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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:
: I& q, B. L- z5 N' I0 {$ B; eName = (WCHAR *) L"Poke";& B/ u% K9 ^& w* `, c
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hr = m_pDisp->GetIDsOfNames (
. h* c5 O7 N" U IID_NULL, // reserved7 x* h) q0 c5 {7 l* Z9 ?
&Name, // Array of names to get IDs for% b8 w% a7 j% y' K! j
1, // # of names in the array1 q+ E J w/ n
LOCALE_SYSTEM_DEFAULT, // System locale
9 S' S% [1 j; l! q2 D, a. I" D- z &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
3 X( t* X$ x- X( c _( O return;$ M0 c* o( G! Q8 c$ I. l3 H% M& F
}
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/**************************传递数据给extend**************************************/% `) e4 r. p2 V* m! d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 n9 o! b2 l4 X4 Z: t* Z
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valueStr = SysAllocString((WCHAR *) L"1232");
8 j& l `0 B k VariantInit(&pokeVariant[0]); & h5 v( J& [% P$ ^0 @
pokeVariant[0].vt = VT_BSTR;
5 T) u( {9 C# b% s pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 W ~2 G- m9 l8 C2 m/ ?
VariantInit(&pokeVariant[1]); & f! W. J3 ]5 T) y
pokeVariant[1].vt = VT_BSTR;
, m; L4 y- k3 \; O/ w, U$ X: K F pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
5 y. F4 t" h9 M VariantInit(&pokeVariant[2]);
8 I; c, R+ V& U' y pokeVariant[2].vt = VT_BSTR;: I2 g3 Y. Z$ N
pokeVariant[2].bstrVal = topicStr;: y8 H; n( K" b7 Q
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;' J' n! w0 \( P2 s
dp.cArgs = 3;; Z1 W6 t2 U- A- S
dp.rgdispidNamedArgs = NULL;
5 f0 [! r; U4 Z$ c) F4 I2 S dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()4 c* S, K- r" X. u+ j# c
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hr = m_pDisp->Invoke(! P& p/ T4 d1 ~8 r2 V7 |
pokeID,# M7 E: D5 _+ m' L- j8 b
IID_NULL,
6 c1 H8 Q5 L( r LOCALE_SYSTEM_DEFAULT,
" T' F6 @' q$ V% j0 d4 e* ~& o DISPATCH_METHOD,
K# f: W. m& U &dp,; c& G0 ~5 q2 ~7 D" Z0 B
NULL,( j+ M+ u# i: g, U# ?3 q
&ei,
* m- b! f3 R' `. W &uiErr);/ W5 D$ \& W' X" a7 ]& t- V) E2 M
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SysFreeString(topicStr);
4 y9 t( u; R% |0 f* a0 M SysFreeString(itemStr);
' |& t: w V3 a6 O SysFreeString(valueStr);3 [# P( n5 m3 J
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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???
+ T" }9 Q! b6 H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/ K1 k& b5 O4 p; I
// Request a value from Extend1 ]+ M8 I/ F+ o }3 w6 ~4 G
//5 l# {+ y- ?! ~; K& g$ y2 @' t
// Initialize the variant that will hold the BSTR. Set the variant's
& ]1 G! P& V7 p# G// type flag to indicate the fact that this variant holds a BSTR. Place the
# F$ a3 m. }" z4 ~* ~$ K// BSTR into the variant structure.1 ~8 e/ n3 V% \; A/ c+ F
V+ z: p; N) `( K: V) V& ?+ Q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 j8 @: Y9 m4 z' @
VariantInit(&requestVariant[0]);
8 Y+ D& \, Z1 c/ V& s requestVariant[0].vt = VT_BSTR;% e6 Z, F2 h2 e6 U5 C9 U
requestVariant[0].bstrVal = itemStr;! u% t) o- K3 y1 e# T
# H$ f8 w1 } e' N6 f3 e topicStr = SysAllocString((WCHAR *) L"system");
& I: x9 _) F$ _$ w+ G q4 b VariantInit(&requestVariant[1]); 5 l0 }2 `; }2 D
requestVariant[1].vt = VT_BSTR;+ J/ g, K; ]: t; y$ w
requestVariant[1].bstrVal = topicStr;( l6 q# S# d- [
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// Set the DISPPARAMS structure that holds the variant.% U2 U: u+ y2 _. y' U
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dp2.rgvarg = requestVariant;
8 V, U5 M" J! r+ M' x( i dp2.cArgs = 2;
# u5 H! U- D3 C( z. \6 | dp2.rgdispidNamedArgs = NULL;9 o0 S$ @- T8 c* E% ?
dp2.cNamedArgs = 0;, i8 R7 r; d$ F8 s
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var.vt = VT_EMPTY;3 d3 D3 Z2 F0 \2 l2 e e8 b, h' s
& y, T# B. ~7 z% }+ Z% x; s// Call IDispatch::Invoke()' @' f3 ?/ j& p
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hr = m_pDisp->Invoke(
: \1 ~5 _2 x8 k' c requestID,7 |$ q4 a: z% L, ^4 C n$ O x; z& g8 t
IID_NULL,( Q+ Z5 A! \/ w# N& D% {- E! g* S
LOCALE_SYSTEM_DEFAULT,
) p/ E$ S0 K7 |2 O DISPATCH_METHOD,
5 j' Y: ^. m' O# G &dp2,
) f+ i: j$ k# y7 b5 b. ~3 l8 V+ y' Z &var,
, h, |% |6 {/ l: g &ei,* j. |; Y+ T# E3 G1 r' e& n9 q
&uiErr);
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SysFreeString(topicStr);
" o0 z* j9 y! G) ]( z% X, X SysFreeString(itemStr);
9 n& _% Y B; Z- V/ @% ]# y请问该程序是获得extend里面的哪个值?0 Z$ {* N- K- X% e
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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