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CAA开发之文档操作: V X3 ]9 b/ V3 l7 C3 I) v6 ~
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$ W: A; X# m) X$ O5 cCAA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。# w5 Q" G& }5 F+ k; {9 I
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CAA中对文档操作的基本步骤如下:* Z) r2 Y2 _: z4 ~
* h& E( Z5 C: `$ e9 f. Z0 c& I创建会话 - creating the session
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+ j# h* m" ~7 N9 n/ X8 @新建文档 - creating a new document
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调用接口 - Query Interface" f! R. |* w+ }4 w# Y
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获取根容器 - retrieving the root container3 _ H# T% h! I6 R" v
4 e/ ?( T/ |" h" o: c保存文档 - saving the document4 p9 @5 W: ^& G/ q: ^ j( n: }
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删除文档 - removing the document; f- p7 | c5 W" d$ d1 F9 x8 I
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删除会话 - deleting the session + V6 D; O$ f( }$ }; H; w- u
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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。
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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。+ H) Z5 h; d2 U) c7 s) z; w# W7 h
1 z2 Q! U2 g0 @6 s P& ?7 z下文将对各步骤进行补充说明。; g# X+ \# _' I9 B/ G
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1 文档创建(Create the new document)
' l& @, c3 E$ e4 ~2 C5 e文档的创建通常有以下几种方式。可比较CATIA中文件菜单项7 a+ u) N* L; N8 l$ D) H; h
New:新建一个空文档
" _* I2 F0 u7 v# b2 q d7 M; D& X3 J$ }3 t9 E" x) g' N+ T% H" n
NewFrom:新建自
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新建文档代码:
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0 {8 q, w1 J% cCATDocument* pDoc = NULL;. J, m# }$ f. p) A- u; W& u
HRESULT rc = CATDocumentServices::New("Part",pDoc);
4 i6 t; ^ L, d0 q" S. Mif (NULL != pDoc)- V" K0 h1 M- B4 M+ {6 K
{+ u- z) x$ a2 F
cout << "New document created OK" << endl << flush;) U) t5 }: G# p& p* Q
}
' o ~5 a- m. xelse* q7 ?( ?7 w9 @1 ?
{
0 f, f( ]7 V( y cout << "ERROR in creating New document" << endl << flush;! G/ u+ Z+ ], W; x0 }
return 2;
- J4 Y: l' r0 o+ l# V+ H/ X% H}
" Z( r3 o0 [9 _3 I$ g. i
+ U: x! h5 Q1 Q( v2 文档加载(Load the document)
! X! Q6 Y2 X; `) I% }7 p' {文档加载即打开现有文档,主要方法包括 a( j1 g0 t4 E
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示7 A( B; d& x S8 x' R0 ~2 m
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CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行" u3 c3 u0 t! I7 ^& J3 w
7 H& k+ a+ W* m4 H7 _Open方法:2 M! x8 ?% ~+ m- ]( ?
CATDocument *pInstrumentDoc = NULL;
/ ^# e$ |6 G. O @: u4 @
5 j$ F6 I t5 l1 @CATIIniInteractiveSession *piSession=NULL;
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( z2 A9 r- M* B' F- T; ]CATSession *pSession = NULL;
1 V& B' j& Y' N6 p' z
6 M0 f, } |! D$ x5 L! l& f, hrc = ::GetPtrSession(pSession);8 `" M9 F5 U2 Y! h; D% R! F
s4 Z$ y" F* q8 H, U) x+ @rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
; U: V4 h7 I; ^* H# H3 @1 ^; f1 r9 C) w" r8 X1 N- S$ C1 f. U g5 n
CATIEditor *piEditor=NULL;* W- N, j% G6 N- A+ u1 W
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rc = piSession->Open(PathName,FALSE,&piEditor);
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% ?* ~+ n+ a3 {5 h: KCATFrmEditor * pFrmEditor = piEditor->GetEditor();. R4 C0 f6 n# K. k( v( K6 G6 T( m" E
0 d+ R; `: D! @5 D0 KpInstrumentDoc = pFrmEditor->GetDocument();
3 }; n- B* `4 o" h, H; ~" a& @9 B7 j! r- L: i
......
