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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:
2 y+ `$ A) q0 y k6 [* O- s8 [Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (0 ?7 ~3 I: r0 m7 h* W- t7 R! l9 k
IID_NULL, // reserved. E k3 d; q, [0 U5 `* G
&Name, // Array of names to get IDs for
2 Y1 R+ v8 ~( a6 C6 o: w 1, // # of names in the array
+ E9 f$ v1 p C) P6 M/ {2 E1 g( k" ~ LOCALE_SYSTEM_DEFAULT, // System locale; s' t) g+ S' g5 v9 B0 F/ ?
&pokeID); // Array of IDs to fill on output
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if (hr)* v% c5 D. L# m0 `3 K# h: N8 F; X
{, N- `/ \+ C" M5 L8 V( [. L
MessageBox ("Get Poke Unsuccessful");; f) ~* ~4 C6 b2 r5 m8 }3 _% I
return;
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/**************************传递数据给extend**************************************/
3 m4 t* c9 d# t! v& Q' F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; ~$ o7 o1 }# G- w
& P( z$ b' c$ X" l6 o t& ]/ {
valueStr = SysAllocString((WCHAR *) L"1232");1 g+ w+ l$ T3 H
VariantInit(&pokeVariant[0]); ; c) @# S% D; d% v8 ^
pokeVariant[0].vt = VT_BSTR;
. @! M' [6 c" z6 b pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 }% A: \* G! X" e" P VariantInit(&pokeVariant[1]);
; b ]. ~: l5 ]" c; }" t& _ pokeVariant[1].vt = VT_BSTR;
) w/ z# j) l# n& R8 g pokeVariant[1].bstrVal = itemStr;
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* f6 U q* ^6 B& N0 V! ]# N' _ topicStr = SysAllocString((WCHAR *) L"system");. n$ z K- ]* X- e
VariantInit(&pokeVariant[2]);
+ @3 K; G8 T: q- s( @0 f pokeVariant[2].vt = VT_BSTR;
* M/ v- r1 W' ?9 l+ g pokeVariant[2].bstrVal = topicStr;
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$ w5 A7 t% I: m% G d// Set the DISPPARAMS structure that holds the variant.9 b$ K0 j* W9 t' z0 x
5 q2 w# R8 z6 Q6 a9 p, J dp.rgvarg = pokeVariant;
8 b( S8 X% o3 _7 b- d0 p% D dp.cArgs = 3;
. g; |, k* w1 }% }: g6 f) V2 t1 r) ~ dp.rgdispidNamedArgs = NULL;
" d/ U# g$ S7 b dp.cNamedArgs = 0;
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- i% a) {" Y. X% ?2 Q4 {// Call IDispatch::Invoke()7 ^" {5 L% C, K3 K3 d! Z
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hr = m_pDisp->Invoke(4 f9 ]# B* ], E1 X1 |" Z8 w- q
pokeID,
6 N2 x: l% ?% }" D6 X! Z) N: O IID_NULL,
2 L2 J, X! h* j' P' w. e; N LOCALE_SYSTEM_DEFAULT,
) Z2 S1 r5 ]! ~/ e DISPATCH_METHOD,( e: T+ y: b4 F
&dp,( y$ o' o9 Y5 k/ }7 E
NULL,3 w. }+ f. n* H, s$ K" z) A2 N
&ei,
( t) @0 m0 i- T2 E &uiErr);
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SysFreeString(topicStr);
8 t, c9 u y8 w# j' `7 q- l1 |) i SysFreeString(itemStr);0 o# Y' ~8 ?: }; l; v
SysFreeString(valueStr);- e0 T+ a$ T" _2 J
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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???
) W6 s' b7 i5 D/ d2 r3 f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
. b* f7 P8 R' u$ z// Request a value from Extend$ |4 j5 x8 g% M$ C8 _4 T
//$ Q& _+ E5 T% g- x! X
// Initialize the variant that will hold the BSTR. Set the variant's' b& n3 X3 c: } @9 W9 y
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 f: _8 d' x5 l1 U, b// BSTR into the variant structure.' z5 J5 a( j* d0 ~7 ^/ U4 h2 U
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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+ }! g9 w% O, ~+ ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: B5 s- W1 B" f2 ^
VariantInit(&requestVariant[0]);
1 b+ M: k3 d& G+ D- A8 W9 Z requestVariant[0].vt = VT_BSTR;
! C; c/ ~. @& M. A! T7 E requestVariant[0].bstrVal = itemStr;( u- H" b) z J- q! d# t7 d! M
5 Y q5 D7 C o- \, k topicStr = SysAllocString((WCHAR *) L"system");4 ]- P' e$ L8 I: Y* ^* t6 P$ I2 O
VariantInit(&requestVariant[1]);
5 y3 [6 W3 n, \' ?, L requestVariant[1].vt = VT_BSTR;% C, ~7 |; I1 d, R3 G) f7 e4 y
requestVariant[1].bstrVal = topicStr;7 e4 {5 J+ \4 A
8 p, o7 R1 h3 F, R/ [// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
: a# u2 ^* ~! T$ l( |5 f+ h dp2.cArgs = 2;
: V; r( L$ `/ {8 t% r dp2.rgdispidNamedArgs = NULL;
: j% p! S7 K, t* j dp2.cNamedArgs = 0;/ L6 M0 ^& G3 W
0 q4 C' S0 \: [% f( x9 i! o var.vt = VT_EMPTY;% s3 R# F/ z: U5 U( c
3 m7 O! n- d; E1 l% _* Q// Call IDispatch::Invoke()
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" I* `& y. N% M0 c& o hr = m_pDisp->Invoke(
, R9 C5 I j. l requestID,
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LOCALE_SYSTEM_DEFAULT,
8 T, T+ U2 C/ I1 D8 \1 d DISPATCH_METHOD,
0 G; y4 n1 W4 J) b& N! ~ &dp2," K4 \* k* H P' ?- D4 [! j" f
&var,4 T& S) b# D+ O, ?% f& N- `. F0 m& `
&ei,
W3 E: s8 w: e+ C) A' x$ q &uiErr);
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SysFreeString(topicStr);
6 C: w1 v9 t/ ^& x SysFreeString(itemStr);
, e0 K; p9 e2 ]' @! M1 P2 C请问该程序是获得extend里面的哪个值?
1 O# E1 r& ^/ i& m+ _9 x- E j5 @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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