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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:
' }3 [5 K$ u! [6 L, ]/ q: [Name = (WCHAR *) L"Poke";0 e* E# M5 O6 v& K' D4 n# b3 `
; g9 F7 A3 n( N hr = m_pDisp->GetIDsOfNames (/ |" e2 L0 J" I6 X3 s+ n4 p. |
IID_NULL, // reserved
% x! g( h- M8 g' ~5 g &Name, // Array of names to get IDs for
9 s8 j) t! C( O' U 1, // # of names in the array1 h% c3 A$ f) Z, I: d* i* o
LOCALE_SYSTEM_DEFAULT, // System locale
( v& m* f& d4 i! q- i) Q; u- s9 q &pokeID); // Array of IDs to fill on output
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: {( q# ~! E5 _& P if (hr)
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MessageBox ("Get Poke Unsuccessful");
: Q* G1 c7 P; D return;! ]: g$ s# D+ ]) q8 U k9 c) g
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/**************************传递数据给extend**************************************/2 c3 p/ @3 D. e; _" t1 @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 _# z/ j6 j! s" ^. a
" a9 r) m6 \, ?) } valueStr = SysAllocString((WCHAR *) L"1232");
! B# ]$ a9 C) F0 [/ g c VariantInit(&pokeVariant[0]); / H Y$ W1 }! A5 g' l9 ?
pokeVariant[0].vt = VT_BSTR;
$ q" @+ I" H+ F8 c pokeVariant[0].bstrVal = valueStr;* ]7 h1 H1 u0 R+ R
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; e" Q& Q9 w" H8 w. y
VariantInit(&pokeVariant[1]);
- j7 }" M F0 Y2 n. ^0 o$ D' d pokeVariant[1].vt = VT_BSTR;
) `9 p" T/ Q+ J7 y1 K3 p pokeVariant[1].bstrVal = itemStr;
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% x0 \ y! w( f topicStr = SysAllocString((WCHAR *) L"system");* s8 m2 P! T; c4 h- C5 Q* _4 `
VariantInit(&pokeVariant[2]); . e, d; R2 e, y \
pokeVariant[2].vt = VT_BSTR;
9 p7 n) l* ]7 m* x pokeVariant[2].bstrVal = topicStr;
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& l6 v- a* X* n// Set the DISPPARAMS structure that holds the variant.. D/ Y7 I- m* J1 F
. b+ G4 j/ E0 x8 o" W+ D6 Q& P! [ V dp.rgvarg = pokeVariant;+ u* q" }: D2 ]* \
dp.cArgs = 3;
- W4 z3 H( B# i; l$ X dp.rgdispidNamedArgs = NULL;
/ X* d8 O0 R6 X# j5 u1 o: E dp.cNamedArgs = 0;, s4 t& |0 z- ] c) D3 x; F$ g
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
i8 a9 B7 A, ^$ | pokeID,* |4 d' r2 d8 x' ]) Q2 ^# Q% J
IID_NULL,
/ {) Y& B" d2 X0 i" c5 w; T% V" n LOCALE_SYSTEM_DEFAULT,
( j& i/ h/ h. O5 a/ N9 k DISPATCH_METHOD,2 [' b9 f! p8 U% ]4 ]: E
&dp,* J& e L0 C( x( t- Z7 j: `9 s
NULL,
$ F, ~5 e& D4 N7 r &ei,0 X) J. n% r9 g2 D1 _' A; s
&uiErr);
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! ^9 _' a5 C9 |' M+ Z SysFreeString(topicStr);0 v b5 |( G9 S9 h) ?
SysFreeString(itemStr);
: m& o" i. e. \0 |0 `; W SysFreeString(valueStr);5 | `5 \: ~/ F5 ?+ ?7 l
o; e- Y4 W: g$ Q; M& j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 q( v/ i0 D) S; Z9 L+ R# g+ Q" V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????$ D2 d1 W" f- L6 d$ G
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2.这是request的程序
* j4 U) p" }% E// Request a value from Extend& R" \- {6 I/ c6 k
//- }$ u* F; X8 k! [, C( b9 H3 B
// Initialize the variant that will hold the BSTR. Set the variant's
0 q% P4 \: m/ g// type flag to indicate the fact that this variant holds a BSTR. Place the: P+ W0 G- Q6 W7 W- E$ @
// BSTR into the variant structure.
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8 b, M/ s. o7 W6 F. K3 [ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( E7 v. `! a9 d7 m9 |3 O
VariantInit(&requestVariant[0]);
- j0 v7 N, _* Y8 X requestVariant[0].vt = VT_BSTR;
' W" O% M* Z4 q. |4 n! O. U requestVariant[0].bstrVal = itemStr;/ O: ~- g$ G$ q. k* t
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topicStr = SysAllocString((WCHAR *) L"system");; w& I: `% `- t5 U ^
VariantInit(&requestVariant[1]);
) l# N( A7 \; r. i) [. K requestVariant[1].vt = VT_BSTR;
3 m8 d- x# W5 y2 j5 f- m1 q, g requestVariant[1].bstrVal = topicStr;$ n1 K+ S6 H! F% ?. H* c8 a
# o& H' G7 T; L3 H5 i// Set the DISPPARAMS structure that holds the variant.
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6 c( W) m* a3 ~. v/ g5 j dp2.rgvarg = requestVariant;
1 c/ l* K! q1 s dp2.cArgs = 2;! J; `" p/ ~ n1 u- Y' @9 S. f
dp2.rgdispidNamedArgs = NULL;
) J% y9 v; W1 w* ` dp2.cNamedArgs = 0;! C' s8 S, W1 [4 v
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()# x, p0 j3 c$ g/ i7 u Q: @# L X
* K* d3 a) t4 N5 {; E5 C& x6 N3 U hr = m_pDisp->Invoke(3 x0 |) p/ V1 @- }3 `& \4 E2 f8 Y
requestID,
- M# x7 ?5 O" [; e- C4 |% v( } IID_NULL,! I; i6 x5 E1 d1 i4 t9 T# F9 G% |" X
LOCALE_SYSTEM_DEFAULT,
' l% M" j2 z3 K# H% U- s- I, [ DISPATCH_METHOD,+ c. Q, U1 t( N! A
&dp2,
2 r" V2 |9 x2 {8 V; Y) G y6 }) D &var,
/ { o, B' e" P( I) n &ei, q k. a9 t) {/ K# N; c! n
&uiErr);; x$ n8 j$ i0 @5 U' F. c# ?9 p' v; _
6 p0 t0 v+ K7 L SysFreeString(topicStr);; P3 a% w/ I! t$ i/ N
SysFreeString(itemStr);/ Y: [* O c, k8 n
请问该程序是获得extend里面的哪个值?
, ?7 s( u2 v+ R! @; }! |1 k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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