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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:5 V2 T( n' [4 W! Q% b: g* v# e
Name = (WCHAR *) L"Poke";
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: I2 o$ ^ O# E+ W" ] hr = m_pDisp->GetIDsOfNames (, E+ I/ I7 V$ P$ d) B# Y
IID_NULL, // reserved
+ g; q$ R2 P* ^% D* W2 A &Name, // Array of names to get IDs for
5 ^/ H0 J) u, M1 G0 D$ s 1, // # of names in the array
: A9 p6 x$ G2 Q+ l/ S7 a LOCALE_SYSTEM_DEFAULT, // System locale& T8 ?5 F" v+ P" N# H
&pokeID); // Array of IDs to fill on output6 ?7 I3 o9 o; O6 M* p
3 X- x* D1 k, \' w if (hr)
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MessageBox ("Get Poke Unsuccessful"); s+ m: `4 Q) G1 C: h, a
return;+ n& L( v3 ^8 u7 F: R' ~0 h( g: P
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9 W, r w( I" W) b/**************************传递数据给extend**************************************/
: E. G1 A( G |2 @% m& u3 |2 T pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 f. t; `% p* Q6 y) u% X0 O
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valueStr = SysAllocString((WCHAR *) L"1232");6 V7 d$ d1 {. B5 Z, u
VariantInit(&pokeVariant[0]); 4 e( v0 h5 X# L/ p: w
pokeVariant[0].vt = VT_BSTR;. \$ f: T3 Z; `
pokeVariant[0].bstrVal = valueStr;
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0 |8 t2 I8 d5 { n" T" @ c2 M2 U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 D( M& u3 w! u; f, Q% m VariantInit(&pokeVariant[1]);
; Z7 {/ ^5 b p0 Y% y$ M& ?8 m pokeVariant[1].vt = VT_BSTR;. M& A% W7 l+ [) M+ j
pokeVariant[1].bstrVal = itemStr;0 X& O6 O3 W p7 Y; \
9 k- F' C. \0 k2 J# }0 b topicStr = SysAllocString((WCHAR *) L"system");
* Q ~& N2 u7 r5 \( j" H9 e VariantInit(&pokeVariant[2]);
+ x% p2 u2 \ ^ pokeVariant[2].vt = VT_BSTR;6 W3 r+ v, F- h8 R
pokeVariant[2].bstrVal = topicStr;
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( r+ L% _% R0 V6 m w// Set the DISPPARAMS structure that holds the variant.
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% r& z0 h+ A3 G5 { dp.rgvarg = pokeVariant;5 _- M$ h z5 `9 l/ M8 v& H
dp.cArgs = 3;
* M+ z, f8 I; m# Q, q% w9 I& f. @; T dp.rgdispidNamedArgs = NULL;# k% [4 y9 Z0 T2 i& y+ D: y
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()- t/ w( Q( d( H4 v- n# H! V
+ O4 H* m. @* n$ P _* N hr = m_pDisp->Invoke( q1 B% E3 W L- D# T" }1 v3 S
pokeID,
* G1 J m H9 {7 e. A; o IID_NULL,
% X, L$ w7 ^5 m+ [9 b/ L LOCALE_SYSTEM_DEFAULT,0 ^1 S5 n" b! l) |6 k4 A0 s. w
DISPATCH_METHOD,9 K7 x t' j7 f1 p$ t$ Z# O _
&dp,8 ?3 K! F$ D2 Y& O; Z& d
NULL,. j' v# J9 n: K6 w3 `. J
&ei,5 u) x, M" Z2 V7 [
&uiErr);% G- }5 r0 h1 H4 U
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SysFreeString(topicStr);! i& N* r, L. E0 i! N
SysFreeString(itemStr);: D, o% O: k) ^- C, R% ^$ Q, B
SysFreeString(valueStr);4 t% W& h) G+ R! K
% {7 U" b/ p- j6 g' l( o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???( B3 |3 {$ l3 g( \1 ^1 n
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" F" Z5 e# G' }8 o& b8 T+ v$ U3 e
// Request a value from Extend
3 `+ u6 H/ n; m7 U6 M//
2 E3 z* h/ t" O5 f% A// Initialize the variant that will hold the BSTR. Set the variant's
7 |! B2 `! |, a6 U$ Y, k; ^// type flag to indicate the fact that this variant holds a BSTR. Place the
% o8 f* d* V7 [1 D// BSTR into the variant structure.0 r9 O+ h. ] }& l2 f
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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. D) h' D( [: |" b; V& H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& B8 {1 w, b; A" R; U2 u4 ^
VariantInit(&requestVariant[0]);
8 Q. {6 z8 R: t' ~. y* N z+ Y requestVariant[0].vt = VT_BSTR;
9 c" Z$ V3 E% N; v# @ requestVariant[0].bstrVal = itemStr;! @9 ^. Y6 G- L, ^ R
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topicStr = SysAllocString((WCHAR *) L"system"); y+ `+ u5 d) V* K! Y }* n \
VariantInit(&requestVariant[1]); " I: S4 c6 v8 S' e
requestVariant[1].vt = VT_BSTR;7 M& O4 n% z8 @
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.8 L& S/ o# w8 j* s& j( J* u
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dp2.rgvarg = requestVariant;" D& d3 o. s. y5 h$ d
dp2.cArgs = 2;# M+ v3 K( o$ W. O
dp2.rgdispidNamedArgs = NULL;& {: x4 ~. }( B0 y
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(' b7 H- B5 N- Y$ b7 r8 N
requestID,4 h# r% v* h* [) _9 X0 B4 }
IID_NULL,
# T8 s" X, D" v/ O3 e LOCALE_SYSTEM_DEFAULT,, M. y# }" x# K- u0 a
DISPATCH_METHOD,, M4 P0 n. B4 U- r1 r! R' V
&dp2,
; h9 t0 @2 K3 e# F8 i$ ]2 c+ A &var,# N* t3 p# D/ f
&ei,
9 O; Z4 A4 F6 d* m* m &uiErr);2 a$ X" N9 I3 c1 @2 i* d
* s% i: V+ M8 K [7 w SysFreeString(topicStr);
. o0 `) M" z, }, h SysFreeString(itemStr);
) Q9 v3 u- a6 j9 q' n8 Y0 J请问该程序是获得extend里面的哪个值?8 h2 P# z) o6 f% j, d2 X
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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