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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:
: F- O6 o5 D6 _9 a0 U d9 YName = (WCHAR *) L"Poke";
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2 I4 |% g" T$ E) r- N hr = m_pDisp->GetIDsOfNames (" B3 ~ A8 t3 D# e( J, B) W
IID_NULL, // reserved' [$ ^% `8 B m# w7 o
&Name, // Array of names to get IDs for
+ _' _+ p" Z0 A2 I 1, // # of names in the array
: I* O' h8 Z: u% ` LOCALE_SYSTEM_DEFAULT, // System locale
7 N2 W2 m0 x' U$ E$ F) e; W! e &pokeID); // Array of IDs to fill on output1 \8 w% R4 X$ S
5 |: g8 T% m8 u+ @! E6 J% g if (hr)- Z0 `, |" K1 i- k9 K( x$ H( ~
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MessageBox ("Get Poke Unsuccessful");6 `& ?* u* x+ C
return;
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/**************************传递数据给extend**************************************/9 c1 @8 H+ k/ J* o. G' r
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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; b- P1 P ?+ ^; L7 ? y) _5 h valueStr = SysAllocString((WCHAR *) L"1232");3 T5 }- e" h. O0 _! s( P
VariantInit(&pokeVariant[0]);
% |) a0 P6 x% R/ m: S! i' e pokeVariant[0].vt = VT_BSTR;
7 x* p9 L) v/ V pokeVariant[0].bstrVal = valueStr;7 j( a4 b; J6 B' \3 l
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ b! h: s4 ?1 A4 U; A VariantInit(&pokeVariant[1]); & w0 e6 d- R( x" Q# F
pokeVariant[1].vt = VT_BSTR;
. P1 V6 g* j+ p5 ?1 S' z" i pokeVariant[1].bstrVal = itemStr;+ F1 ~4 x0 t. N( |, n5 O
+ y9 T/ B) q5 E# C topicStr = SysAllocString((WCHAR *) L"system");
! {2 T+ @4 w# y, e, Y+ j } VariantInit(&pokeVariant[2]); 8 k2 ?) g& y% I
pokeVariant[2].vt = VT_BSTR;( A( Q M8 X l( k' O; R% F
pokeVariant[2].bstrVal = topicStr;
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2 Z* y3 I2 |' p7 ]8 g% ?// Set the DISPPARAMS structure that holds the variant.
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; b; ]0 Q9 q9 k u' Z: s dp.rgvarg = pokeVariant;- I1 }6 S+ R' \; V. t: F
dp.cArgs = 3;: D1 |/ p2 ~+ ^- Z' G1 i3 x/ ~0 L/ ~+ D
dp.rgdispidNamedArgs = NULL;
" T/ y5 @1 u$ {) k, O7 t b dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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# y- y% w9 w6 R2 _4 G P& ? hr = m_pDisp->Invoke(9 G, Q+ ^3 P9 P' n4 }
pokeID,/ ^3 B6 Q, p# i' `( I+ q- A
IID_NULL,1 E8 e& H& v8 S. [% @. N" E' o
LOCALE_SYSTEM_DEFAULT," K# [: D: Q$ Q
DISPATCH_METHOD,; B% ^: T. l7 e3 j, i; ]9 I
&dp,# T; }+ G z# P3 \! Y v4 G9 x
NULL,% ^0 \7 D& c- x
&ei,
5 j/ W& t2 ]8 f& _5 n# ] &uiErr);) Z* x. W0 V/ K4 e. k3 g
, B3 o7 ^8 c( \/ F( G SysFreeString(topicStr);# k2 [+ c* i# H: |
SysFreeString(itemStr);/ q" |* J# ]6 Z- _
SysFreeString(valueStr);- h* ^/ ]- a2 y: M
* g( S3 }- y; V6 l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 h1 S% H$ x( x! _% O6 R! c! W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
# ?& j4 r4 e2 ]) S; i// Request a value from Extend
" m7 \- N' Z9 Q0 ~. T& b9 o//
: _$ y' q' u6 Z/ u// Initialize the variant that will hold the BSTR. Set the variant's3 @8 Z1 P3 z1 Y( M
// type flag to indicate the fact that this variant holds a BSTR. Place the
' I | B6 Z: [/ x& G# l' o// BSTR into the variant structure." {7 h3 B# `- }' h; A6 r+ _
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 Q* @ y% N6 I {( C( c* i, N
VariantInit(&requestVariant[0]); * l5 a1 v/ P X9 n% g! o
requestVariant[0].vt = VT_BSTR;( Y' }7 l/ V8 n
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 W2 Y9 i9 C8 M; G# Z8 @, W VariantInit(&requestVariant[1]);
4 ?+ U- b( Y$ P4 z( v requestVariant[1].vt = VT_BSTR;' F- a, B5 I4 o/ G2 |5 K
requestVariant[1].bstrVal = topicStr;# J# H' |# B: {
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// Set the DISPPARAMS structure that holds the variant., y7 T# h- @: L# ~/ M2 M
$ h) R* g5 U8 C dp2.rgvarg = requestVariant;
1 k1 t. R8 \; G6 o. b$ N- k dp2.cArgs = 2;. p. d% }. e! f9 w
dp2.rgdispidNamedArgs = NULL;+ M1 B4 {2 l, o: l2 U+ f+ ^6 F
dp2.cNamedArgs = 0;7 c* Y! m: B- \. M6 P2 g1 b
2 Y+ a% S1 g- S- c$ [/ S5 m var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(% R' c# C* t! o6 \3 k3 J2 d
requestID,% _) |' D8 m/ Y6 P, A) M. ]
IID_NULL,
6 e! U7 n- u$ i" A" Q LOCALE_SYSTEM_DEFAULT,) a$ l# G9 `* F) `3 l; S, q! E' C+ W
DISPATCH_METHOD,
0 c; H2 b- g1 P& z &dp2,
2 v- \ q5 H0 S' R4 b& n3 x2 `- [ &var,
0 d! e! N9 t# ^- f' k+ P &ei,
0 D* b# ^, k2 f &uiErr);
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4 w! a/ s# @* f. v) \ SysFreeString(topicStr);
; \1 W! k0 D. z1 ?8 } SysFreeString(itemStr);% G3 ^/ v, X8 b/ K* u& y. H: O
请问该程序是获得extend里面的哪个值?( [& ?$ Z: W5 \& u: _1 m
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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