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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:
; Z \ K7 ~" @* J- M' {Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
\+ v$ j% l9 W; `5 {# x# W IID_NULL, // reserved
5 W6 u% y: u4 h. Z7 \ &Name, // Array of names to get IDs for
4 R+ l; e1 ]$ ?" B) u 1, // # of names in the array( o, Q7 r: L% m: J
LOCALE_SYSTEM_DEFAULT, // System locale
! P1 _' k$ ?9 M. x' L- C &pokeID); // Array of IDs to fill on output
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: O" m) s: T) |5 i1 s: \ if (hr)% ^2 b% V& `1 ~2 s, F l6 ]4 Q$ ^
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MessageBox ("Get Poke Unsuccessful");
E2 p7 @/ Y: q return;* d! F& u( E1 d$ @2 i
}
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/**************************传递数据给extend**************************************/
1 A, V; I. O- Y) F5 P* u" T pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# O$ L) m6 N1 b! R1 n* P+ |2 F
2 b; F( K7 |) i/ n8 d valueStr = SysAllocString((WCHAR *) L"1232");4 q1 G$ E. N: w2 I; A
VariantInit(&pokeVariant[0]);
2 v( c: J, B; `8 z. ?; y& A pokeVariant[0].vt = VT_BSTR;
+ p8 h# f; H2 k h pokeVariant[0].bstrVal = valueStr;
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4 }. ? m) }! n f ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' U5 D$ D! i- M" @% P& Y VariantInit(&pokeVariant[1]);
' q0 N2 M+ x) f* | pokeVariant[1].vt = VT_BSTR;) ?# i% N6 ]0 @) q8 I
pokeVariant[1].bstrVal = itemStr;9 [ h2 h( [0 P% R) w4 U1 J
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topicStr = SysAllocString((WCHAR *) L"system");
: o) M% ?% R% }5 K4 `7 O VariantInit(&pokeVariant[2]); 7 m& V: R( f0 {& D
pokeVariant[2].vt = VT_BSTR;; S- N2 B+ S' i/ h3 l* O* J
pokeVariant[2].bstrVal = topicStr;2 z+ P4 V) c R* ~
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// Set the DISPPARAMS structure that holds the variant.. |8 s! k% A! w' O$ ~" h& m
" g/ M# N$ P# O! Q, c4 B7 B dp.rgvarg = pokeVariant;3 P% Z" o$ r% f9 t4 u
dp.cArgs = 3;( g0 W& G" N: ]; h2 G6 t
dp.rgdispidNamedArgs = NULL;
' s5 y+ N2 I: b dp.cNamedArgs = 0;) _% `" m6 d# Y. P* N3 ?: P+ [
/ |$ A4 R5 ?& m: l: \
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 L, D8 Q$ C* Y9 G1 \2 h: o pokeID," @, V; @% u0 F: q8 }
IID_NULL,7 `5 `( g5 o0 f! @
LOCALE_SYSTEM_DEFAULT,
- ^. U7 w! G6 c7 I, {5 K7 w DISPATCH_METHOD,2 V0 J+ e3 L0 m$ D7 q, b
&dp,
0 F1 A6 G" O* V2 i" p' S# C NULL,
7 X4 A9 w7 v. j. v &ei,
; H" A1 s% o! f+ y) M { &uiErr);% o3 k5 _0 I* `$ B# a5 w$ w- l. V
: Q1 \; ?) w1 k9 Q- T SysFreeString(topicStr);7 U/ Y+ Y+ M! R- t, o
SysFreeString(itemStr);# L$ w2 G {+ L6 K9 Q0 t- v1 {
SysFreeString(valueStr);
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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???& Y) t y' f" l" [7 @8 C
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????$ N& y+ ~8 G$ b+ o- V
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2.这是request的程序) S3 m& Z, p' |% A
// Request a value from Extend
) ], s5 A2 P c( R* V7 `//
% p1 u, J& d/ X+ H9 T- r2 S5 _// Initialize the variant that will hold the BSTR. Set the variant's
0 A: i7 O! C) i- s% [$ x% V! K// type flag to indicate the fact that this variant holds a BSTR. Place the1 v* ^8 ^4 {1 [) d3 y
// BSTR into the variant structure.
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: c2 j5 `% K: d( ?/ i' ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ W3 T! w4 P6 I* p5 F: J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) E2 i+ @3 O* z# J! [. h& b VariantInit(&requestVariant[0]); / v0 D, Y4 U9 [# K; @* ]
requestVariant[0].vt = VT_BSTR;: Z$ e) p* k |
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
) Q/ d% K6 F1 ?4 r. V9 Q, q# Y VariantInit(&requestVariant[1]);
" K6 S8 d' R2 k* v requestVariant[1].vt = VT_BSTR;
" g; n" p' F) C! C0 q# N! V requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;! ^7 @3 W) g# g+ l
dp2.cArgs = 2;
& z0 V" y r3 ^- F- [% t z dp2.rgdispidNamedArgs = NULL;
6 A& y( P# G0 e* I/ l/ Y) V dp2.cNamedArgs = 0;
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2 f H( x, p% z% t var.vt = VT_EMPTY;/ V# F& Y! Q. g$ I; E6 Z8 R
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// Call IDispatch::Invoke()
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% ~; _' b {* K7 Y' m- `7 s- Y8 O hr = m_pDisp->Invoke(& D# `7 n) X. P- U- Z" B
requestID,
6 Z$ K! q( O6 w% Q IID_NULL, q: E& r/ }$ h
LOCALE_SYSTEM_DEFAULT,! u6 B0 P' V* J/ j4 |
DISPATCH_METHOD,8 G! v5 A3 |( \" B! H
&dp2, V; }7 A8 M# M$ I/ j6 L
&var,/ P* d6 q+ m: ^, |! R8 Q7 N. e1 w
&ei,
& R: k1 m5 w/ R/ g' ? &uiErr);
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SysFreeString(topicStr);6 C% B T. Z. y9 X& `( M& z' j0 q
SysFreeString(itemStr);4 |( W. ^5 }9 S! s1 ]
请问该程序是获得extend里面的哪个值?& x. ~4 B+ f# k. q7 ]
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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