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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:: p# M1 z% z! u
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (' z+ A3 Y6 k. E
IID_NULL, // reserved0 P1 {9 ~0 a; K' G5 X- y8 ~% \2 N
&Name, // Array of names to get IDs for- }, B. c7 h* V7 T; ^4 b6 n
1, // # of names in the array- N: G$ [' R" `: z" o
LOCALE_SYSTEM_DEFAULT, // System locale' \0 S' ?( Q* e
&pokeID); // Array of IDs to fill on output
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" {& {, b/ x' \& { W7 V if (hr)
* O" ~( }0 K5 N1 J# M {
' ?! n/ l# P1 N% e& n, \ MessageBox ("Get Poke Unsuccessful");
) l* Q9 X/ `. x4 [+ Y M return;- p: P9 k# v4 l* ?6 w5 |* k& z; z
}
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) {' O. ]) H( k" q2 x6 o/**************************传递数据给extend**************************************/
! m* |, [+ M* O1 H/ d' o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); G' N# M( ~4 I$ m0 c
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valueStr = SysAllocString((WCHAR *) L"1232");2 r% N1 W9 L0 X+ ?9 f1 _) Z1 Y9 B+ s
VariantInit(&pokeVariant[0]); " F$ F+ ~ h o; E* @* p+ E
pokeVariant[0].vt = VT_BSTR;
: g" E' u/ @# F# X' m, S& j pokeVariant[0].bstrVal = valueStr;+ ], m" Q( h5 z% N' ~2 o
# ?+ [+ l. w) \2 Z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 P- P4 J6 m: }# ~' u3 w& `
VariantInit(&pokeVariant[1]); # R7 X& s! H1 {: g# s7 _
pokeVariant[1].vt = VT_BSTR;. t& i$ Q/ z7 s, c* T
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
% c. @ C6 P+ _8 v. S, K VariantInit(&pokeVariant[2]); 3 V4 |( o! }! Z+ I+ u7 T; a$ s4 L
pokeVariant[2].vt = VT_BSTR;
1 [4 ?7 P1 b$ w0 ?5 M- a% \0 V4 x pokeVariant[2].bstrVal = topicStr;5 K/ R9 C& a' d1 B$ Y$ ?
5 L, m4 }9 D8 i5 d// Set the DISPPARAMS structure that holds the variant.
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! s, ]) D7 \* d6 A dp.rgvarg = pokeVariant;% h. T/ M8 z6 o9 Q
dp.cArgs = 3;' P& F% U6 K+ t
dp.rgdispidNamedArgs = NULL;/ W. ?5 `$ l" U9 s/ [, Q# R3 g
dp.cNamedArgs = 0;6 Q- [( i; I3 Z& a7 P
. k. p* i0 X2 c3 u' `+ N9 \// Call IDispatch::Invoke() B0 ]6 @. K, g3 l% |
4 k7 [8 ~0 O. [/ Z7 D hr = m_pDisp->Invoke(# } t$ A4 f: `% ^
pokeID,2 v0 o; t/ w& D3 n$ x
IID_NULL,, ]; D1 A9 S4 G/ ?- m: Z% V, { ^
LOCALE_SYSTEM_DEFAULT,7 R* n3 ?; a {
DISPATCH_METHOD,) E) f ~- `5 D1 [) Z5 b
&dp,
9 x5 z( _4 `- R% o' N NULL,
A* ~: O) V" V6 M &ei,
& w; Z! ?! \3 r a4 ^# ^# }8 m &uiErr);
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, F7 h$ X$ ~4 q: o( O% B' y4 I SysFreeString(topicStr);
/ w5 }4 `3 Y I# d- g1 r SysFreeString(itemStr);
3 v3 w4 W! L' N& z. g A SysFreeString(valueStr);2 s8 M6 i' O2 ?% p
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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???
4 x& Q3 j, o- [. t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????" c5 ?7 p* U) j2 a# Y: G* e( n! z
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2.这是request的程序: C1 l. N, |2 W. b5 V* J2 }
// Request a value from Extend/ U0 \) e9 u, g6 k" b
//
/ _; J* o& Y" `/ E5 V# n$ t$ O6 ^" f8 f4 V// Initialize the variant that will hold the BSTR. Set the variant's L, q9 J7 V8 ], h3 j2 n
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 J( \' r( \! v9 E- v2 n// 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");- x: A0 @$ F# s+ ?2 e! Y
VariantInit(&requestVariant[0]); " p* }2 `# n' m# w& d, |5 q
requestVariant[0].vt = VT_BSTR;3 @+ C A% P( l3 s w) F, B# g
requestVariant[0].bstrVal = itemStr;
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" O& G, B% f, i4 V topicStr = SysAllocString((WCHAR *) L"system");
2 T) F" |! ^- ~# Z, U# X2 d9 `. I' v7 J VariantInit(&requestVariant[1]);
, o- V# N$ s+ x/ }& V requestVariant[1].vt = VT_BSTR;
9 v3 V0 W2 N3 F8 x* R$ L requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
- e9 u# z: t0 s$ z dp2.cArgs = 2;- y8 ^+ n; E" f& m8 q6 T
dp2.rgdispidNamedArgs = NULL;
* V# z+ F( O' q/ e' `2 k* t dp2.cNamedArgs = 0;
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# b; ^( {7 p( u8 b I var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()7 e& Q/ A% A5 R- J4 {' W
; Q. \6 k6 X5 Z; ]( t6 R( b d# U2 z' { hr = m_pDisp->Invoke(0 {/ ]+ j! @# O& W, j
requestID,! S t4 Z0 V( W: _% U) M' U2 F
IID_NULL,1 @$ X6 o ^2 s; u- O1 u
LOCALE_SYSTEM_DEFAULT,
- n3 N8 Q6 D c7 ]% i- J% m" k DISPATCH_METHOD,
6 @% X& p6 X7 S; S, g6 P &dp2,% t! g+ C9 J: b8 `, d- p% g7 k
&var,. y9 y" m' u0 w$ v' p& l) \5 U
&ei,# G& M8 E) z6 q) H& c# f; A
&uiErr);
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; c7 x4 x0 c# g2 ^ @3 Q2 u+ m- H SysFreeString(topicStr);
) u" ^& l& M0 a4 z0 V8 R SysFreeString(itemStr);. b: ?3 t& B# z n
请问该程序是获得extend里面的哪个值?/ z- w5 W! s* M+ ]- x+ I' I
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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