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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:
$ e/ E) m4 s# k# ~Name = (WCHAR *) L"Poke";8 r: H% d6 y" y/ X1 {
5 I6 S: A! K1 ~" b; L6 C hr = m_pDisp->GetIDsOfNames (3 X- q' _2 S- }+ D9 i1 e4 }
IID_NULL, // reserved
; x. v5 ]+ j+ h% }" K9 r1 X &Name, // Array of names to get IDs for% W9 U; b& |( I5 `( [7 {3 P
1, // # of names in the array
: P+ i( j: c" R4 ~. U. n' }5 d$ [( J LOCALE_SYSTEM_DEFAULT, // System locale
+ ]0 W: X6 A: j+ ~# F &pokeID); // Array of IDs to fill on output# [& W z/ F- i, p! t# V
' n9 A' h1 L- R1 t if (hr), ~2 ?/ N; a' b/ g5 P L8 ?
{2 m: G" G& _% e7 }7 y/ B" o8 q
MessageBox ("Get Poke Unsuccessful");
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/**************************传递数据给extend**************************************/
: e: S3 U. x3 G) `2 V* j5 \4 g pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 h9 i% i6 I h" K$ U7 v0 Z
% s' w8 c' }- ~) ?8 ^' A0 }6 A+ u valueStr = SysAllocString((WCHAR *) L"1232");
' {) {# X% i: e [% l5 Z VariantInit(&pokeVariant[0]);
+ y+ D/ }; p" w8 R: h5 ~$ m e" W pokeVariant[0].vt = VT_BSTR;* h/ c7 w* ?( P; U% P! v. `3 x/ O" S! d9 h
pokeVariant[0].bstrVal = valueStr;
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6 ?6 B5 z5 k: {& A4 I: L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 Z: M5 K( L- T1 U VariantInit(&pokeVariant[1]); / r; R6 t5 T2 T5 b( v
pokeVariant[1].vt = VT_BSTR;
4 m) B+ Z1 t; [$ @, f' p- V8 ~! X pokeVariant[1].bstrVal = itemStr;
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2 H2 R3 m& G# z9 h+ U- q. W topicStr = SysAllocString((WCHAR *) L"system");
' n- G" j1 R7 Z; h6 o VariantInit(&pokeVariant[2]);
* r* n; @1 R( Z% W. l7 a pokeVariant[2].vt = VT_BSTR;
4 N% W& y" q p8 k) Z) _ pokeVariant[2].bstrVal = topicStr;7 F4 I5 ?0 h" V% _8 T
; i' L/ N! m' s// Set the DISPPARAMS structure that holds the variant.
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7 J; J/ b4 r- b5 h1 `, @+ p dp.rgvarg = pokeVariant;7 B/ K$ K3 n1 E% k# @# `
dp.cArgs = 3;4 T5 u+ H& `1 Q$ T$ j9 R
dp.rgdispidNamedArgs = NULL;
1 s2 a6 u: I% {3 u" d+ U, g) E dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
8 F+ q2 y* s* y pokeID,
5 s2 o9 a. o0 o$ H4 ^ @( [ IID_NULL,
- e! @2 i" l0 d$ j LOCALE_SYSTEM_DEFAULT,
+ \& U0 u5 T# |7 J DISPATCH_METHOD,
( I4 m6 L# }. U% _ g4 \- _ &dp,0 N; f3 ]5 W/ ^
NULL,9 U7 e6 r% e0 T; p; X- K4 e8 H
&ei,
) e) c t+ w0 v: \7 O &uiErr);: a2 Y. q6 u7 x$ H' T
% L/ ]) u' E& |1 D" Y$ X3 K3 k SysFreeString(topicStr);- J: F- N' h3 g
SysFreeString(itemStr);
5 Q2 Z% m# A3 S8 J. {. a SysFreeString(valueStr);
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7 y( A8 i# h6 c5 m: w- G. m& r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???: K. v; I) v7 ~. M7 _# w8 N
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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; }# l6 T/ V. u2.这是request的程序
F5 ^* m3 W; o# g// Request a value from Extend5 _8 m' t- Z# _! T7 J/ ^
//% V0 \* z4 Q! r: B% }
// Initialize the variant that will hold the BSTR. Set the variant's
( J, T( H" Z8 N// type flag to indicate the fact that this variant holds a BSTR. Place the
. J6 a5 C' G4 V9 Y3 K' D// BSTR into the variant structure.) `! e4 B2 u) h2 Z! K
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ E- A* E; `3 D3 a1 Q1 _3 } VariantInit(&requestVariant[0]);
- ]) ~$ ~- }$ g" u7 i0 }: f requestVariant[0].vt = VT_BSTR;- W5 I, C) f& d; \, a
requestVariant[0].bstrVal = itemStr;
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! `# T! f+ e& B" W6 o# V! e topicStr = SysAllocString((WCHAR *) L"system");
}( a9 z3 _' R7 r VariantInit(&requestVariant[1]); " v" }( v4 a# j6 f
requestVariant[1].vt = VT_BSTR;7 d& u: j. |8 O% J
requestVariant[1].bstrVal = topicStr;
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' l% ]* g! P, ]// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
2 t0 o4 Q/ q. [5 j dp2.cArgs = 2;
( T6 k$ l, F- d/ Y: J1 h" ` dp2.rgdispidNamedArgs = NULL;
5 C3 e+ @6 T$ Q$ t+ W0 _+ l dp2.cNamedArgs = 0;! }/ l( x* } m$ P. v* _# v
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()3 Q+ f, _& E+ O; x) H9 I
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hr = m_pDisp->Invoke(/ \2 G* c' v0 T2 x
requestID," ?2 Y$ I. ~( s! R! s1 ?
IID_NULL,' t; @) N* A+ j3 R
LOCALE_SYSTEM_DEFAULT,6 \0 W3 i( ~, m, K6 v3 u
DISPATCH_METHOD,
. Z1 e+ `4 |: }2 v3 g7 I/ W. { &dp2,
5 e+ T2 H1 Z- _- ~* R9 J &var,
" `0 l, ~6 @" W% w &ei,1 u1 Z% g. b* ]7 P( e
&uiErr); E' ]2 j5 w+ E% H3 G
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SysFreeString(topicStr);
5 y2 c3 y+ `! ?6 C7 } SysFreeString(itemStr);2 ^$ X% ~ ~8 J/ _. b
请问该程序是获得extend里面的哪个值?
% {# L8 d4 _3 @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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