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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:
$ c2 S8 o7 e; {4 ~; e: r% MName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (' p7 f0 S# R- z1 k
IID_NULL, // reserved. d! ~. I. E1 w
&Name, // Array of names to get IDs for8 C" a& M7 f) Q6 H
1, // # of names in the array
! A! T# q( h4 ? LOCALE_SYSTEM_DEFAULT, // System locale" F" Q" Y' A/ h. n. r1 D$ N
&pokeID); // Array of IDs to fill on output- }, ~' G. K- W% W; Z1 G0 S# t
8 U0 p! L8 E7 K3 X2 G7 h- p if (hr)
# I8 y8 G9 B. q# w; @4 p" V, c {/ R4 j4 @& w$ r8 v2 [. D
MessageBox ("Get Poke Unsuccessful");
* O2 Z t& s0 c: u) _# {2 \ return;/ Q/ k- a4 \9 n( P* b
}
: ^* Y. u+ I& ?- h. X
4 l" H3 F8 J: [/ V4 d/**************************传递数据给extend**************************************/, b% {* M. P7 y0 G$ i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 U! h) f' j) n+ M" e# m8 `7 ]
; G2 N2 G0 M m
valueStr = SysAllocString((WCHAR *) L"1232");
5 Y4 r8 g# Z3 {) e VariantInit(&pokeVariant[0]);
8 ]& z. [* _# s" r# Q pokeVariant[0].vt = VT_BSTR;
, W9 s f5 D$ Z' M, t pokeVariant[0].bstrVal = valueStr;: q& u" n f5 h4 G( N- V
0 A" }1 r; N5 B
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* u! V5 T+ [* g$ z VariantInit(&pokeVariant[1]);
8 v0 q; Q, q* u9 [, a5 { pokeVariant[1].vt = VT_BSTR;& ^) \, _9 h# H0 C4 m( f- \" A
pokeVariant[1].bstrVal = itemStr;' R" H! }6 r0 k1 ^6 ^, }1 m
# V& L0 r% Y2 `/ P" E* l topicStr = SysAllocString((WCHAR *) L"system");
# B+ a3 a6 v- ~. L( J9 y VariantInit(&pokeVariant[2]); ' z9 I: T/ j+ u& n. Q9 [
pokeVariant[2].vt = VT_BSTR;- G6 r& i$ O* o4 q5 Z
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 U5 t' ^7 e+ y- i* ]% O
8 y; b0 z: C+ l2 a dp.rgvarg = pokeVariant;" m1 G; N X# F% @: s
dp.cArgs = 3;
1 T& y1 X' M6 ` dp.rgdispidNamedArgs = NULL;
8 q; [! x% w2 C% S$ k8 } dp.cNamedArgs = 0;
@( p; _& J; c# F3 N
2 S% @5 @+ d: a" U- S2 B0 ~// Call IDispatch::Invoke()# B5 X7 N% K/ g+ i; I1 }) O
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hr = m_pDisp->Invoke(
* \* V" k9 X: C0 W pokeID,
) c; r" W. m3 S/ w, C2 [# Y IID_NULL,3 X" I Z! D3 w1 a
LOCALE_SYSTEM_DEFAULT,: Q# z- P, }- z' }
DISPATCH_METHOD,1 _! Y! {. K G1 g/ U: x U
&dp,
: c n% G1 F! Z% L4 _9 b. d NULL,( j+ f) r* c/ N6 m
&ei,
+ O' E$ d! r3 S T &uiErr);$ j5 E9 v9 q4 T! M, }! H
5 W; n- M! h- f6 i& R' H
SysFreeString(topicStr);
( d& X, v: f# d& }2 F7 `( | SysFreeString(itemStr);7 U$ l0 C1 F: K0 ^' L, t
SysFreeString(valueStr);
& z3 z. d* M$ E4 @% l# I0 `# I5 [! O. v3 o
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???
4 s8 x: C- w5 Y+ [, D: E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????
2 U, K7 `* h% b5 g% Y2 S& T* B* ? |0 a* N: i" R3 K1 ~
/ J& d1 W9 \! d# I% v% e/ O2.这是request的程序
5 T% }+ i! e, y. h// Request a value from Extend
9 d; n* i" a5 m# d) Q//& |% m" q1 p0 N
// Initialize the variant that will hold the BSTR. Set the variant's% u2 t; w; O' G* Q& x% \8 B( @' A
// type flag to indicate the fact that this variant holds a BSTR. Place the
, I; ?7 n( t n T/ O0 @1 @// BSTR into the variant structure.+ c2 c' P' A1 R$ ~* ^* w2 r
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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6 t) d; z) ?, R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) D4 _. |+ M1 W
VariantInit(&requestVariant[0]);
8 u3 X' e/ Z3 _, d$ \7 }3 l: t9 R requestVariant[0].vt = VT_BSTR;
$ c# i( I- y" c" {, v9 n! m requestVariant[0].bstrVal = itemStr;
3 F! ^& n. J; L# A* K0 y' z( s0 j8 E& }
topicStr = SysAllocString((WCHAR *) L"system");
1 {7 T; L, X$ W1 I VariantInit(&requestVariant[1]);
; e1 o! o( H5 O, ^/ x requestVariant[1].vt = VT_BSTR;9 M0 g/ _! _, q* Z# f
requestVariant[1].bstrVal = topicStr;/ s) i1 C/ j3 a" B! W
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// Set the DISPPARAMS structure that holds the variant.
+ j4 q0 X4 l/ G* Y* D' T
6 A& q W6 O a! x5 j- [) H+ @ dp2.rgvarg = requestVariant;. i$ K( j6 `/ Z: z' s
dp2.cArgs = 2;
3 ?6 |0 E1 g( Y: l& ? dp2.rgdispidNamedArgs = NULL;3 _. ?6 ]8 F! `+ p7 m
dp2.cNamedArgs = 0;) @( E6 h! h0 i! Z4 n
; B! G1 i6 }1 u( t( b+ p var.vt = VT_EMPTY;
. c7 q: ^/ E% L' }/ p. p* b
% r3 `* S% j7 X( e5 t7 G3 Y4 x// Call IDispatch::Invoke()
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) G! i: J# n; Y# p( _' | hr = m_pDisp->Invoke(
( Y0 l$ y c0 x' f requestID,
% H9 e+ h* p) e9 A$ Q IID_NULL,
4 p! X* r3 r6 ] L' Q LOCALE_SYSTEM_DEFAULT, i2 o0 [1 N/ }6 w
DISPATCH_METHOD,
. }% g$ F# ?' R7 f. v$ \/ o' }2 q &dp2,7 s! K8 u! _0 ]8 O6 V
&var,
) T( v+ L2 p! u &ei,
1 R7 U6 s8 i4 R' i, X; h9 U6 T/ i &uiErr);
% C& t" Z. x; I* s) f1 }$ u' f) g* P. j+ D; k' A4 M
SysFreeString(topicStr);8 v8 z C/ j% H3 ~
SysFreeString(itemStr);% @6 N/ L; F" U" ~, i) x5 V4 b
请问该程序是获得extend里面的哪个值?
, _4 S2 q$ P* w* 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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