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CAA开发之文档操作
: j6 S, E i7 i r3 R6 M; `9 W) \# A5 g+ q8 h; S# A& V" W
2 R+ L* ?. d; d. ^: [" s. rCAA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。 `( a% |2 r% y; p. N& l7 w, n
! M/ N5 X8 V/ ?( V/ w/ S/ `CAA中对文档操作的基本步骤如下:
$ I4 i4 d# t$ ^+ ?' U& t2 y) `. ?( G4 Q+ t9 | @
创建会话 - creating the session' ^ W; Z; ^$ K# J
. w o7 L; Z4 l# Q5 D1 @% ?8 d新建文档 - creating a new document# N2 e: c4 _% }, i4 S+ l
# \- {$ Y% o* O2 Q5 I; y9 }调用接口 - Query Interface- C3 A9 i" M( S X# J; O
9 Y9 `' v7 w# \8 c2 d O; y/ [获取根容器 - retrieving the root container- j* ^) ]. S2 L8 a4 Q: b
# Z3 c+ X- t1 c) J* j" d保存文档 - saving the document) l0 Z, R+ z, Z. E ^
: [1 S; X7 c$ V& l' j; }删除文档 - removing the document* ]- j# ~! Y0 d+ p* [
2 c9 W( d) U2 R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。7 E9 m6 J: g9 p+ ^$ S" ~
/ e @1 ` U/ c% v& K
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。% ^8 y0 a5 n* E% B0 P
& C: @- _6 t6 k# L; h下文将对各步骤进行补充说明。
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& c/ e% N# t5 a9 C1 文档创建(Create the new document)
8 a5 m3 ~ {. V- Q8 y( a+ V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; e: G% K. _- s! W8 d. JNew:新建一个空文档) ?/ m Q/ |9 E+ l0 U& F- n$ u
. D2 l7 h4 o9 g7 T6 _: QNewFrom:新建自
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新建文档代码:$ g3 R$ n, U' L* x
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CATDocument* pDoc = NULL;; C+ \8 Y$ f; @; D
HRESULT rc = CATDocumentServices::New("Part",pDoc);
) n# y H3 N0 c, ~5 }if (NULL != pDoc)* p- A; z/ o7 i+ z2 C4 c& |
{6 l6 f9 Y. g" Z7 F
cout << "New document created OK" << endl << flush;* n, |( b! y- Q6 C5 _( F
}
|6 Y+ x' c' Z; kelse# \2 E2 H q- y! i
{
1 N2 \8 Y8 c! r) X cout << "ERROR in creating New document" << endl << flush;
$ O" @% y, k3 B* z" \7 B3 Y return 2;& M- h5 v% [; l* D* g* u- Q$ c
}
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2 文档加载(Load the document)
' ^. p, X1 x+ J1 O7 Z文档加载即打开现有文档,主要方法包括
/ A( |: S+ Y6 DCATIIniInteractiveSession 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' e' M/ c! l+ o0 |
; z) z" J* N8 S4 O/ QOpen方法:$ L: ~4 d% Q: B% ]0 {
CATDocument *pInstrumentDoc = NULL;* m3 o& G' c6 J2 P/ y2 v1 P! H
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CATIIniInteractiveSession *piSession=NULL;6 h; l9 s, x4 M& I# ?
f. x% J. I$ {9 K! i) n. C# v
CATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);
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1 i: c* S0 q8 t, y' Frc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();2 L8 q1 b+ M# K
2 Y' V' Y- ~" c- |pInstrumentDoc = pFrmEditor->GetDocument(); 2 v e' p n/ b" p: t
$ h6 \/ ]: |3 z, o, M; z; q. f ......
