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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:
7 x( ~ {6 s( T9 m/ |! T lName = (WCHAR *) L"Poke";
6 V3 m- o6 }; K; a5 k$ i0 T5 f: b( K * D9 G3 U& ^& K/ s& W- B
hr = m_pDisp->GetIDsOfNames (2 V: f& E5 Y1 ^) r" j9 F6 _
IID_NULL, // reserved, i% o/ ]2 E1 G& O+ O" T
&Name, // Array of names to get IDs for8 r+ T: N( w/ {( C" |
1, // # of names in the array
+ t3 l# H6 z+ \3 R LOCALE_SYSTEM_DEFAULT, // System locale" C. }3 j# i( N9 b
&pokeID); // Array of IDs to fill on output+ P/ m0 ?* k) O" ?
4 g! f7 V' f- J2 D J if (hr)
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MessageBox ("Get Poke Unsuccessful");; k6 R o, M# m* l8 b6 _1 J! s+ w& u
return;) a9 [- d# ?3 `- |0 P7 w* ~
}
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) z7 {7 f$ Z- [3 Z/**************************传递数据给extend**************************************/; a5 C7 p: b4 c. n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
( f1 _' H9 k) g- P4 \, n VariantInit(&pokeVariant[0]); 4 @0 c: L: L1 }7 x! n- {: x
pokeVariant[0].vt = VT_BSTR;
9 y. o1 l$ S8 w" E7 N* a pokeVariant[0].bstrVal = valueStr;8 y: q" ?) j4 c" b( ]8 T
. u% {+ x+ \. i H: K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 D( Q* [7 t- m; l
VariantInit(&pokeVariant[1]);
" ^. E. ?* k1 O5 W pokeVariant[1].vt = VT_BSTR;
; s+ j |: r# v6 n! a. L pokeVariant[1].bstrVal = itemStr;
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& D9 {- `; J8 a1 Y) F' v4 d topicStr = SysAllocString((WCHAR *) L"system");# w& C" A' _5 ], ^- n0 N
VariantInit(&pokeVariant[2]); 7 v$ W8 N- V, U& W$ E
pokeVariant[2].vt = VT_BSTR;
! h T- ]4 i: k' Q pokeVariant[2].bstrVal = topicStr;
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' L8 m+ X$ J1 W// Set the DISPPARAMS structure that holds the variant.6 o1 m5 [! i+ f' s: g. E
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dp.rgvarg = pokeVariant;
1 G. r" z; N4 { dp.cArgs = 3;
- o6 l& y0 U' e- m1 V dp.rgdispidNamedArgs = NULL;
! G) E6 h% T9 }6 {! D dp.cNamedArgs = 0;
; v0 R3 Q0 e% p2 U
+ E( l/ T8 M' N6 Q, R1 E6 z' _3 F// Call IDispatch::Invoke()
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" c) ?1 ~0 M2 A/ Q hr = m_pDisp->Invoke(- A3 }0 G, e* Z- t' H
pokeID,
% f1 y4 z3 X9 h( Z3 P, t( s IID_NULL,# P: ~/ b7 Z- K2 `( a, k) K' H+ d2 c
LOCALE_SYSTEM_DEFAULT,% H2 D1 |+ P8 f
DISPATCH_METHOD, Z5 [5 [5 v7 n. } y) t8 e5 Y9 |3 Z' d
&dp,. R/ X! ?9 K; n$ i
NULL,
8 ]3 l' d( m' X' i" R &ei,+ t) H0 |! W U" f& H
&uiErr);3 b F; F: ]$ e$ p: y* P, w
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SysFreeString(topicStr);
* I+ W9 l" N6 f/ b/ }7 | SysFreeString(itemStr);
9 C8 o* F; p. Q1 D1 t& S SysFreeString(valueStr);
$ O( o9 r) l: W# o) m% W2 c
$ y8 q. s2 [7 I$ |% Y( N( f9 h! _% K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???2 Y9 V% t7 y! k; d, E0 Z
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, i8 O' u# ~! }$ v9 A
// Request a value from Extend6 q, @, W$ j9 F" y
//
" A1 ~% `% r6 H) Q" C3 \/ d// Initialize the variant that will hold the BSTR. Set the variant's0 ?, ]& f, [. T3 |& }+ s8 Q9 ~/ p1 b
// type flag to indicate the fact that this variant holds a BSTR. Place the
N) i* C2 z8 K0 Q, E: b; R// BSTR into the variant structure.( F. G* W* X' ~0 h. m! S0 }
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; Z/ f8 `$ q' v" }% S0 w9 O- j
M5 h5 ^& a" `( V8 f3 b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. t0 ?2 [! P$ w) n; l2 { VariantInit(&requestVariant[0]);
1 B( m3 [2 t: q4 s requestVariant[0].vt = VT_BSTR;
& s) A) s2 M9 p* W9 J6 q requestVariant[0].bstrVal = itemStr;) h4 {8 [$ Z. m* @" @
; S" m6 V* ^8 n8 z
topicStr = SysAllocString((WCHAR *) L"system");, @; I! Z( J0 V8 L$ {( R
VariantInit(&requestVariant[1]);
% f4 J- s! _- U requestVariant[1].vt = VT_BSTR;
9 s7 l+ u$ r6 A& |1 g requestVariant[1].bstrVal = topicStr;% e6 e7 n) z4 q6 b8 m( O
% D/ k: J0 a2 L( ]7 F* l# p( ?5 c! [$ y// Set the DISPPARAMS structure that holds the variant.
# |8 z6 v1 y W3 C
' T2 y' E& t0 H( N3 X0 s+ ` dp2.rgvarg = requestVariant;
& k4 D! z% I& A. a$ O; n dp2.cArgs = 2;) U* \$ h' Z0 x9 |
dp2.rgdispidNamedArgs = NULL;
" ?5 j/ R* l+ U+ f; l7 F2 `5 c) e dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;: {$ \9 l; X9 L% A% d. }
y# x8 y& g5 L, V1 d7 z( [1 X$ w# B K5 z// Call IDispatch::Invoke()
& n6 n. A' v' }2 F7 o& n5 R) F n' ^, w/ j% `
hr = m_pDisp->Invoke(
' Z7 l+ X$ b. u& b requestID,
) d" i, V/ U t8 ~+ w IID_NULL,
& V1 E8 Z C- l" r2 { LOCALE_SYSTEM_DEFAULT,3 T0 T) | T: B3 x0 s( D
DISPATCH_METHOD,
* S$ f4 |5 d/ D, ~- o- f &dp2,# M9 {/ _5 L& s5 p- C+ q* N1 v1 x i
&var,
& ^7 v3 M% t! H &ei,- L" u. L# k. f. E# C
&uiErr);$ ^ W: Q7 V& m) j: i. a8 v
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SysFreeString(topicStr);
0 p2 i5 `( y8 n7 c- \ SysFreeString(itemStr);
: p ~5 J( r+ i请问该程序是获得extend里面的哪个值?6 B- y' j+ ~- y0 F% j$ ]
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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