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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:
6 X) p/ M/ B+ HName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
" C( X5 x7 q4 m5 s) C4 V% c) L IID_NULL, // reserved
9 V: `$ y7 O( S3 {0 w3 X) f &Name, // Array of names to get IDs for1 v, E2 p) q" _' B) X
1, // # of names in the array
9 z6 D4 x- S4 H1 j }/ G# i4 b' O LOCALE_SYSTEM_DEFAULT, // System locale
; G- V9 r% F2 \0 J: @: y &pokeID); // Array of IDs to fill on output
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' W0 E+ B* L6 b3 x% S- b( O! r if (hr)4 F* r3 u w0 y: a
{
7 Z! z7 }# a* h. R6 x MessageBox ("Get Poke Unsuccessful");, ^( d; j: H3 l J0 g
return;1 c/ y W1 V/ M+ i
}
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6 i& T7 N! o$ ?4 c5 X/**************************传递数据给extend**************************************/) q: o, P! A, _+ V1 v
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
" U; Z# w7 y L/ f0 i" v- [
6 M, E! L W( C4 S' v- e valueStr = SysAllocString((WCHAR *) L"1232");
6 {9 w' n3 ?7 u8 T j VariantInit(&pokeVariant[0]); 0 E; f! V1 h3 I) k
pokeVariant[0].vt = VT_BSTR;
8 _2 e* c1 ^/ e+ r6 A pokeVariant[0].bstrVal = valueStr;5 z4 Q- p' r6 M
n: j3 z: x& J6 U, u0 Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 F. G% e; N+ _1 i& E4 j% `$ C VariantInit(&pokeVariant[1]);
F4 t% c0 f+ Q) R' Y pokeVariant[1].vt = VT_BSTR;
# u2 s4 |6 O: K2 o K7 C% U pokeVariant[1].bstrVal = itemStr;0 B x D: _! x7 {& t1 f# V* f
8 T3 C" D7 W: O; I: b topicStr = SysAllocString((WCHAR *) L"system");. T: s( K$ i! Y0 n9 |& n( i3 _5 c
VariantInit(&pokeVariant[2]);
d1 v' q- n; O0 R pokeVariant[2].vt = VT_BSTR;
/ H' T* V9 u J# ?& E$ _# ^! s pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: M% e; l( c# [
" N) O6 Q2 x! ~+ C dp.rgvarg = pokeVariant;
' U9 p/ y* q# [8 W) A3 B* m9 a dp.cArgs = 3;0 A. {" _; `7 F5 _& f
dp.rgdispidNamedArgs = NULL;
3 Z, o8 F6 F5 ]6 D; |& R dp.cNamedArgs = 0;1 U; B8 J3 Q: T% M; }* W
/ C- b' w1 |0 h// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(: K6 g& G) Q) P3 q+ B
pokeID,0 L! M" C. D7 q1 s2 i6 d
IID_NULL,3 ]: C* u; o/ g/ }- x: N9 J
LOCALE_SYSTEM_DEFAULT,3 h8 {9 H0 s& A
DISPATCH_METHOD,
- V2 y+ m' p( L+ T# m# J4 ~ &dp,4 _) Q8 C8 ?0 f& b/ h4 b
NULL,
) c: X _( m- o& ^8 o &ei,' [0 R. V+ J# D
&uiErr);
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SysFreeString(topicStr);4 L; ?- D5 ` c% k# j* i
SysFreeString(itemStr);
. j. `4 z* N3 O5 V# ?1 F SysFreeString(valueStr);
' H3 Q! C6 T, y2 r
0 S8 G7 p$ [2 x9 a, H+ F6 W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???
( m5 q8 t- h: d, o$ |7 C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5 ?- A, L: q3 K7 G* T
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's$ [& D/ i3 ]9 b* L' P$ C
// type flag to indicate the fact that this variant holds a BSTR. Place the, g2 o+ e$ r0 t# E6 l# z5 p9 `
// BSTR into the variant structure.8 S ?+ {+ e) e! Q6 f; R# i6 g+ ]/ k
' w5 T7 T& o8 i& Y( i T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
7 t; C& M+ M/ i" w. Q * @7 b9 ^! X5 o* K. ]
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 q8 @. v0 ^0 _' s4 r1 ?$ ?/ ~ VariantInit(&requestVariant[0]);
6 m# J4 J1 v! O& [+ U5 G; l) B requestVariant[0].vt = VT_BSTR;
1 T) z" H# d- A0 Z requestVariant[0].bstrVal = itemStr;' o& O8 M9 r3 @* a/ u$ t5 n5 X
! l1 G; }2 k. l% Q& A- w topicStr = SysAllocString((WCHAR *) L"system");9 ^4 U5 i# S8 j' @4 N7 d' U
VariantInit(&requestVariant[1]);
- K( X" W) L: T9 h9 W requestVariant[1].vt = VT_BSTR;
5 f8 u* o3 E4 B5 o2 m4 b, e requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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- N& X' L# L/ T! ]% k+ F: z* D dp2.rgvarg = requestVariant;
- n. b& F7 t! @# u A( g" F" q dp2.cArgs = 2; V& K7 }1 C# V9 [# [; }3 U: S4 J5 Y
dp2.rgdispidNamedArgs = NULL;
, K J" V# l8 ^ dp2.cNamedArgs = 0;" V8 C, J9 J/ U! F8 q4 S/ R
5 ?9 W9 Y( T1 C4 K var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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M# C. t( E; e( `% u: z2 l& u) P hr = m_pDisp->Invoke(
4 _* |! ?8 o1 W7 G requestID,
7 E- E( p5 y4 X9 s IID_NULL,( o; W* c$ H3 Q
LOCALE_SYSTEM_DEFAULT,
9 Q4 r% P" u9 O, K DISPATCH_METHOD,
3 O4 P' R8 X. O3 ^ &dp2,- N, u; a9 y$ _
&var,7 V9 s1 |4 E* |4 p
&ei,
u! ^4 I1 q, ? &uiErr);) v( K& L" y5 Q* _4 B
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SysFreeString(topicStr);
0 r! y( V5 ~. D, \: l SysFreeString(itemStr);9 O1 i/ i, l) S G8 g
请问该程序是获得extend里面的哪个值?+ H2 Q- X3 _0 H7 s% T' i. b
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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