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; k5 q+ }- T2 ~' e1 COpenDcument方法:
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CATDocument *pDoc = NULL;
5 `( a& s, ~; I, o5 u% _$ |CATUnicodeString storageName = "XXXX"; //文档保存路径名
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5 `% N* `& C& t: Crc = CATDocumentServices::OpenDocument (storageName , pDoc);9 Y2 r# R+ G' B. S4 x" Q8 m& V( v
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;
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, I, R# I0 c5 [# ]else
+ ]% m' e' p$ b1 |{* A# w; A% m: q n( N3 `0 e
cout << "ERROR in opening an existing document" << endl << flush;
/ K% f4 r9 c. v: i D" C return 2; Q. v: s9 C' [) s* ?
}
) ]% e- y( T, S. ?. o- _6 |) n3 获取当前文档( l5 a, Z! w+ A! A, M+ ]3 r6 y$ l
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,( z7 y+ r3 A! o
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CATFrmEditor * pEditor = GetEditor();
% O, k) K6 f! O* Iif (NULL != pEditor )* y- Q+ T8 C; Q6 Y' ?
{: t: y: j) A) P1 n5 m2 O
cout << "Editor got OK" << endl << flush;
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5 E9 } y9 n$ C" q8 z8 E3 Aelse
9 ^7 [# y7 s3 k5 O{
! { t y0 E4 O) @ cout << "ERROR in getting the current editor" << endl << flush;' x7 _+ M0 b1 H5 i. l1 _2 X; [+ U
return 1;+ u" j$ d6 t, d+ S( L# c# k; [
}
7 M/ i2 \$ U* T {CATDocument *pDoc = pEditor->GetDocument();
3 K6 Z% @5 p3 H3 k7 O* g% ]/ p1 V) xif (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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else6 n+ V9 K6 ?" ^. o8 v O
{
9 t( q* ~+ G, n6 S3 M7 x cout << "ERROR in opening an existing document" << endl << flush;, o5 }- O0 ?& N" h9 ?1 c2 [
return 2; Q/ @* A8 D, {4 |9 x" C( c
}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。- j( B, ?/ S9 r2 ]! B0 S# H
4 保存文档(Save the Document)5 }1 E: f3 d$ r( x* L4 [
4.1 另存:即保存为新模型
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- a/ g! L! K! O i' L! _CATUnicodeString savePath = "XXXX"; //文档保存路径
# O! B I4 z8 e/ Z5 F2 x) U3 }rc = CATDocumentServices::SaveAs (*pDoc, savePath );
6 H! q8 P; Q9 }; q' B1 ^3 Mif (SUCCEEDED(rc))
7 v& \; j) G5 C1 _{
; ^: Q7 l7 _+ j z3 l cout << "Document saved OK" << endl << flush;4 Y7 K, j/ a Y( o3 P: c, t$ r
}
# a. f1 F# W9 }& | `7 T$ }: lelse
0 [) G L- @/ O6 c3 A, m6 D9 f{
( u5 D" f& X+ O% G( w8 l cout << "ERROR in saving document" << endl << flush;, I8 m4 A$ p+ \1 G& z2 R
return 5;% m! L8 W4 \' z8 x
}
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4.2 保存:不更新保存路径: ?3 P, h; N. O- @
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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3 B* A6 O& o. \/ velse1 ?7 y0 D+ K( j8 u; v) }! \0 }: S
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cout << "ERROR in saving document" << endl << flush;. b' P7 K3 |: g6 |& A6 X0 u
return 3;) y- R4 C2 k+ O1 j( d
}
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3 l0 A9 ~( d; ?& }5 删除(Remove the document) g4 ^) m8 Z( K6 Q+ _. Q6 T/ i
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rc = CATDocumentServices::Remove (*pDoc); Q: W/ e) u' @) T4 j7 K3 A
if (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;1 O4 w8 L. n) c8 E" [
}
% G+ B. P$ E6 V+ K xelse
