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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:
: O4 G8 j, d5 Y( ^: BName = (WCHAR *) L"Poke";2 U6 V8 _9 u9 g: w2 d) o6 ^" S7 w3 s
& Q' ~3 c' U9 f# o, M* A hr = m_pDisp->GetIDsOfNames (
- S$ ~ Z% }; j2 K IID_NULL, // reserved: }0 e) n3 l- n& c) E* ]4 ]2 g% { G
&Name, // Array of names to get IDs for/ Q- q% |9 R$ U, p7 E! {
1, // # of names in the array
( l$ y1 i" h4 L6 ~$ H! g: X; U LOCALE_SYSTEM_DEFAULT, // System locale
2 |7 J$ V) G1 _ &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
* z( r9 f0 h5 x+ }* K return;
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* e! j" U! ~! C6 S/**************************传递数据给extend**************************************/
( E5 l' d0 j' s8 Y1 S9 a2 N/ R8 M pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
; t3 \" Q! r9 D/ a. K3 U- g
9 O4 Z4 z. j6 ]- p9 A: ~ valueStr = SysAllocString((WCHAR *) L"1232");
0 ] q( @4 s9 T% f VariantInit(&pokeVariant[0]);
# I# B' H" C- J: N. \( E pokeVariant[0].vt = VT_BSTR;
3 {/ O1 [; i1 d; t pokeVariant[0].bstrVal = valueStr;
2 \% H/ M" N* X. e* Q# V2 t) A+ h; g- a) d3 H! A
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 E+ W4 } w- W0 D! a$ l2 ] VariantInit(&pokeVariant[1]);
% H) D5 O4 F6 o: |5 x6 g! S pokeVariant[1].vt = VT_BSTR;& _3 m* }3 z+ u2 k' a
pokeVariant[1].bstrVal = itemStr; E% X3 E% R6 S2 e2 |- N* h
- g9 E/ g$ S( {( a+ [; @6 G topicStr = SysAllocString((WCHAR *) L"system");
( e0 y( d q4 m+ W/ B) L VariantInit(&pokeVariant[2]);
$ L! E% `: b- M pokeVariant[2].vt = VT_BSTR;5 K+ z: n9 N$ L; m M. a2 }+ z
pokeVariant[2].bstrVal = topicStr;
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- f' T+ U, S2 w; V// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;; x! l. c& p/ k! H% @+ B
dp.cArgs = 3;/ v1 |- A# N2 J8 U% l: U6 f2 d6 r
dp.rgdispidNamedArgs = NULL;
- b4 e1 |6 m. U, [( Y dp.cNamedArgs = 0;
$ B! v7 `1 P+ t( D. m" \
; u( R: b' b) ^+ T% Z5 B// Call IDispatch::Invoke()) ~" ~+ i4 s3 a# @8 D8 ], N- W
7 A/ T% F( G2 [- J0 O, `( C4 j hr = m_pDisp->Invoke(" m F8 B+ [- E6 p" B, p
pokeID,/ s1 R2 j& F) i: T1 k2 c( `
IID_NULL,) |9 J/ D2 a( [3 k
LOCALE_SYSTEM_DEFAULT,
& T2 o: O( C7 u( E: L! ]0 c DISPATCH_METHOD,
: H2 a9 w }: k- a+ s9 d, N6 V+ S+ g &dp, a# B, Y$ w% g9 x
NULL,# t' m' {5 w* c( e0 m( ?0 y4 v
&ei,
1 l; [/ n% J7 h. M! x &uiErr);
" B3 m2 J+ r4 W* K3 e, M1 [- H
: ^1 ?7 H+ s/ ^/ X c SysFreeString(topicStr);% p& m+ E+ K! C) p
SysFreeString(itemStr);# V0 | D7 {: ?8 c2 t' C' b
SysFreeString(valueStr);! ?+ i" k' m" w6 I! F, V& a% Q: P
. } ]8 ?3 h! ^* t8 j
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???
$ F2 i& {& F5 a q3 ]$ 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????0 t* V' m+ _$ [6 W; y1 s& [
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7 J" b3 b; V* c) h+ \3 \2.这是request的程序
% v( b) Y H# p! \// Request a value from Extend
6 o/ K, _4 T% H& O" v" [+ j! Z//
3 R7 X4 K e5 q5 T$ G; u// Initialize the variant that will hold the BSTR. Set the variant's$ ?3 m3 T( c# F) i" Y2 V$ J& v
// type flag to indicate the fact that this variant holds a BSTR. Place the9 ]' n9 r4 y7 L, M) B+ M1 P0 ^
// BSTR into the variant structure.
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- P5 m/ X7 T6 ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! d7 s3 s" u# c& i: _' p
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 ?3 V( S+ o5 Y; }0 h
VariantInit(&requestVariant[0]); j, J- [. k' w+ i
requestVariant[0].vt = VT_BSTR;
$ B# ^+ z" _- ?) Q2 g% A requestVariant[0].bstrVal = itemStr;' i1 F% f7 j5 P, D" V5 k
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topicStr = SysAllocString((WCHAR *) L"system");
+ c% c, J) x5 Q: q3 F9 d VariantInit(&requestVariant[1]); * A$ g5 T( k$ q9 }" r' g$ n
requestVariant[1].vt = VT_BSTR;$ K6 ], ?# K! _7 \- i% X
requestVariant[1].bstrVal = topicStr;1 [5 Q3 @, O0 M$ }6 t; a. v5 K/ a" s
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;- e* r: }& A9 f3 ]( j8 P! ~: Z
dp2.cArgs = 2;! e& L j2 H' Y2 f2 n; ?
dp2.rgdispidNamedArgs = NULL;( h9 ~. D1 U7 ?, _1 U
dp2.cNamedArgs = 0;9 B% J( c, o( M% Q, S; M+ l0 I
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 y! Z1 M( G0 U3 \. ?$ }
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hr = m_pDisp->Invoke(" O* B r4 V! P3 I
requestID,
9 @; Z( L- D/ |! W IID_NULL,/ \! N6 [* O$ c: l% g( Z( S1 `6 L
LOCALE_SYSTEM_DEFAULT,
+ t6 y U0 z2 }) O DISPATCH_METHOD,6 `% Y" m0 t$ `
&dp2,
4 r' k5 g. K) S8 y &var,1 G0 @. d$ L8 S4 w, e4 O l
&ei,; o9 J+ Z z+ g% ~) n0 s( G! D
&uiErr);" i: a* B% j0 p* Q, @) D$ W! H
* C9 l f, W% R5 k% b/ O SysFreeString(topicStr);& T/ n) {4 N* m* a* F
SysFreeString(itemStr);
) ]0 m& R) n' ~& {" e请问该程序是获得extend里面的哪个值?
7 n! V: E+ m) R4 ~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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