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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:
( y8 |2 o6 _: s1 MName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames () w6 B- j* H' i' z5 I9 w1 N O- G
IID_NULL, // reserved
0 B. k5 p, u# O1 O5 g% V& y x &Name, // Array of names to get IDs for
6 H1 l9 W% Y( _% K7 y5 Z2 h. n, |; v& o 1, // # of names in the array7 y* v$ x3 Y4 R* W/ w: I
LOCALE_SYSTEM_DEFAULT, // System locale
4 l/ M7 k8 S" F& q' d4 W$ K8 f/ @1 u &pokeID); // Array of IDs to fill on output
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) P7 b/ Y% F# _& e' Z0 K& z0 K! |2 j. C if (hr)$ E, s5 g7 |4 p6 i$ R5 I
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MessageBox ("Get Poke Unsuccessful");
$ D$ L( X6 t" F! R* _/ w return;/ s* x7 d( z+ @1 l' m+ E
}
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3 c$ Y/ V, o2 i( u/ B/**************************传递数据给extend**************************************/
2 h! R, O& n8 H. R6 K3 ?3 Y5 l6 ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");; c h4 H7 l+ V- B. u2 p
VariantInit(&pokeVariant[0]); ; K9 \8 z! h* a9 K& C
pokeVariant[0].vt = VT_BSTR;
* v& y+ P% h/ w" n* S pokeVariant[0].bstrVal = valueStr;& m7 J- I, M9 I. p# J7 h- f( O" d
7 Z3 M7 i/ v$ _# K+ S* T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 B4 v0 K! J U7 X4 I* K8 L$ d' `- U VariantInit(&pokeVariant[1]);
0 ^5 g% ]& N. ^" _2 s2 n pokeVariant[1].vt = VT_BSTR;6 [: X. |" U' [( R
pokeVariant[1].bstrVal = itemStr;
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/ C% F% J3 g, Y) D+ | topicStr = SysAllocString((WCHAR *) L"system");0 E4 z. q+ {- L
VariantInit(&pokeVariant[2]);
' [% B+ x7 [6 h) h* C2 X. z f& H pokeVariant[2].vt = VT_BSTR; `& f( }) c6 z& G3 t% k& G0 I3 ]- W
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;/ v9 V0 a5 ]6 U+ x! ]; m: J
dp.cArgs = 3;% P, ?/ z, A3 e; R0 F( J
dp.rgdispidNamedArgs = NULL;' L! C" Q$ h. ]: m
dp.cNamedArgs = 0;/ x, h5 h1 n( z" t' o8 |
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// Call IDispatch::Invoke()
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+ r3 O4 }3 R9 `! [6 ?2 G hr = m_pDisp->Invoke(% g4 u" i: Q7 j' s, N4 r& N3 S
pokeID,
1 l5 s8 V/ a" p& y) c/ T5 q% } IID_NULL,# r& q2 V6 E3 A" q1 y
LOCALE_SYSTEM_DEFAULT,: T; {; L! X' }
DISPATCH_METHOD,6 f3 A& S1 G0 }# d7 e0 x+ w
&dp,! y% ?' ^! s- y. }" m
NULL,0 `4 H( p9 P& o0 o; J+ j; q
&ei,
8 `7 e# a" A- I &uiErr);! I$ I0 S* `. ?6 b6 S7 o6 @
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SysFreeString(topicStr);
$ z1 \; F' A8 B SysFreeString(itemStr);% J+ v v! z; u3 h, o; u0 g* `
SysFreeString(valueStr);
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[1 O9 B m: m( R+ Z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???
5 r! p* u( ~( Z2 R9 V5 `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8 h% c& M) n3 j* [3 U2 e4 {
// Request a value from Extend( W, F; m- c* u2 ]! P
//
" ^# ~1 U8 x; R9 k" K Y! a// Initialize the variant that will hold the BSTR. Set the variant's
1 Z! W$ |2 x' g// type flag to indicate the fact that this variant holds a BSTR. Place the
$ t4 O7 o; q O7 }// BSTR into the variant structure.
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8 h3 ?- F3 ~* c2 n4 ]: E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 W. d. r$ _. @ Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% X9 M' E5 h* `0 G1 U VariantInit(&requestVariant[0]); $ K; }% h2 D! [; |: A% b
requestVariant[0].vt = VT_BSTR;
' Z1 X& p e% Z requestVariant[0].bstrVal = itemStr;
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+ ^2 o0 Z" h+ J6 s; i$ A) N8 Q7 Z" f topicStr = SysAllocString((WCHAR *) L"system");
/ P" o# j! \% h1 j: {4 w7 M VariantInit(&requestVariant[1]);
. L' d; U9 x( ?3 M f requestVariant[1].vt = VT_BSTR;" z+ b' B; W# A
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* k& C% ]- O; \% g, |8 `% T
2 F* _. W' E( U8 _1 R$ r0 }9 l7 s6 l6 I dp2.rgvarg = requestVariant;2 W+ M9 v7 h( q/ l2 W' C$ T! Z
dp2.cArgs = 2;! U5 ~; V& y4 k0 T
dp2.rgdispidNamedArgs = NULL;
- c2 K M8 Y' Y2 f0 o/ ~ dp2.cNamedArgs = 0;
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3 e. ?1 |+ Q( O var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(). t0 F k! q9 g5 }! N
8 b: h3 ]+ o. G* B t hr = m_pDisp->Invoke(
' x& }0 o8 ?8 t! X6 P; s requestID,
( {0 |$ T2 S9 M IID_NULL,
& X3 f) r5 t H# Y$ `" K LOCALE_SYSTEM_DEFAULT,. N0 c: f' s8 w( [. T- ]+ S
DISPATCH_METHOD,6 S0 y7 Z) N. F% H
&dp2,
0 n! C( a3 P8 l &var,; p& v+ P4 [/ }9 W O1 o2 R
&ei,
2 Y: _" x4 w' r! @& i3 [ &uiErr);2 l, F0 H( C8 e
, F% ^2 v% ?* k& V' S$ R8 ` SysFreeString(topicStr);1 W: ^5 |$ _: }6 C0 Z
SysFreeString(itemStr);
1 {* v" l, }8 |& ]) o" e请问该程序是获得extend里面的哪个值?
9 C6 ~ { X8 K6 c- ]$ q& @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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