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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:
4 h0 k$ r; N; ?8 b& d4 B- [Name = (WCHAR *) L"Poke";) i. b- B/ G1 |- |/ K
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hr = m_pDisp->GetIDsOfNames ($ W. g8 S! @* {* O# M3 m D
IID_NULL, // reserved
5 G8 J! x3 _2 z8 R# n &Name, // Array of names to get IDs for
9 Z. |5 g4 S* t; C 1, // # of names in the array3 Z) N: Q, h, N" W3 Z7 {
LOCALE_SYSTEM_DEFAULT, // System locale' V; _8 e! k1 k! L' ?0 E
&pokeID); // Array of IDs to fill on output
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if (hr)
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/ E1 B+ D: w4 }9 W0 I* p5 Q MessageBox ("Get Poke Unsuccessful");' C! B0 ]1 @* `; u8 a' z
return;
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7 N1 y- n' ^& D' o' ^/**************************传递数据给extend**************************************/: k: Z8 f; w/ e) L; A* Z, b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
% p. u y6 C1 X, S VariantInit(&pokeVariant[0]); 3 y6 y& O0 C$ ?( |6 }
pokeVariant[0].vt = VT_BSTR;
- @! s1 s7 k+ ?% t pokeVariant[0].bstrVal = valueStr;
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& |& U4 I9 l9 K/ S2 K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 t' Y; B2 e! K; b& m3 n: O) V
VariantInit(&pokeVariant[1]); & }0 \7 a4 J$ |2 y' F
pokeVariant[1].vt = VT_BSTR;
! E( u+ a y$ q4 e pokeVariant[1].bstrVal = itemStr;: h" E: ]4 v- n) D7 p5 j; H
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topicStr = SysAllocString((WCHAR *) L"system");& v6 h2 M/ l. F" u$ n# R
VariantInit(&pokeVariant[2]); . f5 v' } M- c/ K' T
pokeVariant[2].vt = VT_BSTR;6 C v5 o' {: o+ b5 d
pokeVariant[2].bstrVal = topicStr;
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- g4 d5 O& C8 \# L! v, E4 R7 ]// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
9 D$ L/ W3 z6 ~8 u6 Z1 i. O | dp.cArgs = 3;
# i* g% }$ B/ M6 J1 ^* m& m dp.rgdispidNamedArgs = NULL;
: [- s1 }. r6 U9 L4 J* H dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(4 E- B' \( B& i0 ~, O1 H* q
pokeID,! @7 }. E( K; m# |- O1 A/ V, w
IID_NULL, t+ V5 @7 V; ?2 @+ D
LOCALE_SYSTEM_DEFAULT,+ {, X& Y8 I \ T
DISPATCH_METHOD,
4 s% E, p8 F* ^& g &dp,
! G* J. Z1 Z0 C* ~7 s( N NULL," F- I5 [4 l' |$ t
&ei,9 Y0 e2 }: i4 F+ U; y
&uiErr);% X: ^ l4 K( \' n$ ]0 R
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SysFreeString(topicStr);5 B) Y- k( O, N1 ^
SysFreeString(itemStr);+ ^, _% o9 ]9 n! y! R8 Y9 X
SysFreeString(valueStr);
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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???$ r) x" X2 Q# q# a( ^' 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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& R- v/ _9 O7 s5 K2.这是request的程序
* S6 v5 y* e0 h// Request a value from Extend5 o* o+ n( h1 M: V6 m6 X* T
//
0 g+ A7 n& U* W" l// Initialize the variant that will hold the BSTR. Set the variant's8 e% m8 m) G$ g$ p) }) u5 R
// type flag to indicate the fact that this variant holds a BSTR. Place the
- ]" }4 J% S; B// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% g3 d E" b ^7 ?: B% L7 X2 G. U% v
- u, n1 h9 T% \- [; Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 T( k/ T( q' k1 l" R VariantInit(&requestVariant[0]);
- r6 x' D7 f6 N8 x requestVariant[0].vt = VT_BSTR;6 Q8 o" G/ D/ O- K/ i
requestVariant[0].bstrVal = itemStr;
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! Z9 i2 s' @0 y3 f- j! g/ [ topicStr = SysAllocString((WCHAR *) L"system");
. d1 }# z% H* Q) c7 A VariantInit(&requestVariant[1]); / d6 D) y$ x% j! C2 [# A# Q9 N2 a
requestVariant[1].vt = VT_BSTR;
7 E$ v3 S% @% B: I; G requestVariant[1].bstrVal = topicStr; V) f" d) Q4 b+ l7 a) q
/ A( R- ]# o/ m" r// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
! @& A* q% \; K' \# L; D3 e5 D dp2.cArgs = 2;" H+ W, G) H$ T* J6 J# R2 v4 s
dp2.rgdispidNamedArgs = NULL;
7 i# l: t6 ]7 i, B4 g$ ] dp2.cNamedArgs = 0;
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; A0 b n6 U. J, |2 m, Z6 V: L5 `* x var.vt = VT_EMPTY;1 H' U1 r/ U4 z3 p7 ~0 B& k& d
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// Call IDispatch::Invoke()' z8 {' J" F; y/ M
0 B5 |3 ^" U" J# W hr = m_pDisp->Invoke(
U1 }" y7 k6 U9 k8 W4 Y0 ^% T requestID,
. i$ L# z$ d" V1 ]+ [% d6 u IID_NULL,, c' v7 }2 x5 ^5 {& ]
LOCALE_SYSTEM_DEFAULT,! S. B: z" U$ o+ g
DISPATCH_METHOD,$ z9 K3 S) _; `9 R$ f6 N9 ]" b* y
&dp2,- e0 u' f }& `# {
&var,
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&uiErr);
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SysFreeString(topicStr);
0 u: |- O8 ^ E" k2 l SysFreeString(itemStr);
L# ]: p% W- ]2 e: W( \& |请问该程序是获得extend里面的哪个值?
+ @* A* H. r% T* I$ W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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