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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:
4 F6 l& @/ k: h7 x8 \% k1 ]Name = (WCHAR *) L"Poke";: j: I- n; N0 v
, K- n) g U# q# U( @2 ~' | hr = m_pDisp->GetIDsOfNames () Q( W, i2 ?, m( j7 `, k
IID_NULL, // reserved
4 x$ O4 k5 R; |# i &Name, // Array of names to get IDs for2 b; [6 U* U$ _- k% n- L# Y" _! S
1, // # of names in the array
; ?$ {3 X7 b' O# h3 x LOCALE_SYSTEM_DEFAULT, // System locale
4 b" w- Z$ y; _% F5 ` &pokeID); // Array of IDs to fill on output
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if (hr)% M7 Q: d. l6 p2 R5 n4 V
{
- p& l* W) b/ [& W MessageBox ("Get Poke Unsuccessful");0 g3 A# a _" a9 U
return;5 N& {+ O/ w$ D7 G' v4 {) C. Y3 M
}
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/**************************传递数据给extend**************************************/
* \, ]% z5 e3 }5 p9 Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 H8 w1 w% |. ^" @/ f) z3 H3 d# J
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valueStr = SysAllocString((WCHAR *) L"1232");
/ B! A6 P V; }0 ~5 H. Z+ s VariantInit(&pokeVariant[0]);
3 f/ E4 a- v8 N9 X pokeVariant[0].vt = VT_BSTR;7 V; `& c( U* I6 C" `$ [
pokeVariant[0].bstrVal = valueStr;' m( |! j& z) [# {8 K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 R; c# R% V5 R5 W9 X VariantInit(&pokeVariant[1]);
: q* @- p/ D9 {1 b pokeVariant[1].vt = VT_BSTR;
* F6 i8 f/ h, k+ c, V+ z3 ^! F pokeVariant[1].bstrVal = itemStr;
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) i7 K) G& a1 `* v topicStr = SysAllocString((WCHAR *) L"system");2 L' U+ b, d; F |
VariantInit(&pokeVariant[2]); * o( ]: G9 g8 F' L' b+ F
pokeVariant[2].vt = VT_BSTR;' z# I, L' l0 |* q, J
pokeVariant[2].bstrVal = topicStr;# T. L! u8 `2 Y6 n$ G5 k; D
$ \2 g% B2 d, \3 [% t1 H1 r// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;6 u; c5 V# M% ] T" z9 `7 [. O* e. U
dp.cArgs = 3;
( D5 I/ N# F- o; A0 A5 ?, p dp.rgdispidNamedArgs = NULL;
7 p+ X/ ~+ A( l, H# [ dp.cNamedArgs = 0;7 M" ]! L9 ^/ ^: H" s
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// Call IDispatch::Invoke()% c# o: K, s, W; `/ W
( Y- X2 e6 g4 r* i0 y' c# f7 k9 W hr = m_pDisp->Invoke() C9 r/ V! h5 ?& ?4 v
pokeID,
! j Y: |" D; G- F; T; M# u2 @, v* ~0 H IID_NULL,
2 E- x! ]: \. x- C% Z. U3 K LOCALE_SYSTEM_DEFAULT,
1 n7 [7 A S$ f! g DISPATCH_METHOD,! m" f: C. w- z5 Q" o' _" C
&dp,
2 T+ u5 _ `, v0 M NULL,
" E9 f4 b$ G L0 `: Q" z &ei,
6 L. _, X' A$ i3 w1 \/ P &uiErr);
$ f$ Y' p0 B9 `) g6 O' p# k1 s+ R0 _3 j7 e- w. s2 }& ?4 h
SysFreeString(topicStr);# ~0 n5 a; L& ?8 O
SysFreeString(itemStr);, j. [" A4 h% e! T n
SysFreeString(valueStr);& c9 ? T8 e4 B; F3 l* e$ V! u
! b* r: _0 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???
" x+ n. K5 V1 P( M" l. ?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9 O3 @- D. o# S1 D4 v F
// Request a value from Extend
3 n2 j# u/ x. ~7 f//) }# V- c2 t/ k) @
// Initialize the variant that will hold the BSTR. Set the variant's
' U7 v: G* f" R; G// type flag to indicate the fact that this variant holds a BSTR. Place the" }! S5 ~/ I' U% V
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- J7 @7 Z- z( _" K5 L
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, ?9 e/ C' k( q4 L2 ]+ O VariantInit(&requestVariant[0]); * K) n' [$ D7 V* r2 l; W4 a5 a
requestVariant[0].vt = VT_BSTR;5 w0 n6 i' ]# U: |- T8 A' [0 a9 }
requestVariant[0].bstrVal = itemStr;1 R1 b) j! a' u4 @2 S, r
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topicStr = SysAllocString((WCHAR *) L"system");
4 R9 U* O2 }2 m) B" n# U7 G VariantInit(&requestVariant[1]);
! g& A) r: ?1 y# ]7 ]% g6 }! z requestVariant[1].vt = VT_BSTR;4 V. Q8 G ^8 {3 w8 x. \
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant., V$ X, R: f m
" z1 O6 ?' t" H" g- m% q+ f7 I+ m
dp2.rgvarg = requestVariant;$ b$ r$ \8 W& X* S
dp2.cArgs = 2;
& z. a. w! ^& j' ]9 | dp2.rgdispidNamedArgs = NULL;1 ^, M7 x# y# O% Z, L. v
dp2.cNamedArgs = 0;1 W0 e& Z; r' ~2 R' i1 `* T; d8 U0 f
+ X$ |$ _ [ `' B4 k' V var.vt = VT_EMPTY;0 c- Q+ K5 @% u% _
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// Call IDispatch::Invoke()
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0 n! }, E) f# e, h, {1 H5 s+ @' B) d hr = m_pDisp->Invoke(4 V$ r9 N9 o- s. N
requestID,
3 y$ V1 @, _+ j2 _- q IID_NULL,, I2 L5 Q6 Y* p( j" y8 e4 J
LOCALE_SYSTEM_DEFAULT,
4 M7 M, O2 k- `, B) d0 S DISPATCH_METHOD,4 k% ?) |; M) z* @+ J# d" e+ D# k
&dp2,
7 x% O" _. T$ O( I3 g9 _ &var,3 t; v/ I1 v& R; T( L
&ei,( B, i3 g( m: u6 f# b, L
&uiErr);8 O) r! W% m; K0 X, \
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SysFreeString(topicStr);
6 g! R7 B; q4 s8 N+ x3 G) g SysFreeString(itemStr);2 A, O* B9 p! R6 D; E% a$ X2 R/ R# c
请问该程序是获得extend里面的哪个值?
F( M$ Y: L2 j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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