+ Y9 |* \0 t, ] ]6 z( x9 i7 H* V$ k) u5 X/ S
OpenDcument方法:/ z: M# g R& |3 }
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CATDocument *pDoc = NULL;" M# h. l. [8 V, I+ H
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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) X6 d% A- c7 R: H9 w% trc = CATDocumentServices::OpenDocument (storageName , pDoc);
9 i, g c; p& L4 I
6 i/ k/ B: i6 X# i1 T6 A1 Lif (SUCCEEDED(rc) && (NULL != pDoc))
2 ?' v" v$ m* [4 _0 h{
% M) ]0 {; i! d8 J5 ^/ b cout << "Document opened OK" << endl << flush;
7 z, O: ] z; j' t}
9 G6 k9 I) J+ Z8 ?! U* Oelse
$ q5 o; @2 i6 ]8 g{
* L2 U! E/ q4 V cout << "ERROR in opening an existing document" << endl << flush;8 `- ~8 A& b1 K. {+ t
return 2;
* p2 t, t5 P) H; z K4 d}3 E0 U+ @) ~; L1 [7 U: m% R
3 获取当前文档7 G+ j6 `# ?2 L' B; y6 A; h3 X
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,9 G5 N$ f6 {. \
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CATFrmEditor * pEditor = GetEditor();
9 }% x1 d3 f- ^! @; w7 fif (NULL != pEditor ); l s$ P3 V9 ^ `9 W
{
: P: M: ` b1 E0 o cout << "Editor got OK" << endl << flush;0 C% P% r+ J4 G0 B6 `2 Z
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else
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cout << "ERROR in getting the current editor" << endl << flush;
* h }+ M9 V6 \4 @" @ return 1;
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( k: \; F: J$ [' [& X5 n6 U: wCATDocument *pDoc = pEditor->GetDocument();/ C0 m! }' _) u g
if (NULL != pDoc)9 O& S( o% ~) }; w
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cout << "Document opened OK" << endl << flush;" L1 n/ ]5 t5 T' G3 T7 e: |
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else; i! e8 R& z3 R" X+ u' o. o
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cout << "ERROR in opening an existing document" << endl << flush;
) g0 {& C) p+ |7 C return 2;+ t; |2 H- X6 B& {1 {& I: s
}
$ s9 H" J8 N _# G8 K1 i
7 a6 H4 I" H/ I4 e j 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。4 E h, N* s0 }) U+ Y3 O# P
4 保存文档(Save the Document)( c" K# N1 T+ B8 c. G* R% g
4.1 另存:即保存为新模型* }- h( A5 v3 i7 Y: J! i; @" f
( x3 T: x/ }1 H/ B, _CATUnicodeString savePath = "XXXX"; //文档保存路径! N, A. k, D7 B4 Z$ U7 B- ?9 o1 S
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
, Z7 N- F- j4 H5 s- C$ ]if (SUCCEEDED(rc))( l9 c9 q/ f! W0 K: ?' U& y) M6 _
{
, B" D" c) N; R9 @ cout << "Document saved OK" << endl << flush;
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3 U' ~ @8 n* ~0 P4 ^else( B& j: d( D! \% @' I* u2 L
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cout << "ERROR in saving document" << endl << flush;
/ h4 }: b$ j0 Q$ l; v return 5;0 ?3 t1 d% x T8 s, ?/ C
}
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4.2 保存:不更新保存路径: U+ M' h1 f% M% D6 N$ X
rc = CATDocumentServices::Save (*pDoc);
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" p* V5 Q6 k: t% `3 v- } v0 [if (SUCCEEDED(rc))/ n3 p; _! }; u1 d9 S
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cout << "Document saved OK" << endl << flush;
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else
/ U9 T' F' g1 f: R0 V. u$ z{
& ]# j( Q% A% J7 F# _8 R, r cout << "ERROR in saving document" << endl << flush;
. p/ J! e: ^8 q5 Y; I return 3;
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6 A8 a; {1 N0 Y% \
5 删除(Remove the document); _1 Y0 P8 Z: ]3 g
