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CAA开发之文档操作
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* [) A- W/ t1 ]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# s* R) o0 o' ~5 z1 M% l9 o
4 S- b* X* U F' }CAA中对文档操作的基本步骤如下:; O8 q0 t ~; d F4 l, P9 Q
* f7 i. Q: N1 h创建会话 - creating the session7 Z3 b* r; N, h/ P
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新建文档 - creating a new document# t/ M: N$ X1 ?5 x# ^
. c; I+ l- X* W/ C$ s调用接口 - Query Interface; p" }. A- y9 {+ j3 C: ~
" N+ v3 _5 B M, l7 }获取根容器 - retrieving the root container
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保存文档 - saving the document5 R- W7 g1 ~' F5 `; ]7 G
+ A5 X: Z3 @/ m. E1 @, Q" c9 z2 d
删除文档 - removing the document
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+ Z2 r3 e b& N3 O) l& d8 _: J删除会话 - deleting the session
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2 {% j$ B0 O* t1 [上述步骤详细说明参考百库全书技术文章 Creating a New Document。
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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。* L$ q! A. S9 ^# C
+ z- ~: h7 b8 O+ \
下文将对各步骤进行补充说明。
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1 文档创建(Create the new document)! j, i$ [* E) k: D1 a
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
$ Y& Q3 {! R, DNew:新建一个空文档. @3 A' X# ]% Z9 k2 R$ D
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NewFrom:新建自
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9 V3 `" }- y) _/ \+ T新建文档代码:3 C& k' e& d r9 R. ]
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CATDocument* pDoc = NULL;
. X) M& ]% V# E+ y" B7 _! C, eHRESULT rc = CATDocumentServices::New("Part",pDoc);
5 {! p6 _* e) s# cif (NULL != pDoc)- {% T3 ^& f, G4 Y' ]+ Q8 F* a
{
) w2 J. A9 Y w5 \ cout << "New document created OK" << endl << flush;
# t+ a2 w$ X+ T}
8 k- m$ d, {8 K8 ~3 s# Helse* G/ A. P: S4 \+ t" F' x
{
1 A: r; b; O, Z. {# R cout << "ERROR in creating New document" << endl << flush;
% l. M1 M+ j7 W0 Q4 L) ~! ` return 2;
8 h3 L4 \( C1 K, [}
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2 文档加载(Load the document)
) }* |8 n- x8 {8 [( K: o文档加载即打开现有文档,主要方法包括
2 H7 A3 H- w. e4 O* HCATIIniInteractiveSession 中Open方法:打开文档并可视化显示( q' s0 j+ c9 @% f1 Y% H7 Q2 R
, T& j5 @" \. LCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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- v9 v6 R2 O( }0 \: |Open方法:( K! T, J0 M( ]7 [$ ?- y
CATDocument *pInstrumentDoc = NULL;& n7 z2 V; K/ R4 f8 m$ {0 E5 ]
2 {2 P( d* q7 P
CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;- A' R8 k U- u, c# C0 B
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rc = ::GetPtrSession(pSession);. Z; w8 t; B, {$ t
+ O! v1 R& V1 _& M, p& Y1 H5 {
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;* r# p0 o0 _! d. }& r
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rc = piSession->Open(PathName,FALSE,&piEditor);
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3 B. N3 s/ A* J: lCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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. K$ B6 y; [$ t/ n0 o$ ~3 DpInstrumentDoc = pFrmEditor->GetDocument(); # E; {! L, |5 i7 e1 Q
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......% S9 w3 [# ?3 H; p8 R$ q& u, D
) {8 f: [ x4 K0 j% a# YOpenDcument方法:
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CATDocument *pDoc = NULL;9 X e! E# q; n
CATUnicodeString storageName = "XXXX"; //文档保存路径名7 d$ Y7 f2 O* P0 y
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;
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{
+ g" s& p+ r, X3 } cout << "ERROR in opening an existing document" << endl << flush;$ b, U/ W$ [1 R# s
return 2;' J8 @" K+ t3 A$ G$ x ?5 H
}
5 @5 w) a7 n, g( C \8 t3 获取当前文档' l, r/ d/ V! i
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();0 \/ k3 t1 E9 G# I1 R. B
if (NULL != pEditor )* {' j c9 r8 V) r3 X% t* p P
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cout << "Editor got OK" << endl << flush;
