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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:5 v5 x r) ^* \. `. i9 u
Name = (WCHAR *) L"Poke";6 W! H# m- B8 P) K
) b3 f! y# p* F hr = m_pDisp->GetIDsOfNames (
- Z" z% ]. R* W7 S: Z IID_NULL, // reserved `: ^* V7 ?, Z% l x
&Name, // Array of names to get IDs for
( c4 G$ h/ _+ m% _% c: a 1, // # of names in the array
( W2 l5 D' X' _2 D8 T& m- i) f$ q LOCALE_SYSTEM_DEFAULT, // System locale
$ u, O! A) l, L1 t& l &pokeID); // Array of IDs to fill on output
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if (hr)0 Y8 u+ w% W! W! W1 x" d! o9 T
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MessageBox ("Get Poke Unsuccessful");2 p8 x- T8 k2 Q& W# M" N
return;
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/**************************传递数据给extend**************************************/
, ?3 q. r3 N. x* `" S4 {. x: O1 M; d pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 T+ c( e9 V3 Y$ Y4 h) v& Z( Q5 r
& a/ W) h3 h8 o8 A valueStr = SysAllocString((WCHAR *) L"1232");
' f1 P# Z1 J5 H8 j1 ] VariantInit(&pokeVariant[0]); ; ~/ T& d9 s; _
pokeVariant[0].vt = VT_BSTR;
5 i; ^) l* K0 ^( x B pokeVariant[0].bstrVal = valueStr;7 U; O; N; u6 y% v( `! w* U& w8 q( j8 g
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 {2 W8 M9 L- \0 g; x
VariantInit(&pokeVariant[1]); 0 k5 \5 W! [' x3 F( o5 O
pokeVariant[1].vt = VT_BSTR;& s, n2 E* W3 v4 c/ \, W
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" C! ~) [, M: L( C; F. q VariantInit(&pokeVariant[2]);
; [/ K {" Z7 U; W* {0 W0 Q" ^ pokeVariant[2].vt = VT_BSTR;- M3 D( {3 p3 J7 N! g* q
pokeVariant[2].bstrVal = topicStr; s: V0 ~4 k9 \* m' H) J
8 X% W+ x$ [- O" M8 Y// Set the DISPPARAMS structure that holds the variant./ e5 A& f: q1 s1 |) k2 }
# G6 T! q) v. {4 c. j/ ?. ^ dp.rgvarg = pokeVariant;* O; o$ M |" n; }
dp.cArgs = 3;
8 V6 u a" U1 P2 L5 l: |2 p: r: | dp.rgdispidNamedArgs = NULL;
) |& ]. @9 {- K# q0 I' a/ C dp.cNamedArgs = 0;
, Z+ r0 k0 n; ~ ~& N. q
1 A; ^2 H0 w* q6 u& n// Call IDispatch::Invoke()7 W6 W1 L. I4 G) z4 ?
. H8 w+ q& z$ ~ hr = m_pDisp->Invoke(
! F; J! [6 O2 D6 M2 ] pokeID,9 Y, \9 _3 [$ s& d4 s7 F( v
IID_NULL,
+ x1 W- j, Q9 ]& W0 a% B4 P LOCALE_SYSTEM_DEFAULT,2 a7 F7 ~$ _- G6 t0 l0 Q- E/ m J
DISPATCH_METHOD,
' F# F( q. a4 x) H &dp,$ R3 ]/ D2 O0 t1 R& d4 M2 r. B
NULL,
$ }3 r% L# i( @3 W* k3 C6 Y( S, w/ V* \ &ei,& N% H6 p+ n0 c4 F" K- C
&uiErr);
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SysFreeString(topicStr);# |3 j" k/ F) Y' L: D
SysFreeString(itemStr);
- j6 B& `/ a5 y8 Q% F5 I, B& L- w3 ` SysFreeString(valueStr);4 b, D& j, |$ ]' E6 r X! b
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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???
5 I0 e4 |1 T8 I3 Z 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: K* @0 q/ ]3 E1 X
// Request a value from Extend; C7 a6 F& C+ G3 D; W. Z
//3 a9 k- C8 Z9 F7 ?1 T
// Initialize the variant that will hold the BSTR. Set the variant's) r. }+ d2 e) e1 R1 k. P/ W/ d
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ n9 \- v1 b8 L% m( @// BSTR into the variant structure.- M& y, B, i8 z: A$ ?& _4 L
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: R& _3 a+ M! B8 F
VariantInit(&requestVariant[0]);
, O( t/ a1 e2 j requestVariant[0].vt = VT_BSTR;% N: ]. i$ S7 \1 T7 @+ m9 x( V
requestVariant[0].bstrVal = itemStr;
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( `+ x! E. J1 i; X. U topicStr = SysAllocString((WCHAR *) L"system");* l3 L4 T& {/ e: _
VariantInit(&requestVariant[1]);
1 u8 [& A* B! \ requestVariant[1].vt = VT_BSTR;
5 k# {- K( b) g! \; j9 s ` requestVariant[1].bstrVal = topicStr;( `7 E* E9 \5 q9 X+ L$ u8 h
7 B" s( B' ?8 N// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
: N/ \3 T. n+ z: k7 d7 f* h1 ~" r0 j dp2.cArgs = 2;
+ G! d7 D! s3 m# [0 | dp2.rgdispidNamedArgs = NULL;
! Z- N# t6 b& x" Z! A0 R4 C dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- s9 ?# x: B2 c+ E, l
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hr = m_pDisp->Invoke() _; S; a: t! _# n+ T6 D3 U# i
requestID,
5 R# \2 p- u4 o4 K IID_NULL,) O8 ], r7 S) a0 y& l
LOCALE_SYSTEM_DEFAULT,
$ G) W# N- g, S5 V$ n DISPATCH_METHOD,9 b4 A' b" z6 \" q
&dp2,
1 i1 _' |- \' U# w7 T* G$ ?" B( n, Y/ { &var,
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&uiErr);6 y& L* C0 I! W4 c. r9 ~$ e
V% J3 q& R( W, w4 b' r0 \4 l: m SysFreeString(topicStr);+ T) R/ [; h6 v, m8 S s @
SysFreeString(itemStr);& f6 o8 M% B: ]) x) O4 I8 J* T
请问该程序是获得extend里面的哪个值?. i6 |- }% f/ E# A
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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