8 f) p3 w2 c, mrc = CATDocumentServices::Remove (*pDoc);% o; ?1 S$ y0 H8 O- s. y
if (SUCCEEDED(rc))3 T- e5 ~4 Q! H, E6 T8 L* l
{
/ k5 v/ D) Q/ W* U! Q cout << "Document removed OK" << endl << flush;
1 [! R9 Z. z( s% d- S o* e}
# j( c* K7 S' T, ]else' O) H" S, z% L1 R, q. ^
{
& t7 O8 I! m2 n* T. h' N2 } cout << "ERROR in removing document" << endl << flush;
1 J& X; L4 L' D; {6 M return 6;
9 E0 r# V9 i5 \" k& N% {# U8 _: H}
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方法封装
& l5 M+ v: U, ~3 g8 i q% b, Q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- T5 |) d. r7 \8 S& s
输入:; a" i4 G& T1 q ], d6 j/ t
CATUnicodeString PathName //文档(模型)的路径
3 e9 X( k$ }( l8 D6 t1 R( V _输出:' y8 m; ?9 ]! d/ S2 ]
CATIProduct ** opiSonProd //文档(模型)的指针
% ~5 g: g5 _. c4 C5 J% L
4 _# B& B. z5 K! t$ f- W3 m2 U辅助功能函数:
# H5 O* r; h8 V" s获取当前模型树根节点. e- Z: [9 ?# r* p# P0 P
模型加载后可视化$ a" S) C9 {* u" O% x: g
刷新根节点
9 T1 L+ Y6 |. T8 q% w( h----->打开文件
! O. i8 z8 ?8 zCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
% s( ? }9 K6 \) s- i5 H) d{
- X7 }) v3 y4 O0 S. C$ MHRESULT rc=E_FAIL;/ F& s/ _5 ~* G3 {6 F0 e
CATBaseUnknown * pRootProduct = NULL;
; u( f. s' T. V* GCATIProduct *piRootProduct = NULL;, T g9 s8 {- F8 M- P3 q2 h
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点7 P2 J! e6 A6 l' i
if (SUCCEEDED(rc))
# k2 p; n6 W1 t7 Q{
) O6 [& U. G2 Irc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);6 k* U: t1 G! h8 s; z0 E9 V2 t
if (SUCCEEDED(rc)&&NULL!= piRootProduct)" O" \4 i3 V: X: ^; k" D9 A; C" D
{- g" W6 I$ Q+ p5 W/ S
CATDocument *pInstrumentDoc = NULL;
, f) D8 p' \" Y: v) w1 b; N2 @CATIIniInteractiveSession *piSession=NULL;
6 y3 i2 t4 N: y( a# H xCATSession *pSession = NULL;
* d( Z. E/ Q# F! Orc = ::GetPtrSession(pSession);
! j: k2 E6 e# w' Wrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);! T' R t& D' g0 n- H
CATIEditor *piEditor=NULL;, M7 C# i+ f8 _4 B
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;! _: r- W. l: P5 c. w$ q) v
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
% e7 K% h% l# e$ K{ cout <<"The document" <<PathName<< " is opened" << endl ; }
1 L& b; c$ g" K, w4 Gelse3 w9 t0 j$ C. q* ]
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
7 w/ G% { l6 B( C* d* F iCATIProduct *piInstanceProd=NULL;
0 ~0 [) f: G0 T* m9 U5 z7 d+ trc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
$ e% F* E0 Q. M) U5 {if ( FAILED(rc) ) return FALSE;
d$ m0 i: Z l4 S& d8 U// rc = piSession->Close(piEditor);
( ?# p4 W3 L0 \1 V- _: ~* opiSonProd=piInstanceProd;# B& p7 |; ~7 d( H
XXXFunction::UpdateProductRoot(); //更新根节点
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}
( ~7 x0 X9 V1 I& {* a$ areturn TRUE;
m `6 l9 V" C6 W6 T: g}
1 c) ^. V# d% b----->加载模型可视化
3 E s* N+ r7 ?4 H8 F' }7 Z N# ^& G% m
HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)- `; Y2 |! z0 k$ R; u
* x P+ O: Y+ _, ]: P8 _$ ~
{
{2 z. J6 p" o* { b' c- [/ @ e2 ~6 B' ?5 j H9 @- r5 n" t1 A
//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
: K% J2 r0 }* A' U; @4 C
8 L: M$ p* _/ t. C3 E' W% l //AddExternalComponent全局函数所需的三个参数,( p. {6 U( i* j, f; T; v( b( v* U
. q: [8 l+ W* V$ P1 S5 H+ H" k //被**的product document的root product,CATIProduct类型
: b/ l9 _3 C5 I: h0 p5 \) t
( `) O7 a# [" Y6 e* N8 _/ u //将要**的part document,CATDocument类型
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, |$ ^+ A$ ~7 }& Y2 t$ h //the product instance of the imported document' M, F3 A# ?) E6 x3 f0 X+ `6 n
