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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:* R3 I( l S! ?
Name = (WCHAR *) L"Poke";
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2 n9 Q) S% V9 `+ {; Y- P8 y: X hr = m_pDisp->GetIDsOfNames (; w; S6 g2 ]/ O/ u' t6 N9 c; H
IID_NULL, // reserved- ?& y( y6 h/ u# p' |6 a
&Name, // Array of names to get IDs for2 v0 e! f% I* ?1 k9 V
1, // # of names in the array/ v2 v4 p( T) Z! Y
LOCALE_SYSTEM_DEFAULT, // System locale
+ T7 o8 C% {3 v1 k7 V" o) _2 R( f! S &pokeID); // Array of IDs to fill on output
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[+ ?7 q& O$ U7 f1 Q/ I: S2 @ if (hr)
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MessageBox ("Get Poke Unsuccessful");+ `. H6 u- y- p
return;
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( C+ s! T, c- f4 q/**************************传递数据给extend**************************************/
. F$ l. E, `+ p1 z+ f5 _; s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");. Y% |7 N. r) `: U6 B% J
VariantInit(&pokeVariant[0]);
# s) L y- [0 I- P$ G+ f P pokeVariant[0].vt = VT_BSTR;* g/ H" V' r. `9 b. F
pokeVariant[0].bstrVal = valueStr;! `' E4 P* H8 _3 ?
$ j9 _; g1 E' t5 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 ]8 y% Z% e% m. w% E
VariantInit(&pokeVariant[1]);
; q/ @+ c' J7 P pokeVariant[1].vt = VT_BSTR;
+ ~/ W9 c7 ~- M6 I0 O6 s+ T pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");1 i) [, i" F/ n! X$ Z
VariantInit(&pokeVariant[2]);
9 d, B2 H1 B! a! H% e5 I. D' u pokeVariant[2].vt = VT_BSTR;* v: j6 d* H' O+ a/ F
pokeVariant[2].bstrVal = topicStr;
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/ w4 j* N0 n1 a: C) k0 L// Set the DISPPARAMS structure that holds the variant.4 \( d. z4 |( ^! u
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dp.rgvarg = pokeVariant;
5 v4 b9 j0 h+ w7 F dp.cArgs = 3;
$ b/ Z$ Z1 d5 E dp.rgdispidNamedArgs = NULL;
0 ]6 i N* L& @: J: x8 |9 B: r dp.cNamedArgs = 0;0 H& D* S5 w% U
% N" Q' e+ `' ~. S. P// Call IDispatch::Invoke()
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5 C1 B N; T9 U# s5 @2 X" Q hr = m_pDisp->Invoke(9 a& O% f- m q% `6 @' y
pokeID,
6 n# N- i6 O6 B, U2 N1 s IID_NULL,6 f* e8 W- Z9 K& H+ V6 Z4 M
LOCALE_SYSTEM_DEFAULT,
6 A2 `# i" M1 i! R5 Y DISPATCH_METHOD,& h8 C4 q' }! p5 o5 F2 ^6 F
&dp,
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&ei,
. H" C: m9 t% D9 D: O1 P &uiErr);
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3 w) Z# x Q* U9 [7 N& B SysFreeString(topicStr); p) {1 J6 I! }) T! w8 g2 @
SysFreeString(itemStr);
I$ ~$ v% ~' K; V: ^3 T SysFreeString(valueStr);
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; d% g9 J. L) P# \0 e7 a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???& {" W7 Y3 e7 o8 m# M
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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s4 C5 [& {1 }1 l" Y2.这是request的程序2 Y- F" ]+ R3 E: w- N2 r% g
// Request a value from Extend% M7 ~7 P# A1 u* J: |
//
" v2 ]) S& `) ` Y; |: R4 r// Initialize the variant that will hold the BSTR. Set the variant's- N2 i' Q. J2 N
// type flag to indicate the fact that this variant holds a BSTR. Place the$ S6 b, D: x0 q7 Y+ @0 U
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- I& v; s& C- e( H* }( D# J8 T' m VariantInit(&requestVariant[0]);
5 o; V6 \4 y2 F: j( h requestVariant[0].vt = VT_BSTR;+ C3 G; M; X8 k4 a" l# u+ m
requestVariant[0].bstrVal = itemStr;
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: X) J4 `; R3 X Q1 s G% h topicStr = SysAllocString((WCHAR *) L"system");
% X; [) B( s7 X$ Y6 p: b8 b VariantInit(&requestVariant[1]);
5 J6 U- Q4 y. k( t; ~2 q) D requestVariant[1].vt = VT_BSTR;
" O$ X3 S8 i5 s' a requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant./ @) L- I( U6 y! R' @
0 \7 M, i7 C/ Q5 `. @ dp2.rgvarg = requestVariant;) ]/ Q/ E1 F' g1 l1 o4 `% D
dp2.cArgs = 2;8 c r+ ^1 a6 c- G
dp2.rgdispidNamedArgs = NULL;; m# d f. `& R$ Z: N* u; T: R
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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6 S1 I# c0 v* B/ v3 `4 \" ?8 H// Call IDispatch::Invoke()6 c* w) W U" M' j* y+ }
; N/ B ]/ B2 X hr = m_pDisp->Invoke(
n6 G0 V0 V4 `1 H; H1 d requestID,+ P( t$ y/ U+ k/ s% O1 j9 W
IID_NULL,% u5 i. [6 x6 k. ?( w
LOCALE_SYSTEM_DEFAULT,
( J8 a6 z2 G+ s! K( O4 f DISPATCH_METHOD,
; \+ ^* K3 R1 M/ I; G &dp2,( G: Y ~ L/ H! `/ n- ?9 Y
&var,3 V0 e% n# ~$ z/ j( F
&ei,% `& F i" u: n& B: O
&uiErr);
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SysFreeString(topicStr);( l6 S, H, ^2 P6 g7 Q W
SysFreeString(itemStr);
7 z1 M- n! E8 |; [. K4 \请问该程序是获得extend里面的哪个值?3 g# S' D6 r) s; P) n# |2 f
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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