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cout << "ERROR in removing document" << endl << flush;0 L% W8 y0 p5 b1 o( U
return 6;
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方法封装1 X3 D0 w# A) ~6 @2 S# }# y! b
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
0 o9 C3 d) @. e. V8 a输入:9 o% |9 ?$ t: G% c# F" ~* K
CATUnicodeString PathName //文档(模型)的路径
6 i' [+ _3 K0 h/ M4 G% g% |输出:1 w/ e* L# b# y# P/ ?" [* g" U
CATIProduct ** opiSonProd //文档(模型)的指针! T& u! X$ d1 I) f3 @
2 c) O6 O( ?0 I) f% i, r辅助功能函数:
; R; w' _/ W5 W: U5 G/ c获取当前模型树根节点3 t# c& t) Z: i
模型加载后可视化
% O% `- A5 R) l% S! h+ \刷新根节点
8 _3 d6 Q" Y( x! L! e----->打开文件) o4 _ G/ [* B9 H
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)" {; J P5 q( O. A; c
{
3 {! T3 {0 Y' o7 E0 ~/ X& a0 @) E" u( gHRESULT rc=E_FAIL;! @3 B+ L, a3 c9 o; o: _3 V
CATBaseUnknown * pRootProduct = NULL;
, t$ p% S! t/ C XCATIProduct *piRootProduct = NULL;3 C/ V$ G3 l. v; u* U
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点( p1 a2 i7 h) d% T
if (SUCCEEDED(rc))
( `: ^+ ?& E8 Y{1 Y9 R2 v7 V+ r
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
1 z) V5 V- P5 A1 h- {! W: i! tif (SUCCEEDED(rc)&&NULL!= piRootProduct)+ ?0 A7 _% w7 C/ n: H+ Y
{
5 u8 K+ x5 I: G* TCATDocument *pInstrumentDoc = NULL;; F# v/ n+ \3 e" p
CATIIniInteractiveSession *piSession=NULL;: _: H" C$ C# I8 \* Y
CATSession *pSession = NULL;. P' x9 d5 O s
rc = ::GetPtrSession(pSession);
/ }4 {% U* m) Irc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);# g; ~# [) [3 Y n0 P- N5 F4 {5 _
CATIEditor *piEditor=NULL;1 |! M# I: ~% h1 _# ~
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;$ B# h4 m* q) f& L# A# A
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )! E7 z5 s1 p8 @7 j
{ cout <<"The document" <<PathName<< " is opened" << endl ; }! v# d+ I5 Q& X& l
else
6 Z: M- T) j4 @& N0 O- @1 j{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }" ?% t8 Q3 ?- N
CATIProduct *piInstanceProd=NULL;
1 J9 t8 m1 e+ o/ orc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 . Y$ Z. y/ K# p( g2 v6 y
if ( FAILED(rc) ) return FALSE;7 Y1 \) ^1 F1 |1 P: j
// rc = piSession->Close(piEditor);
) a e2 u& M9 Z2 e+ r& E% R* opiSonProd=piInstanceProd;. N9 u: Z4 w2 n \; I F8 k& |: ~
XXXFunction::UpdateProductRoot(); //更新根节点0 V8 ?# H) M* M& P [8 H0 ]
}
& `; c$ x8 L" c. n$ }- K( s1 {3 K}
8 {- h6 }# y; y- F- ?# p9 Wreturn TRUE;
1 V/ _: O) l& @/ d% @6 c+ l- G}5 ^* `8 `, f! g1 ?, T
----->加载模型可视化
% J1 O6 H+ y( ?/ J% n7 M; j( G+ K5 Q
HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)6 B+ g! n$ Y% h# ~' z& Z
4 G- X3 U/ F, N
{
" S: ]' O" ]$ f
0 P; t. X% H3 S2 a5 s1 [: I# X //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); . S" n9 P8 S! e$ ?' ? p& w2 a7 d
) {7 \9 L! |6 A4 T2 e" @% ^
//AddExternalComponent全局函数所需的三个参数,
! H5 E! K! ^3 k, f o/ H
( P: k# U) l0 Z( j; l; x //被**的product document的root product,CATIProduct类型9 \6 Z+ M0 Q! C+ ^0 W
' W7 m" a. k( ]' Y5 x/ d //将要**的part document,CATDocument类型
% S7 P/ b% w$ l5 E) [
% I! t# Y: }; V1 q, u( _/ s //the product instance of the imported document0 x+ I% H, A- F( X* }& i* p
4 ^# R0 s, x- o y$ R% k //注意要**的document也要检索它的root product
( h% _* e- G' h# Q/ f5 v4 n5 ^ h# w* @& {' ]* N
cout<<"添加组件执行"<<endl;, x0 c1 x6 u) w( A; ?8 j
