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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:' d7 I8 J l8 {' ]1 {
Name = (WCHAR *) L"Poke";
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* F* O Z6 N* N' z6 B1 [; X# O hr = m_pDisp->GetIDsOfNames (/ f+ O: b% ^7 g' E* b
IID_NULL, // reserved7 j( I4 ~+ ]% j+ f# ?* z9 v
&Name, // Array of names to get IDs for
$ V. j! K$ B. y4 {9 @. h 1, // # of names in the array* ^/ K9 r! r- [- L4 L
LOCALE_SYSTEM_DEFAULT, // System locale
/ ~8 w5 `3 R: F) ]8 G/ D- j &pokeID); // Array of IDs to fill on output
# e6 ~: L: |- x ; i" E1 k6 I1 x1 I2 I
if (hr)9 s6 d4 H- H) P
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MessageBox ("Get Poke Unsuccessful");
6 \; o$ |1 \! Q, [) Y/ o return;0 T* y' o6 V/ o6 A4 S
}
V' _" m% q0 P, e
1 G" n% p* f" _) M3 f/**************************传递数据给extend**************************************/9 t: r% p: q- \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 m: ~ @" p6 b2 Y5 Y y0 Y4 ~' `! h valueStr = SysAllocString((WCHAR *) L"1232");7 c2 `% d, J3 M2 @# `* F
VariantInit(&pokeVariant[0]); 6 j$ `$ H% x6 ?# y8 H" @- W4 Q2 ~
pokeVariant[0].vt = VT_BSTR;
U$ [6 |8 V; |% }9 [! f pokeVariant[0].bstrVal = valueStr;! T2 n& Z4 U! @- X) R/ O/ v
) i) I- J* p. W$ J- k4 y8 P: ]$ t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ t# \* V5 P) C' ?8 |
VariantInit(&pokeVariant[1]); # Y9 t* z9 l) r% m. O9 B
pokeVariant[1].vt = VT_BSTR;
+ Z" ~7 I: X! x. C1 x# \ pokeVariant[1].bstrVal = itemStr;! H1 D0 P5 z% Y3 [) \& r. D; K
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topicStr = SysAllocString((WCHAR *) L"system");+ [& a( w; X0 ?
VariantInit(&pokeVariant[2]);
; g, d) ?1 F4 |) Z8 q7 T5 H pokeVariant[2].vt = VT_BSTR;& r! N% u% F8 v7 R a( e: S
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
3 H4 W G( L! L- M; H+ I$ E5 k& r dp.cArgs = 3;
( J- M8 \" s. t m dp.rgdispidNamedArgs = NULL;. O3 N. V$ w6 T, Y" K/ L
dp.cNamedArgs = 0;* Z3 F7 r9 |5 P6 q; @
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// Call IDispatch::Invoke()
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. B6 M9 W% v9 x3 X hr = m_pDisp->Invoke() i- v, t0 J) C! H M
pokeID,
i, O$ x% t% Q6 l7 M3 @ IID_NULL,
D1 Q+ v! _2 C5 ~0 o) ^/ v1 t( v LOCALE_SYSTEM_DEFAULT,+ X4 R: W( t1 m( u5 }
DISPATCH_METHOD,
, r# h* m: g0 A" N$ {5 w &dp," ]9 i( x7 H! I/ u
NULL,
5 a7 {8 M7 _% f; a( p/ R4 M &ei,9 q e1 ], R! P: ~5 e
&uiErr);4 z I9 O5 [1 C* Q3 e
* ]$ D: d+ R. U7 A( I& ]2 f( l SysFreeString(topicStr);
( U3 ^) c5 s! c5 |/ S2 f( A SysFreeString(itemStr);1 g$ i/ F+ p/ y3 H" w: L; ?
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???
0 P3 u( g4 e! `. [% r( m3 s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????4 s/ c1 ]! L6 V$ J. v: J
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' p& s6 |, u/ ^0 Z A4 F% T7 L2.这是request的程序6 _3 _* R; }6 h4 B' b! S: Z2 n
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's' t6 n! ?. P5 y' ~
// type flag to indicate the fact that this variant holds a BSTR. Place the0 i4 c3 g" i0 t2 M6 i
// BSTR into the variant structure.
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. Z& w' ~" e: m; u7 X requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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h( I; K& n( Z% N, X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 W" N$ z, O& P9 c6 ?3 {
VariantInit(&requestVariant[0]); 8 u2 I3 X$ y; i/ b! m/ V* q$ Z4 P
requestVariant[0].vt = VT_BSTR;
2 k4 {+ z& m- A$ L- N) u requestVariant[0].bstrVal = itemStr;
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0 y; ^+ [2 E1 k8 m' q1 y+ M3 b topicStr = SysAllocString((WCHAR *) L"system");
& v: W: x8 x- v1 s VariantInit(&requestVariant[1]);
( j5 ~9 q7 F1 U5 A$ z6 O$ v* f( b requestVariant[1].vt = VT_BSTR;' a% P' B1 b1 Q' f& k
requestVariant[1].bstrVal = topicStr;" b6 \4 W& G- n! {
) i4 @% \+ }- H; D, M9 x& t// Set the DISPPARAMS structure that holds the variant.
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' q! Y/ b8 L5 y& D$ ?: Y; B dp2.rgvarg = requestVariant; c* b# G$ q' c
dp2.cArgs = 2;- g" U- z* F+ U# \
dp2.rgdispidNamedArgs = NULL;
$ `6 c" K/ q5 T4 D9 B dp2.cNamedArgs = 0;: D; x( O4 D) d* X+ \; }
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var.vt = VT_EMPTY;" y3 B x3 i1 ^& O! O
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// Call IDispatch::Invoke()0 O4 m, F9 L s7 M
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hr = m_pDisp->Invoke(
0 w1 v; m; T# Z requestID,) p( F W4 w8 @ }* t: Q
IID_NULL,7 _- W* s0 B/ r' q5 C+ G
LOCALE_SYSTEM_DEFAULT,( D3 Y# N: x8 H" T" j4 J& p8 D
DISPATCH_METHOD,
8 Y! K, U" `6 S: w! A5 o% r &dp2,4 D: m+ h5 ?7 ]. m( ^; s
&var,7 g" x2 c: r: [/ F( k2 h
&ei,# s4 O0 x4 A1 [0 l, k
&uiErr);
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SysFreeString(topicStr);# m2 Q1 `* ]& Y$ }' u+ l3 K! h9 k; j
SysFreeString(itemStr);
: l( H Y1 z' q0 @" w$ A% z请问该程序是获得extend里面的哪个值?8 H" q' F2 w' X1 W7 |
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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