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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:
2 n6 v6 c# |- s% }4 K R; WName = (WCHAR *) L"Poke";) `- j# b) N8 k" _- O
8 H9 S$ \& j2 e hr = m_pDisp->GetIDsOfNames (+ p8 N8 W9 |: \7 y/ S. _# X
IID_NULL, // reserved
5 g& g6 M, ~. u S! k &Name, // Array of names to get IDs for+ ~, |, Z: A9 H3 A& I0 D; q
1, // # of names in the array
9 O+ M# C# ~ l LOCALE_SYSTEM_DEFAULT, // System locale8 s, Z+ d5 a9 Y, i: Y
&pokeID); // Array of IDs to fill on output
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if (hr). Z3 q L. _4 Z' E+ D; T: X4 H3 ?
{
: I4 M% h5 s6 o0 d6 a* c- ? MessageBox ("Get Poke Unsuccessful");
$ l. Z" k" F2 D9 n return;
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/**************************传递数据给extend**************************************/( _- r# H; |/ n" ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 U7 p0 v% w# u! U( [% v7 Z* ] valueStr = SysAllocString((WCHAR *) L"1232");* i# ? d$ D& y, N
VariantInit(&pokeVariant[0]);
% V7 P0 }" ~: i pokeVariant[0].vt = VT_BSTR;
1 q* a# ]* g+ h4 U0 L- A pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' W' f9 A/ n S9 [0 l% f7 T' I VariantInit(&pokeVariant[1]); * ]7 ^8 P' {' S0 T
pokeVariant[1].vt = VT_BSTR;
1 Z9 G6 g# e& f1 E& q, i pokeVariant[1].bstrVal = itemStr;8 i; A% S% c( _, g) Y7 v6 d
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topicStr = SysAllocString((WCHAR *) L"system");
6 [- n. K! V$ w( Z8 w; p4 W VariantInit(&pokeVariant[2]); . L1 D+ D0 J: C2 m; a" U& d1 G j/ \
pokeVariant[2].vt = VT_BSTR;
3 \6 x3 F( G8 e) ~- w& s/ J. J pokeVariant[2].bstrVal = topicStr;
! G9 p- ^) r4 v
9 W* m7 A/ U* k' t4 M/ @7 ~" y// Set the DISPPARAMS structure that holds the variant.& [3 e( T) D- V% f% u" v. W
) K ^9 e: Z& G5 q dp.rgvarg = pokeVariant;
9 u: d2 C0 y- \2 z# V dp.cArgs = 3;
, K. j( X% I: \: \; } dp.rgdispidNamedArgs = NULL;$ s# t1 N" X8 r' l7 w
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
: [0 |9 p4 G# U2 o pokeID,
: X5 y% {0 ?% Y& O IID_NULL,% C7 N( R! d2 @, b" ?$ C- z$ h
LOCALE_SYSTEM_DEFAULT,
3 z* m" a: K e DISPATCH_METHOD,
4 O0 D& q3 g6 a; J. e1 K0 ] &dp,9 J& C" q; h6 }$ s" o
NULL,
; _3 n" V5 l$ C `4 H6 e &ei,/ V) G4 A Z5 a3 U- s
&uiErr);
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SysFreeString(topicStr);
: ^7 D7 U2 X- X) m$ k( K SysFreeString(itemStr);3 ^4 ^* [0 N$ P
SysFreeString(valueStr);
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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???
, P6 }5 ]8 G/ C7 Y! b4 p8 a3 y O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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& q* H5 V3 S5 ]' ]# n7 q8 q2.这是request的程序" m$ K0 Y5 P( ]3 w
// Request a value from Extend/ f/ s& Y |. l/ ]
//, d; ^' O! z; R9 N. i& d
// Initialize the variant that will hold the BSTR. Set the variant's
9 A/ S, M! g- v. [// type flag to indicate the fact that this variant holds a BSTR. Place the
; I8 d8 Q) Q) ~8 _" p' Z7 e( B' b// BSTR into the variant structure.1 K# z5 q. x) M7 A( t" p) N
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ ^4 u }5 [* r1 v4 v
VariantInit(&requestVariant[0]);
0 O; B8 z9 x( m2 b/ H. e requestVariant[0].vt = VT_BSTR;2 A+ o: v# T8 Z1 x) o
requestVariant[0].bstrVal = itemStr;
& x ~! Q6 y3 L4 A- w' Y7 t
- `+ u& R: b4 N6 X+ n/ L. c topicStr = SysAllocString((WCHAR *) L"system");
% `! k* ?4 i- \8 u VariantInit(&requestVariant[1]); 3 _+ g) U4 t( O
requestVariant[1].vt = VT_BSTR;! v* T! W# L: b! K+ ^" M
requestVariant[1].bstrVal = topicStr;. q( G1 z& [7 m: y3 Z7 ]
& H. ~3 k5 f2 _' V) C// Set the DISPPARAMS structure that holds the variant.( n* I2 ?* ?' r8 M' z4 a
# U1 _: h" v: }* h v, p* F dp2.rgvarg = requestVariant;
/ Z& q- y: o2 i4 o J: ]$ Q2 C- O% H dp2.cArgs = 2;! l( V! G7 u+ F9 l$ ]3 K
dp2.rgdispidNamedArgs = NULL; ^# F# x2 Y0 }) y
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;7 i- W, m' n2 _1 u, S
. ^4 I5 `, x+ Y- I& K9 C// Call IDispatch::Invoke()% I' @ Y! d2 a% O
8 ~+ b, }: V. x9 C hr = m_pDisp->Invoke(' F. J, k7 W: e1 B* @% _9 a
requestID,# w5 H$ t8 n- v, b# O
IID_NULL,
' f6 _4 ?7 Y- v( E0 { LOCALE_SYSTEM_DEFAULT,
/ `; X6 e* N7 C( i DISPATCH_METHOD,
1 X0 L9 V% `. M, d &dp2,
0 H" p- }9 Y, z &var,* H- a$ e$ S& V, n, a1 C6 c8 d% f
&ei,
- v! j+ {$ B5 B+ v' o6 \- c &uiErr);
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SysFreeString(topicStr);2 g& T/ @1 m% E- {
SysFreeString(itemStr);
w9 x' Z5 V& F: L4 P2 P请问该程序是获得extend里面的哪个值?, |) N8 U& P. R, z& L( 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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