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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:
) a6 N& \5 h' ]7 [- J, I) XName = (WCHAR *) L"Poke";
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- R; \7 w' ^- M4 C( \/ `' k/ G1 f: A hr = m_pDisp->GetIDsOfNames (
; L8 \ V, n" D( a2 s% j$ I& u IID_NULL, // reserved9 R" z1 O- K# Z' N; n3 V- B- h$ V
&Name, // Array of names to get IDs for
: w8 P1 p) D7 |4 { Q 1, // # of names in the array' G8 p \' R& s. h0 b. E( T3 J
LOCALE_SYSTEM_DEFAULT, // System locale0 F$ a3 D- r1 P0 p1 x2 a) y
&pokeID); // Array of IDs to fill on output% {' F8 j) `1 C" o
( _, k8 e& Z5 K if (hr)
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MessageBox ("Get Poke Unsuccessful");2 I) h9 g' Z+ g8 z0 I. R
return;
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/**************************传递数据给extend**************************************/
W) E; Z& f$ U! V pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 J8 B' F" M; F7 M. {$ _. k% G valueStr = SysAllocString((WCHAR *) L"1232");
! a; a# W! \" {, S VariantInit(&pokeVariant[0]); 6 ?' `5 p- s1 d* x+ K, N
pokeVariant[0].vt = VT_BSTR;
1 {, a0 B6 y- y; l2 @ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- V* l0 W/ a* e$ |; C
VariantInit(&pokeVariant[1]); 8 S' i4 A; ~$ [1 t1 L8 M
pokeVariant[1].vt = VT_BSTR;
4 e, I* f: K0 `' T% |+ d g pokeVariant[1].bstrVal = itemStr;
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8 X1 ]) W9 g4 A. l$ ~. ?9 F/ m3 x topicStr = SysAllocString((WCHAR *) L"system");5 n2 t8 W6 q4 ]- t# s
VariantInit(&pokeVariant[2]); 6 @; `0 Q' x2 v% t; g3 j
pokeVariant[2].vt = VT_BSTR;
8 g4 f: Z9 Y c1 ?5 Y$ A5 M7 C6 ~ pokeVariant[2].bstrVal = topicStr;) @) w7 c0 N' }2 e+ Y* i
! [4 t; O1 M% f% u// Set the DISPPARAMS structure that holds the variant.
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+ Y( N9 X& g% J dp.rgvarg = pokeVariant;4 M! F' k$ T" L8 A6 M- n
dp.cArgs = 3;
# ]* J6 S; N+ I6 ?# _3 q) I/ V: l dp.rgdispidNamedArgs = NULL;0 H1 }6 H$ I7 _. p. P
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()5 h+ _/ X0 e. O! d0 y o5 Z
3 g9 |' F, A* l) ?: `/ E0 _ hr = m_pDisp->Invoke(. s3 A9 Q* O$ d0 a/ t* K1 Y% a7 n2 K
pokeID,: @# v. r5 ^% N% Z0 m: y8 N3 I
IID_NULL,
# K8 N2 q/ Z6 E, w. Q, C6 [8 F LOCALE_SYSTEM_DEFAULT,1 U2 b# |+ ?! U: ?; e" l
DISPATCH_METHOD,
; a4 E! {8 M# ~ &dp,
- Z! c9 K/ m3 B NULL,
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&uiErr);# p; M3 v% J5 M" M
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SysFreeString(topicStr);
9 G4 ^3 n; x; J% C$ _ SysFreeString(itemStr);
) ?& L. O+ _1 j0 h& r: ~5 P1 Z SysFreeString(valueStr);
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& U& h' |/ g# U5 R2 {" [. F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???
0 f/ ^: |, v- D o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????* W+ w( h6 y. Q) y& {5 x& T
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' \" s; I& G( k! A5 w. d2.这是request的程序- `" g* ?/ }1 e, X" B/ r
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
}, R6 A5 E! a: s# C# K// type flag to indicate the fact that this variant holds a BSTR. Place the+ ~$ \& j2 H& o% O
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ z7 e' Z2 Z; _5 K, l
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 |$ _3 G3 a; [ VariantInit(&requestVariant[0]); % l; d/ x. M- O* x& f1 g
requestVariant[0].vt = VT_BSTR;# {, t2 @3 W- Z0 m5 h
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");0 a" ~2 ?; D5 W/ r$ L+ V7 G
VariantInit(&requestVariant[1]);
3 G% H9 M- f7 T( y3 D requestVariant[1].vt = VT_BSTR;
l1 Y: v& J- u1 y8 F5 a4 f/ j! u requestVariant[1].bstrVal = topicStr;- Y( p9 h/ T; q& H( m/ Z
; X5 E# d0 s. w" l$ R; t) n6 B// Set the DISPPARAMS structure that holds the variant.
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$ M( U' P9 m- z) o5 z7 i dp2.rgvarg = requestVariant;( c% F& u6 f) p) l# O; g, @& v
dp2.cArgs = 2;6 ]& c. j$ S8 a4 E! g/ I' F2 P
dp2.rgdispidNamedArgs = NULL; U3 v3 y, r) ?7 a/ A! e X
dp2.cNamedArgs = 0;
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7 e) {" d- b3 w" w var.vt = VT_EMPTY;$ Z& H$ q' }2 K5 V t, a F6 u
% F. K4 g0 c# C( w// Call IDispatch::Invoke()0 I9 J) C: P. p5 ^
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hr = m_pDisp->Invoke(& M; F! E( I2 V Z. S
requestID,7 ] v9 x. V/ f. x* l' @
IID_NULL,
* X6 V5 v; \7 \4 `7 a% |; K+ P# N% h LOCALE_SYSTEM_DEFAULT,
" T* I/ E/ }" f/ o0 k6 y' R) i; A DISPATCH_METHOD,
( O- U& k0 a! q" q( {: V5 }, m. G &dp2,4 f4 _7 s' S$ T8 h
&var,
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. O! q. N) k9 R. m- F &uiErr);
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SysFreeString(topicStr);" p" g5 X2 h) J0 s9 K4 B
SysFreeString(itemStr);
+ m% e9 |8 B; f' A, \6 I请问该程序是获得extend里面的哪个值?
5 h; I* _/ l1 Z; N; A) e+ 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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