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6 V- r: {$ g/ \4 L8 T+ F! uelse
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cout << "ERROR in getting the current editor" << endl << flush;: }# z8 N6 k+ [ i
return 1;( g+ I+ c7 I7 z! X. J5 f- @
}
" N/ t& \* h& h: a2 x' v' e7 nCATDocument *pDoc = pEditor->GetDocument();
/ G9 I% h& g1 k: W4 b- v1 Lif (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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else6 h1 r' h& q9 R! n
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cout << "ERROR in opening an existing document" << endl << flush;
1 ]( Q* {, [# }( I1 z: 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。/ ~& a! a( @# V" O N# K( k
4 保存文档(Save the Document)
0 t, \, z4 q9 j- U3 U5 C4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径) G3 d0 @2 M: F3 P+ g" @* P( d
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
7 \1 r: |' \) m/ t' kif (SUCCEEDED(rc))+ q$ w. {9 y- |" X, E
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cout << "Document saved OK" << endl << flush;& Q3 [# {& S1 ^- q u+ L
}
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{
4 Z2 ^* Z2 q' W3 w; q& A cout << "ERROR in saving document" << endl << flush;
9 u1 G* F# d: q return 5;" T6 k& @$ E$ S; D# Y& f. X
}
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4.2 保存:不更新保存路径8 \4 C! e7 k5 G! Q
rc = CATDocumentServices::Save (*pDoc);
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5 m2 N4 L' [! X' t- `if (SUCCEEDED(rc))% C5 W8 p1 [( N% ?+ ~4 E, `9 t
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cout << "Document saved OK" << endl << flush; ^3 U7 I% `; s3 O$ a; W( x
}
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{
; n7 Z9 w6 t# O7 J cout << "ERROR in saving document" << endl << flush;- r& S/ Y4 m: G d6 D
return 3;4 v k1 e: [* N2 @
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
3 r. s8 W! v }if (SUCCEEDED(rc))# l- F0 p x8 S) A0 \5 Y
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cout << "Document removed OK" << endl << flush;0 Z6 n% c8 G( i
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else
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cout << "ERROR in removing document" << endl << flush;
8 f: C' I: E6 i4 l% H% f return 6;
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% M+ n+ _( W4 F方法封装
8 d. ]1 r' y4 l8 m* v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$ e1 p; ]6 G: d- z
输入:$ k1 h( h* [8 g1 e: | w
CATUnicodeString PathName //文档(模型)的路径
, Q ^( \& V) I输出:
# q }; n; y' F2 v* Y& NCATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:0 r- Q* [: u B% o7 {) y
获取当前模型树根节点8 V0 l K ^: _4 d% l' j
模型加载后可视化! T7 M$ m$ n7 }* f) P6 i
刷新根节点
R$ O: \! S* |2 Y; X7 ^----->打开文件
3 `' o/ j. e& ECATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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HRESULT rc=E_FAIL;
4 A! |# [" d8 Q) X/ t% }8 y$ Y* zCATBaseUnknown * pRootProduct = NULL;
6 M! a: g6 ^ t0 K. i& pCATIProduct *piRootProduct = NULL;+ N/ e5 A$ r3 s8 h; p2 ^* D
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点9 r, b5 \. @- @ g9 k! w3 R
if (SUCCEEDED(rc)) e+ h9 L3 k0 ~
{+ }! s5 V" u5 t- z! i1 T
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
9 t; i: a* a! p$ e% x. Vif (SUCCEEDED(rc)&&NULL!= piRootProduct)
/ ]$ ]6 c4 b# v& z# S{
7 r8 \+ b F% S# a$ Q/ H; u8 A: CCATDocument *pInstrumentDoc = NULL;% \# E5 X* h6 }7 v! n7 q
CATIIniInteractiveSession *piSession=NULL;
8 r' @" G% G/ gCATSession *pSession = NULL;, e. L. j# v K& s+ i; [+ s. S
rc = ::GetPtrSession(pSession);
+ d4 _! I3 P/ E4 V$ [4 Urc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
Q1 {+ \7 S' L( l' l- DCATIEditor *piEditor=NULL;
2 I7 \7 [# B- w7 s( Jrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;+ g' l% a0 `! y( `; w7 s) {4 N
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )5 |* Y) M& ^* x! R8 J9 \1 v) ]
{ cout <<"The document" <<PathName<< " is opened" << endl ; }8 c$ G1 u+ V! j8 O. }1 d, q4 n
else/ m9 [* @6 m2 R! [7 ^* ^9 Q9 J