( W( I0 I- ~" D- R+ \ HRESULT rc = E_FAIL;/ e! v, o. O% L, k8 A
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if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL;
, r1 |* L6 F. X! l! V2 l
1 @+ e6 K. c4 o$ z- \9 ~ if ( NULL != iDocument); T! R. T {! _* ~/ R
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{. e; Z) i0 e+ P9 b9 c6 A
9 I5 K+ m: @( H$ c$ I // Get RootProduct of the document to import.; H, p. Z' l2 a" B
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CATIDocRoots *piDocRootsOnDoc = NULL;, ]9 Z/ }2 }9 C/ d2 a/ d2 k
6 i W4 x' _# E rc = iDocument->QueryInterface(IID_CATIDocRoots,
/ m5 w) ?: g# _* f1 Y4 g/ _' @" H# X! A
(void**) &piDocRootsOnDoc);
5 l$ V1 }4 U. E9 A) a3 K# N0 ]; I. {1 S) v+ b' M' m
if ( FAILED(rc) ) return rc;8 y% w! R$ u |4 V V) R
# J0 c! _( p* {
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();2 T. i ]; h7 o( @7 x+ S
7 n) j# E8 I4 `7 B5 ~
CATIProduct_var spRootProduct = NULL_var;# o8 G8 u+ G. s& }2 N1 q
% z; |# \- @. {1 t/ j2 z
if (NULL != pRootProducts)
3 I# K# U$ f1 i0 Q* g3 V) X
( k- z# Q& g3 E: K! a6 R: M {
2 v1 q- ~7 ~& K# U4 f( U; c C
+ f6 g3 L& B2 c" {( {' b if (pRootProducts->Size())
, z( l, n4 h3 r% w) m& ?0 o( D5 D( }9 Y. J' M/ v8 r4 `* x
{ 1 n! }7 W( V5 k9 H- l% a
1 o+ w- _0 L$ e- e
spRootProduct = (*pRootProducts)[1];
2 W+ h8 z9 m; H, p, ^1 a8 }9 x! M5 }+ o; W" q- l/ |
delete pRootProducts;
* X) U# v3 N. Z$ c9 k( g# \2 x
0 T4 S7 V4 p% S pRootProducts = NULL;( d: D7 _$ I- _% b& O
7 ~+ T N4 {; x
}) t# W# V5 e% ]0 [( U
# q7 p1 k$ T, Q+ l piDocRootsOnDoc->Release();" H' r1 w- P- C' h6 L
+ W9 }5 Z( I% U1 {6 P piDocRootsOnDoc=NULL;
# u- e& Y* Q |. ^! o% R$ L1 F3 g" ^! w
CATIProduct_var spProduct = NULL_var;8 Y& l9 S, p9 J* M+ {) k
& i1 i* Z7 G6 g) s- _6 o if (NULL_var != spRootProduct)
0 R% G+ r5 _: F/ b, _& z3 ~/ G$ _
/ ]7 V. ^" M/ j: G {) I: h* ^9 ?4 q) _5 x% N+ W1 A( }
1 [. G8 `* w! h/ w" U- ~+ a: l
spProduct = ipiFatherProd->AddProduct(spRootProduct);" k* k' F8 I3 y/ `( {
8 r$ O; q( |7 ]' u# t ?$ X cout<<"NULL_var != spRootProduct"<<endl;! b6 M; m7 o% s z
9 j0 o# h8 U% m& W/ L }2 Q4 s/ c! x% i6 i" r
+ }3 v" i. e+ l+ r {$ I else \) F/ H8 y/ E0 s+ x
0 i7 C5 g$ h2 J/ V- A
{
4 a- }& ?: `, H, @- P0 U. c6 C. M/ {$ Z- x
CATUnicodeString docName = iDocument-> StorageName();
6 F. t% A) k3 b/ T' [& r& c8 p9 b5 U& a& T7 Q
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);8 S6 k3 ?9 w T' u6 S ~
) k! W. t8 N& Z f9 s1 M d, V }
2 _) v9 v& |$ Z6 }6 f. e1 m$ h
- N8 M* h' T5 k% A/ ? if (NULL_var != spProduct)
7 O5 ]+ m/ ^# h6 u2 d t( x- ]
{ T- E# X# C4 P/ |& J# u/ y: A
: s# T( W4 F2 R' ^1 o
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);1 }* x2 A _1 e+ @
: b% }; ?/ M4 v# x) s4 Z" H8 m" R
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
2 M6 X& I1 M P. |5 A& G# c+ M* u [* Y$ l, C! P. n
}' p; \* t$ ^8 \
3 u! F3 r" [8 b6 w' { } , J7 \1 c9 i( j1 w; f1 e- C
3 h, p3 g d M0 Y
}( ], ]2 s" S1 l- V; q
3 w3 t; Z3 b* N% v O5 J return rc; $ D, q0 p! w+ m7 Q9 t+ y
. r" n w! a4 r7 P Q} # J* X3 J! V1 G6 ~3 t7 D/ q- n
U1 W& L E& K2 k
----->刷新模型根节点
5 n0 L) {3 [8 A: N6 s) }
% L* v7 v( V) J) x" _, Q. F, V4 wvoid XXXFunction::UpdateProductRoot()
( b4 U3 _$ S2 _! U0 V+ u- g5 Z0 N' [* S1 {) I% y
{/ S# m3 t5 O. w L& ~; @& B# z3 N
