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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:) A0 A; V5 o7 q2 k/ Q
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
6 V9 r( G; C7 f& F IID_NULL, // reserved" G# {: w2 p, ^) w5 l5 ^
&Name, // Array of names to get IDs for/ ~8 V3 E* b# D9 q; O a
1, // # of names in the array7 @/ }( O7 @/ e9 D9 [7 {9 m
LOCALE_SYSTEM_DEFAULT, // System locale
" `6 i/ E# X" B& ? Q, d &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");0 u' B5 O+ u8 p
return;
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/ h: }3 h- r3 a- L+ Q4 M$ N/**************************传递数据给extend**************************************/1 b' J9 E6 {0 d- }8 Q9 L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");5 e& V. I1 O$ O0 o( G' }
VariantInit(&pokeVariant[0]); + A2 K# n8 W6 S, o" R- s
pokeVariant[0].vt = VT_BSTR;
# m8 {6 h- _( h5 m& x! W a pokeVariant[0].bstrVal = valueStr;& |# }0 i6 Q G6 e6 N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 s* w1 W, y8 g" q) U. g+ a& M4 |
VariantInit(&pokeVariant[1]);
+ t2 ?6 v' Z) L1 z pokeVariant[1].vt = VT_BSTR;
$ p Y& B* M) D, ?7 U4 U pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
3 o$ l7 q5 z5 Y" q4 x. } VariantInit(&pokeVariant[2]);
; R; X& `8 `1 y; I pokeVariant[2].vt = VT_BSTR;
. f8 T* Y; `$ S' R5 O) b3 q pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- U- @7 [8 T& w7 k( R L9 Q u
" v2 m+ N- p- V& ~. p0 W: h; r dp.rgvarg = pokeVariant;
2 o. j+ r6 H I9 X- a1 D' K/ C dp.cArgs = 3;. P; t! _: [$ ^, Q& j" Q
dp.rgdispidNamedArgs = NULL;5 g4 j1 A. f( b( l* L+ G
dp.cNamedArgs = 0;, {# `" O: ]9 Z% O+ x0 ]0 W
. a, c M: f* r7 |9 |// Call IDispatch::Invoke()& P6 j9 n& h& Z% ^7 Z
; V Z- E+ o9 v5 }$ j% ^' y' C hr = m_pDisp->Invoke(# ` p# j' u/ A0 S2 U6 O# w
pokeID,
( y$ L9 S+ J8 m9 P IID_NULL,% S; G. R; B9 s) x m
LOCALE_SYSTEM_DEFAULT,7 i* m) s; W5 { j) A) X! @
DISPATCH_METHOD,
T* e5 O: v% a1 M% t &dp,! {: j C3 h6 k, y
NULL,
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&uiErr);
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4 g2 E- @) V& P- v j4 i- w( v SysFreeString(topicStr);2 s. c1 p5 Y5 _) M
SysFreeString(itemStr);
" u( F7 }# W G4 ?. z SysFreeString(valueStr);7 m! K c z; Z" w! f! W: L
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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???- l7 i4 L" G+ \& b# D2 Z/ R
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????2 i$ ^2 Q+ F8 K6 V9 U( l
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; }% S% t' a- a$ O+ p5 k; f2.这是request的程序
" {6 ?' R) c% {+ @2 p9 u. t& J// Request a value from Extend
4 c+ x8 s- j- g( h* I/ t" K$ U//
% y0 ^$ G* C% ?; t1 Y7 _) ~// Initialize the variant that will hold the BSTR. Set the variant's
4 w; w3 e# Y) m, K// type flag to indicate the fact that this variant holds a BSTR. Place the
# A4 \$ Y( j, C0 g g( o// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 R- |) i. y: h1 L* D0 M. J% e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' X# V2 c8 G+ j, J% a VariantInit(&requestVariant[0]);
4 z: u9 p+ j# W8 ` requestVariant[0].vt = VT_BSTR;
5 Q# O6 F) u! ^: S# C requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: J9 ]# e m2 a3 [ VariantInit(&requestVariant[1]);
' j8 c& K8 r' a, B) T" A* I requestVariant[1].vt = VT_BSTR;
8 K' q! I( {5 m5 D requestVariant[1].bstrVal = topicStr;5 A9 |. a; a9 X' X2 x; U) N* ]* w
* y3 E) `* N% |" g9 O: h6 S" o// Set the DISPPARAMS structure that holds the variant.
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- i: g, K& B) g1 Z dp2.rgvarg = requestVariant;
. u( @; U' b' n; u) ?- X5 n dp2.cArgs = 2;
" z6 @- ?8 x$ d+ A3 p( w dp2.rgdispidNamedArgs = NULL;
+ f: e/ Z7 m. ]# d1 e z9 e dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;1 X' R# F3 x/ F4 F: Y
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// Call IDispatch::Invoke()& B" D+ X9 H( X$ W; D
h6 W$ t4 v: W8 E V hr = m_pDisp->Invoke(
& Q3 p0 @3 }5 X. q requestID,
2 n: I0 m5 K- h3 o- f4 }5 m IID_NULL,2 F7 j/ T! W$ N! g3 E0 \0 ]/ \0 U
LOCALE_SYSTEM_DEFAULT,
& i5 ?+ m$ X, b0 o DISPATCH_METHOD,
0 `( h2 w( t$ R- p) P! a& W &dp2,5 L8 u& V! `% S7 N- n
&var,- j& H* M; u* }0 R
&ei,
% |# o/ B+ C* h% S) }* v &uiErr);" l* I: i8 V% S
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SysFreeString(topicStr);3 z. A( n% _9 j; V! f
SysFreeString(itemStr);* I, q) `+ `5 _: `& [4 i2 H1 _
请问该程序是获得extend里面的哪个值?# q" i: j* x! ^/ x9 x6 p) n. 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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