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); } }' B1 u& }6 k0 k [1 {
CATIProduct *piInstanceProd=NULL;
1 q$ y: e# \+ U+ j4 G1 J2 {1 drc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 8 Y; d( z/ d2 h; | F
if ( FAILED(rc) ) return FALSE;8 y3 j& G. R; q7 q- L3 k
// rc = piSession->Close(piEditor); & o0 a% _6 e4 X1 U. ^* _& x
* opiSonProd=piInstanceProd;. d, \- ?3 k$ n; m5 R
XXXFunction::UpdateProductRoot(); //更新根节点
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7 ^' {* \: w0 I. L6 r' l}
* o N0 ~0 u9 ?1 J6 Zreturn TRUE;4 j k7 v& k, ?4 h* H" \
}
% ~3 ?" y- V) E----->加载模型可视化
: U" x8 G6 B1 |6 k0 R$ U8 v) A7 a! ]
HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)0 r; a$ r! `6 J
7 P9 _: F8 r j- J5 q; x
{
/ l( D$ H3 q8 ^7 W8 e s$ H" Z, U& G7 x7 \2 l5 x
//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); 1 P6 G- c/ r. I C7 Z' ?! ^* U
# C3 q# i [4 Y0 W! M
//AddExternalComponent全局函数所需的三个参数,
8 @) H9 k/ D0 P6 H) J! N; k1 x- s. v; Y- d1 N* m0 C9 `+ n ]+ |
//被**的product document的root product,CATIProduct类型; R$ s* W- G% N
' @: ?* v: z5 I/ H
//将要**的part document,CATDocument类型' H. N9 u$ o7 j+ ^ b1 s
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//the product instance of the imported document' O4 w' \# [- [' O1 q) S
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//注意要**的document也要检索它的root product) c, T2 Q3 C# b
6 n$ k. @/ s: z+ J1 n7 }. v cout<<"添加组件执行"<<endl; C% y, N# i3 K7 H" G8 p! F
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HRESULT rc = E_FAIL;0 | _1 q/ w: D0 s g; H
( _ h% ~- d4 g6 w" c2 m
if (! ipiFatherProd) return E_FAIL;
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' |5 C# v3 D) w4 a if (! opiSonProd) return E_FAIL; # K n5 P3 [& V( D& p# X
6 ]. K4 S5 d1 j F if ( NULL != iDocument)1 I7 V; f4 q6 O# q/ n) s" I" O
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8 _3 D# z# g+ h3 w7 \" I7 B5 h // Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;7 R5 T* m& n& ]
: Q n2 ? r8 |: \
rc = iDocument->QueryInterface(IID_CATIDocRoots,4 I' f- b7 M9 _6 ]1 O
7 b i0 H+ B- K/ ]0 ~+ ?3 _; b
(void**) &piDocRootsOnDoc);
6 S6 P2 w% G% f4 k
! v J' _# g0 d) J r! [ if ( FAILED(rc) ) return rc;% R! I# G3 f ?% c- K: ]) Z2 ?2 F
- u9 i9 E1 P% ~ CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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CATIProduct_var spRootProduct = NULL_var;; d) [, |0 h$ u+ f& n
* p' q1 n8 A4 M" y
if (NULL != pRootProducts)+ m& S) v6 m5 E2 j5 q' Z9 }/ I
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{
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H& j" t: ^" o) c9 Z/ x) a if (pRootProducts->Size())
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2 B n) \3 f3 K' M/ L8 s { 2 { w, S2 J6 k2 v2 k
& w4 m' v8 h6 _ spRootProduct = (*pRootProducts)[1];% Q0 ]+ J3 }$ `$ q
1 L; h& C( \+ R; ^- w% K
delete pRootProducts;5 P* e) {& ~& t# ?7 J
$ Z( w- {2 U8 R& E& T" M pRootProducts = NULL;! ^. J/ }6 ]; p( [
" x5 [9 C2 b3 h; P" D2 b9 K }
7 G. r& s! g& Q2 G) T& d3 B) O
; H- d" `6 x- z piDocRootsOnDoc->Release();. Q% {8 w( m( u- [
* T2 A/ U: G9 D# v
piDocRootsOnDoc=NULL;
9 Z3 K5 v5 [, s* b, E6 D4 K4 R% n" r+ V4 d7 N1 X P
CATIProduct_var spProduct = NULL_var;# H; ^! i9 g b8 u- T$ ~
2 p- z v: c" a
if (NULL_var != spRootProduct)
( i9 r5 H8 H0 v) l9 i: l$ J. K. j( k
$ a1 i# K8 k: b' z! g. N- } {* T- V* p7 x% R
9 \- g% _; A6 }. L, [ spProduct = ipiFatherProd->AddProduct(spRootProduct);
! _2 q S( n: H* ^. C' L3 _4 `( Q6 j8 D0 v4 u
cout<<"NULL_var != spRootProduct"<<endl;! b( c; s1 n8 _$ q$ o% J
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, ?5 _* a" Z" X9 b t, V
else3 O/ o/ m, p0 n/ J& O
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* G, |' I! T @) h7 L0 N CATUnicodeString docName = iDocument-> StorageName();
2 _& Q u7 w3 K/ A5 S7 E8 D9 f& \( _" a4 P r- q
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);& ~" c/ ^! g' y" V
1 ]( Z/ }: J, C+ p* C, u+ |
}5 D. b" b7 G/ B) G
$ Q0 i2 w7 {/ f- i! G if (NULL_var != spProduct)6 T' A0 l1 o$ M+ V% g) ]
2 B- I( ~2 ^2 x" A3 [
{ H# I6 F4 G2 i' v
