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5仿真币
我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:
n' ^; Z$ S) r4 T5 r5 a+ @Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (. C1 b1 s: G! s0 `2 K) N S
IID_NULL, // reserved1 W3 x0 |, y, u4 ]. u; U/ q
&Name, // Array of names to get IDs for
+ F; A4 M4 h- C 1, // # of names in the array" q k0 W: C9 N8 D6 L, b
LOCALE_SYSTEM_DEFAULT, // System locale
/ V" b5 c/ ^& b1 E1 h+ E &pokeID); // Array of IDs to fill on output
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+ Y$ @$ m/ z2 n7 C r: v. Y( } if (hr)3 j. d0 A& z: D6 e* g
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MessageBox ("Get Poke Unsuccessful");
3 I, M2 y! \$ K4 z( _ return;$ c) R/ i8 Q) p) ]7 W
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! l, _8 B/ H6 H- _7 j1 [/ w/**************************传递数据给extend**************************************/
3 g _' G+ u, `6 @0 M/ y# u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
+ c: w5 Q9 n. E8 `4 E8 v1 [ VariantInit(&pokeVariant[0]);
6 ]* |$ X0 F" o# ` pokeVariant[0].vt = VT_BSTR;7 @: O0 E0 a% o$ J2 R4 W
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# ~& Y. a7 e: @6 a" Y: m% U: c/ k } VariantInit(&pokeVariant[1]); ; b! Z6 {9 @5 K+ q3 H$ P' D2 z& [
pokeVariant[1].vt = VT_BSTR;9 A$ m: ~# R% x# D
pokeVariant[1].bstrVal = itemStr;! X2 A: K9 G4 [
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topicStr = SysAllocString((WCHAR *) L"system");
( U7 w0 S- |/ M0 |% @: l" Y9 e5 d: c VariantInit(&pokeVariant[2]); . X' x3 w0 ~+ ~& m! q; a- Z
pokeVariant[2].vt = VT_BSTR;
. b5 b: N+ I9 \6 Y& M& U pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.& C' j* A6 E% Y) g& h; a
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dp.rgvarg = pokeVariant;2 t5 h# n% p% j" z
dp.cArgs = 3;
: X) [0 I/ g: z* E! v, q, c; v' M dp.rgdispidNamedArgs = NULL;" ^1 V# A F. U' f
dp.cNamedArgs = 0;7 w* u- c. N& I3 r
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// Call IDispatch::Invoke()
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8 P/ Y( m! ]. ?2 p1 g( ?4 b hr = m_pDisp->Invoke(" [/ p( ^& P; P* f6 `4 u% _0 r
pokeID,0 P9 W1 q! D% n+ x1 Z% o# k! K, {
IID_NULL,
y% b+ v, I# D3 D! Q& W LOCALE_SYSTEM_DEFAULT,
- ?- C# M1 `! | DISPATCH_METHOD,& }% ?2 f: L# {, \% r
&dp,& j! v# V) ]: S' Y! l9 M$ S- U4 r* K
NULL,
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&uiErr);/ [0 g. c: p' @# e7 x4 A* z
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SysFreeString(topicStr);
* S3 [5 X( h4 Z/ S SysFreeString(itemStr);
3 }; K' H2 l, f4 l& }- u4 N SysFreeString(valueStr);3 N8 t D; v& s8 Q/ X
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现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???
! x8 A+ O6 l- T7 F: a此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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2.这是request的程序
: T$ [6 R" v- u/ n// Request a value from Extend
n+ S1 i& R$ A4 f0 ^* u4 s//# X- R% a, |& w) l3 Q2 i' n
// Initialize the variant that will hold the BSTR. Set the variant's
. t5 D2 H& ~) g9 U y// type flag to indicate the fact that this variant holds a BSTR. Place the {, H9 I/ J' @0 b
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 b5 Q; v2 N9 |" n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 n, e6 k' n: k, J. J' C; K
VariantInit(&requestVariant[0]); 7 g/ i1 G) E3 j1 b7 F/ H
requestVariant[0].vt = VT_BSTR;1 E3 ~, u: |9 ^8 k; G: ]
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( r2 h9 v7 M, i, }* y$ y VariantInit(&requestVariant[1]);
, Y1 g: ~. t. u7 n" [" J requestVariant[1].vt = VT_BSTR;+ p) |& J' y% |1 x2 S
requestVariant[1].bstrVal = topicStr;5 k# G8 i8 K9 S
& @$ r3 |; D* x/ ^& J1 I// Set the DISPPARAMS structure that holds the variant.0 c) r4 B# y& H. v
7 T; K/ Z& [! M+ \% g4 S dp2.rgvarg = requestVariant;( Q9 J/ I7 u# B' }: c7 b$ N
dp2.cArgs = 2;' i) j( m2 _5 D) [; |
dp2.rgdispidNamedArgs = NULL;
/ U% q( B" o# G" c" G" x dp2.cNamedArgs = 0;8 { _9 U4 @' n4 q. i
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var.vt = VT_EMPTY;% B& `; f5 y- a* S* `" h
# v# u, ]( g& R8 U& _+ K// Call IDispatch::Invoke()" F+ q, b E. d7 s) M% a7 }) b
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hr = m_pDisp->Invoke(* N- N2 f9 t2 O$ E+ I% Q- M
requestID,
1 _' c9 h( Z; f, E2 ~, N- s IID_NULL,; z1 w/ P3 M3 w( ?# _
LOCALE_SYSTEM_DEFAULT,& t! a5 J' s1 W1 p1 l
DISPATCH_METHOD,
/ O0 }) N3 v; x% o &dp2,
. `& A0 u0 y2 i4 R' p5 e) X" u# j3 C &var,
9 L1 P; b1 b$ W" l! q( b1 N; }/ y &ei,
! v* {) }* _) `+ [+ M l &uiErr);
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8 T8 l2 M2 |4 G/ o, R, e6 ^4 D. M SysFreeString(topicStr);. B% {! j* E; C* w {
SysFreeString(itemStr);7 m; k/ |1 I8 u6 ~9 l
请问该程序是获得extend里面的哪个值?( t: t# \6 G2 g
如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现???? |
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