& _2 ^- R2 \" e7 S. g
//注意要**的document也要检索它的root product
, [4 d; Y2 i3 q" d0 Z4 V( B
: k3 [( r, w G$ F( l6 }% a cout<<"添加组件执行"<<endl;# [; Q6 G2 J( {% ^2 x
7 ^0 j j8 q# D* Y
HRESULT rc = E_FAIL; N8 t- \9 G( Z) P0 s4 t; P, t: {0 P
; p. w, R6 Q8 y" G8 v
if (! ipiFatherProd) return E_FAIL;
. W" R6 f! Y+ n( h& k
" J. r9 K, Z( u: W3 N if (! opiSonProd) return E_FAIL; 9 x4 l3 ]8 \) K7 V5 d" A
* L0 ?% ^4 b, b. ]/ D$ w* s if ( NULL != iDocument)+ x$ S" W0 j; Q5 G3 H! P. j% L
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// Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;
7 m) a" ?! v& @0 K# d q0 J; f* `8 I7 [8 x
rc = iDocument->QueryInterface(IID_CATIDocRoots,
' ?" p; k# ]6 q( J0 a1 [' a& e/ c6 e
(void**) &piDocRootsOnDoc);. ?6 S+ w. S: ~4 n }6 i" V
8 A6 g- b: j* o4 L: x) N if ( FAILED(rc) ) return rc;
8 t+ ^. g' ?* b3 V6 v7 q" I2 m9 | \% @; u) s
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();* K9 ~4 r, o' n# V" W" T
: m0 f0 t+ ?! U- m$ ? CATIProduct_var spRootProduct = NULL_var;. h0 F7 Q3 Y1 B) o1 K% Z J
4 c. N$ A- m y+ K R! P if (NULL != pRootProducts)6 O2 I" j- ]# L! P
" @5 B! J7 R" w
{! m* H% t: P- R; n6 r
8 A' y4 a9 E) C' d8 \& X if (pRootProducts->Size())4 v3 Z. `6 p6 ]) O( y; ~2 D9 g X
, R3 j8 }3 q( E
{ 6 {6 C' J. J/ }( z* g
) b1 h: B: l" K; U( a- l8 c
spRootProduct = (*pRootProducts)[1];4 V s9 Q3 P" a- E3 Z7 d6 p
5 x# z/ x% ?& @8 i4 W8 I delete pRootProducts;
, Z" i. P/ W. Y8 ~9 @! [9 R/ ~. r0 s: P( U/ ?) a
pRootProducts = NULL;
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}
N/ k6 Z, N# Y n
2 }9 @& j L) K8 ^1 i" b0 P7 Q piDocRootsOnDoc->Release();
+ j5 V; z4 x3 y6 |# w- ]+ T1 t$ X- q+ q" |! [' \4 k
piDocRootsOnDoc=NULL;
! x! o: c9 p1 @1 J1 v% p; w+ D8 G0 Z& Y! E6 J# F( T
CATIProduct_var spProduct = NULL_var;
n4 j7 K0 v/ x3 {+ l, N2 Z
+ I$ ?4 I( s& J6 O' C if (NULL_var != spRootProduct)
3 a) V" w9 W: B5 p6 w- @: R
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2 f, }$ e5 M/ b+ r8 o
spProduct = ipiFatherProd->AddProduct(spRootProduct);
2 J9 ~7 I4 a9 i) S
( ] k0 B" P5 Z cout<<"NULL_var != spRootProduct"<<endl;! d% j! z3 r0 y, r. R" Q: U. r0 ]2 @
( E9 ^* e+ E$ R% B- H9 A- L* X: U4 E
}% O. ]7 L9 G: I7 v( [
$ o5 x2 j- K4 h* c
else
" w9 {- ?) \& Q R& K& f3 [1 H, K% Z8 O1 q. f9 [+ z
{
! p, v/ L0 C2 |' ^/ S* f" J
7 e5 I9 t& s( h0 P. c' g' U( e CATUnicodeString docName = iDocument-> StorageName();8 @6 g7 X5 ]. D8 Y
$ W3 d' E- h# x( u$ |; f
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);9 s4 a% U4 e. Q( l/ T( I- D Y
& D6 H5 F' ]) q% N v }( S$ I7 z9 m& o: ~- L3 _+ f
5 A: _) g4 |; q& k if (NULL_var != spProduct)
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{2 n$ o# Q$ ?# a7 L1 S7 L6 y
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);( y! c) N6 R; L' N. w
7 l8 J6 T: z- c if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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}" U7 r3 z1 p9 K
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return rc;
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3 e' M. V7 h7 f3 @* q2 E1 P} ' ?/ d0 p9 c% B8 a% @9 _, B
3 r+ M/ }: j" f+ ?3 y----->刷新模型根节点 w: l+ `' j" O& |
7 l+ D* j2 Q, d3 {; w% t% Uvoid XXXFunction::UpdateProductRoot()( x0 i$ G! R) E# L+ l% Y) P+ Z: O/ O
- ]5 a* X8 b/ o$ d9 Q# ]' v8 S{, N1 h' B" L" y, V+ G+ G
+ r; ^6 l) I6 \0 E& q3 R: z. L //*******************************important**************************************( i: q2 C' |% I( n* |# z0 e" ~