7 R. `1 a: g( M: j+ M2 o' E) Q
//*******************************important**************************************
7 K, V; O9 h4 ]" b9 R( `2 I2 r& @" i
CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();6 p6 @& u r& @7 }# L+ C
$ u3 w- e# I& B/ Q CATFrmWindow * pWindow = pLayout->GetCurrentWindow();( g# O! u4 z7 n* X1 E1 _3 j* G) c
+ q$ ~' c/ l/ H1 ~+ e9 P CATFrmEditor * pEditor = pWindow->GetEditor();
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CATDocument * pDoc = pEditor->GetDocument(); 9 {% z& z0 Y4 O/ q7 ?. ]
, l" a7 i8 c0 ~5 L0 Y7 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# ^# G6 a( X% d- m! Q' i# L
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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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2 J5 r5 h3 t$ l m" r8 k' k$ A. q' p* W- s CATIDocRoots* piDocRootsOnDoc = NULL;
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);9 I) V) J' h" R
! N3 N1 Y. r9 B0 c4 G if (SUCCEEDED(rc))" x1 q; {9 ]3 k3 v4 r" e. L
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// Retrieve the root product which is the first element of root elements4 H3 M- q1 i. ~. `
/ F/ p1 s: M1 | CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();; M. E: U t6 Z/ o7 B" Y
+ E% u8 e5 d3 N) E) ^# l piDocRootsOnDoc -> Release();. T# C9 K' ]8 O8 K
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piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())' a0 ]( b; V1 a# T: S
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pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;
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pRootProducts = NULL;& ?1 Y( x) |" h- d1 E
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if (NULL == pBaseRootProduct) return;
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$ V- A9 F+ X& ] rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);" {2 _2 S0 ^: T9 m
! H* ~' T: q2 y5 k# G if (FAILED(rc)) return;9 @2 r3 q, X5 D" a& f* v6 p
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//对模型树进行刷新% }1 U7 h$ g+ L- P
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();) K; F" s9 Q% p" T2 z5 N& C! w
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}
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else return; # {, t8 ~. H( Q' |8 ]. ~. g
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/ d1 M+ e' S0 [8 h //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。" g# G6 Q4 m& L
/ S2 K# Q9 n9 \1 P1 | CATIModelEvents_var spEvents = piRootProduct; @2 I. v: Z* H1 P9 f$ v& m& u- E/ m
2 M- ^# x$ G5 P+ \% R! @# E CATModify ModifyEvent(piRootProduct);+ w1 u2 n2 g7 u8 L
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spEvents -> Dispatch (ModifyEvent);4 M) q' G# I6 l- c; w" d: T
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//Update the graph view
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0 ~. _+ k" O( ] M. g1 h CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); & J% Y8 a D/ Z
5 Q( r4 q, ?4 S. G H4 M piRootProduct -> Release();
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; J( V: b& `. z0 W" e piRootProduct = NULL;$ Y4 S7 E% b$ e5 _+ k% V$ I/ z1 k: M
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