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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:( G/ I. z: r% d: C8 H1 @
Name = (WCHAR *) L"Poke";% V, e* o ]: ^& M" h
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hr = m_pDisp->GetIDsOfNames (* B4 m2 w+ Z5 }) U$ t
IID_NULL, // reserved
/ J/ v; v9 v0 _* D, {9 @ &Name, // Array of names to get IDs for
4 v6 R; H. p* {: m* V 1, // # of names in the array$ J x# O2 q! \
LOCALE_SYSTEM_DEFAULT, // System locale
! U% d8 G9 h+ a. p &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
7 h/ d/ k6 r6 m2 E0 i- `' T) \ return; l7 o, @/ I. ?( F0 p# a
}
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5 |0 S, T; s5 R( ~* x! T: \! P' b( K/**************************传递数据给extend**************************************/$ I/ e# t( c# e, W0 g1 k. d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 h4 s+ u/ ?: j* V: ]9 a valueStr = SysAllocString((WCHAR *) L"1232");$ m% ], L1 Z1 ~5 ]1 c$ f
VariantInit(&pokeVariant[0]);
6 a* f6 M' H0 H3 s# ] pokeVariant[0].vt = VT_BSTR;- b F+ T$ ^) i. G$ I7 _
pokeVariant[0].bstrVal = valueStr;0 @, R+ P# K, o0 S4 R6 G
) K2 ]4 m1 N6 e! k' l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 a! b% b" D# j1 q% B& P s- X VariantInit(&pokeVariant[1]); 7 \. p6 b/ o( M8 ~) x9 X( o
pokeVariant[1].vt = VT_BSTR;$ X7 v0 O7 C* H8 V0 G7 h0 P
pokeVariant[1].bstrVal = itemStr;
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: ^* l! o7 Z( ^9 v, g# k- Z topicStr = SysAllocString((WCHAR *) L"system");
1 D% R$ @3 n3 ~. P, d m VariantInit(&pokeVariant[2]);
9 M# [3 B$ m9 ?* s pokeVariant[2].vt = VT_BSTR;& A& D" [. f2 p' J0 `
pokeVariant[2].bstrVal = topicStr;+ D2 } z% W2 |$ s ?
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
, G* \3 v9 y4 j7 v& k. l' m2 b dp.cArgs = 3;$ |- r+ a/ S, i- {; _
dp.rgdispidNamedArgs = NULL;6 k1 H+ @0 R1 t6 X1 M( x4 a
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()4 h8 }) z: R- x5 j0 P. t
3 E x. K7 p0 J; Z, @ hr = m_pDisp->Invoke(7 h0 Y2 v1 ~5 I$ R
pokeID,2 w7 E# M1 y% ^! ^2 r: Y
IID_NULL,
/ ?0 k4 K8 d; \ LOCALE_SYSTEM_DEFAULT,. z: u3 d2 X4 _# N, e
DISPATCH_METHOD,' z5 @+ Q# r( s9 q5 V" x; c, ]
&dp,
7 X2 c/ u" q6 m" l7 @8 D2 ~ NULL,
0 ^ {' k& L% S+ p2 n$ W &ei,
# x3 N9 | r2 U: ~2 z3 Z" v) n. H &uiErr);
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SysFreeString(topicStr);
& N0 `! ~- l1 T4 l: W" { SysFreeString(itemStr);
o% ?$ D+ O: G1 L7 O SysFreeString(valueStr);
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( \9 e, C, h1 z- w4 e- W! E2 G, z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???$ q% }" c L: H9 H% Y3 b% d# 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
- ~% i3 y8 j% w+ C, v9 i// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
) O. K- l6 i2 n, b// type flag to indicate the fact that this variant holds a BSTR. Place the
9 E# o: f+ i* y5 x$ ^) y. m" @// BSTR into the variant structure.
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. z0 d+ i% Q" } requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( G# c0 J5 Q3 U' ^
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" v, s9 C8 d E0 X
VariantInit(&requestVariant[0]);
/ z, a6 J _# Z: C* D requestVariant[0].vt = VT_BSTR;7 V5 x- `' r% K
requestVariant[0].bstrVal = itemStr;: F9 k0 T% l, F" L$ Y" z
+ i9 o- f N- `0 _5 ?) T topicStr = SysAllocString((WCHAR *) L"system");& o5 w- u2 D* T M
VariantInit(&requestVariant[1]);
$ v/ S9 C6 E# i9 C requestVariant[1].vt = VT_BSTR;
8 @& K" u9 b3 z- u6 [# J% g requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;1 `# m, Z. e& Y& H4 Q1 W! z
dp2.cArgs = 2;
' f% d1 G/ I+ i* Z1 F# { dp2.rgdispidNamedArgs = NULL;& [$ W$ ~4 I$ V7 m# j0 s7 p
dp2.cNamedArgs = 0;
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* g; X- X7 u8 N% k var.vt = VT_EMPTY;, ?7 K" _# n" m0 J( l9 h8 g
- J, c+ U! P. \7 l! d1 e// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! b8 t5 w8 D) y) V requestID,$ ]' [4 P7 ~8 @. }" ~6 z
IID_NULL,7 h Y! z/ ?2 n ]: s7 z
LOCALE_SYSTEM_DEFAULT,0 t% b; Q4 {; h; p
DISPATCH_METHOD,# D8 O/ `* \0 H& Z- s
&dp2,$ B5 u9 I4 {* f, |: u
&var,
; n/ }5 B- C2 t$ b% S% H/ U &ei,
0 _3 b3 }- }: s9 q2 a &uiErr);5 @4 f0 {) E9 A
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SysFreeString(topicStr);& H$ {) \. A3 Z) ~/ ?
SysFreeString(itemStr);% D% A) j) m; u, t4 r7 _5 v
请问该程序是获得extend里面的哪个值?
% N* Y; t9 S! a( _+ e( N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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