5 j6 @* @1 E$ a0 A$ R' ? rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);: u. J9 @% n) o
5 h! t+ C8 M7 Q& o9 D
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
* z% t: p5 U3 W
5 Z; ~. W: z9 ]# T }% Q% H: C' l8 U" V0 R v
- s6 j; s5 m; o% Z: H } , @* j1 M. Z4 c$ G$ b
& U9 ]9 K1 z/ `! i4 x. c
}
) @, k. E2 _! E" ?" i2 D/ E
$ g c: e% [% O& ]# t2 b) [: b return rc; . a3 A: ~7 t' c7 d8 _; t
6 i; o6 H2 w+ ]' E: h& C}
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----->刷新模型根节点
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void XXXFunction::UpdateProductRoot()- q/ U7 X4 [! P0 n q% c+ o. Y
: t# P4 ^( V8 Y# h& B- ? k6 ~ J{
: m/ ?1 u1 S% d$ D+ I
# @. i5 h% k3 u4 g //*******************************important**************************************4 Q& p- H- M7 I/ J
. b, M" B+ P1 a0 F7 l$ i D$ F CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();2 z0 C3 ?: W! o& ^5 D# e+ F6 t1 p
+ I; s& a4 ]# A+ i CATFrmWindow * pWindow = pLayout->GetCurrentWindow();8 Z6 t' N6 W; H$ F& a
1 Q7 P. I$ m: t; j+ _* S) D CATFrmEditor * pEditor = pWindow->GetEditor();; ~& T! d( n2 D+ U) k2 ]- f& \
4 N1 @4 e1 H6 \* N9 M& ^9 o& ~: z CATDocument * pDoc = pEditor->GetDocument();
4 m/ [6 z6 k) B- V+ R. T1 f+ V. a: s) @2 z
//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/ a# g! ^! E5 a2 E" s6 a% H: J4 _
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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;
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CATIDocRoots* piDocRootsOnDoc = NULL;2 C% D' R' F2 O2 w: ^0 y3 L, g
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);# `2 N9 Z& X" u1 A; U/ r5 ?( E
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if (SUCCEEDED(rc)): w5 C. o! p9 t, m6 _: Q# t! L
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// Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();- W/ O$ l- A6 K8 X" z! ^9 z
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piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;! E) [( S0 L" H7 G9 G5 F! R4 [
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CATBaseUnknown *pBaseRootProduct = NULL;
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" ?0 {& \4 }: g( X) U# X if (pRootProducts && pRootProducts->Size())
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5 D7 L0 `7 m* R9 j8 O9 s! g7 {5 ] pBaseRootProduct = (*pRootProducts)[1];& F) E( S% b. U9 c3 g
$ Z2 f _3 q( h' |) Q delete pRootProducts;4 `# y7 U/ N1 d. r
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6 ]1 f1 v W: v: O if (NULL == pBaseRootProduct) return;
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& U- V" Q+ O& Y4 K( c6 P: Z& { rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);' h0 S: ]9 q/ W8 ^) a
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if (FAILED(rc)) return;( X' v( k" Z: e$ P. e
# M1 C1 l/ R/ i/ I% V //对模型树进行刷新6 g. m; y0 x. A9 d s
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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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else return;
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8 o4 a5 Y5 t% W) x2 y3 ` //----------------------------------------------------------------
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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。
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* N q& O' j3 g. k& o( l) n CATIModelEvents_var spEvents = piRootProduct;" e4 S4 X' O1 F3 d
( s4 P" ` D* v' x" [8 W6 }9 A CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);* @% D: E6 e0 m9 |
& K6 ~8 M! _% }! x/ N2 r1 s/ C- n //Update the graph view
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# }9 ~$ z0 A* S" v# n) ? CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw();
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7 u9 b: L% {9 ~# B! A+ n piRootProduct -> Release();
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piRootProduct = NULL;; t# ~9 U& {$ \, h) J
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