 j$ R
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spRedraw -> Redraw(); ! b, C; J- @) b: @ [! g8 c
' C6 ]" D a4 g piRootProduct -> Release();
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* O2 D# Q* g7 e. P. \/ ~8 s; }7 M piRootProduct = NULL;% N! u: W3 M8 O: F! B5 g
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