% @( G6 ]" E8 d, B* d CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();% g. I8 \. p& t% U
9 j& a: Q- F* [" b G# y% i CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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CATFrmEditor * pEditor = pWindow->GetEditor();( ], l0 t2 d' Z. i/ u
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CATDocument * pDoc = pEditor->GetDocument(); 8 l5 d# O9 w) v
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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 0 {( x# J: o: D/ ?+ l& @
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CATIProduct *piRootProduct = NULL;
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CATIDocRoots* piDocRootsOnDoc = NULL;
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: @3 C" x% K3 ~& |( N3 g HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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. M1 n6 l' h3 j" b- R1 n6 p if (SUCCEEDED(rc))
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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();. r2 {3 Y2 C, h) g
?% }- y7 }) ` piDocRootsOnDoc -> Release();2 \$ W0 P6 c# t4 |
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piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())
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{
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3 a* r \3 @3 E8 e7 ?3 h" T0 s- Y pBaseRootProduct = (*pRootProducts)[1];
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0 T: P$ r) V9 B' X4 ^5 `5 j delete pRootProducts;+ \, P/ E& @- j' Q9 ?0 y* M6 |
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pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;
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6 n5 e- F. w* m3 ^ rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);# v5 S% w2 `" m# G) M
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if (FAILED(rc)) return;9 n$ {, Z* _+ D( M' w
6 T0 ^ L' S3 f& {6 \& N //对模型树进行刷新
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! h! w& _4 o/ e l. S+ ? CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新 ~& }/ V' G. }) M4 f; n
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pPartRenew->Update();0 x: p% g: c7 v2 u
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else return; 7 ?' h7 g0 H+ n( V
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//----------------------------------------------------------------, e3 l1 e' h; ?
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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。9 s& j) E0 J- W* J. {+ C
v. ^8 g/ V3 H$ x# g CATIModelEvents_var spEvents = piRootProduct;+ a8 ?* a" ~, r" i" X
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CATModify ModifyEvent(piRootProduct);$ P. E: Q% B( v! o) W1 ]
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spEvents -> Dispatch (ModifyEvent);9 C- `9 p; `( ?! N
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//Update the graph view0 `$ N# @! ~& r
3 Y8 f9 _8 i/ o6 {2 M& t- J CATIRedrawEvent_var spRedraw = piRootProduct;8 l+ s, ?$ i, `+ Q5 Y5 \$ [* ~
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spRedraw -> Redraw(); 9 i5 s# w. B$ t) a# \9 c! B
) n8 Z! `* O; t5 ?' O% L piRootProduct -> Release();
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piRootProduct = NULL;
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