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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:
; n' i5 _9 ^: xName = (WCHAR *) L"Poke";$ g( X7 A: u* w3 }. o( O. i) m0 F% K
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hr = m_pDisp->GetIDsOfNames (9 T7 w& Z5 @0 ~
IID_NULL, // reserved
7 P+ f2 x. ~9 }8 P" ? &Name, // Array of names to get IDs for1 r, [+ O' {! |6 c+ L
1, // # of names in the array
; Y# M. E& M9 f- D LOCALE_SYSTEM_DEFAULT, // System locale) t% k% M& S% U4 x1 }0 b$ c# [
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");6 p2 Q W. y1 i3 \* ~
return;/ V: Y$ V# h& r% S/ W5 X
}
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, D1 L+ W$ z8 X; g+ S/**************************传递数据给extend**************************************/: k) Z: s0 B; m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 l+ W: Y. f& M9 ]% J
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valueStr = SysAllocString((WCHAR *) L"1232");3 g" Y% ~* u9 @2 @* B+ p
VariantInit(&pokeVariant[0]);
+ v2 c, U% m; l pokeVariant[0].vt = VT_BSTR;* J1 [' d5 l- Y. P8 U$ ^ t- Y
pokeVariant[0].bstrVal = valueStr;. U% x& M! w+ r! L* w1 e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ |) |( `3 }. m4 v, E. W; h
VariantInit(&pokeVariant[1]); O1 X, P0 U: F: R
pokeVariant[1].vt = VT_BSTR;
; U: C/ a2 j* B7 Y& d2 m0 \: t$ _ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
5 c/ ~$ X$ K* ^) A VariantInit(&pokeVariant[2]);
( V+ A# P# |: n6 E5 B/ m1 O3 u I6 [ pokeVariant[2].vt = VT_BSTR;4 C, u2 r- r# D% _5 L0 Z9 E
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ k# N. M% J8 {! w8 j
/ y" {. O+ E; x/ O: H% X dp.rgvarg = pokeVariant;% u+ J- I h1 q
dp.cArgs = 3;4 n- V( g3 U$ n" h5 o
dp.rgdispidNamedArgs = NULL;
' I& S; o: ?8 r6 _% L" Z6 Z dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()4 L! z, x! c+ q) L8 C7 F% d# X
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hr = m_pDisp->Invoke(3 U* J7 {" ~3 N t' L; w& W+ k# n
pokeID,
8 J, S- F$ I1 x, a, i$ S IID_NULL,' k. h1 H4 J1 x$ {- \
LOCALE_SYSTEM_DEFAULT,
9 [6 S5 c1 P2 N" y4 o2 W DISPATCH_METHOD,
' @6 t1 g1 X; U &dp,% B* m. ~1 r2 x! W+ j5 `
NULL,5 i: c6 I( N! `) ^6 y9 T
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&uiErr);; o7 Z1 a3 }+ @2 t# M
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SysFreeString(topicStr);
$ w8 l& O8 a) R, E9 X SysFreeString(itemStr);, R. Y6 A' Q: P7 h& N9 P( B$ T: R2 ~
SysFreeString(valueStr);, P/ w) y! ~# C( ]" }/ P
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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???
: z) l- M. F( i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0 D! _; Q, y" b, P
// Request a value from Extend
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" C1 y' M$ j! _$ m7 o// Initialize the variant that will hold the BSTR. Set the variant's* L# Y" S' r9 R+ c6 O( n
// type flag to indicate the fact that this variant holds a BSTR. Place the( D/ L z4 a7 |1 C- N+ k' |) s7 U
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 I. X1 \! y' C0 a; }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( I1 G* m3 a8 i& h$ k0 m/ ?
VariantInit(&requestVariant[0]); 6 c- X4 q* Z8 g2 C# G. V8 g
requestVariant[0].vt = VT_BSTR;
9 W& I1 [/ T: k' ?: w" q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( D# B4 F0 h, a: t+ V VariantInit(&requestVariant[1]); 2 S$ l W/ z: J) v
requestVariant[1].vt = VT_BSTR;9 S2 I% G, A) [% C7 Y- v( B
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
' z( R" F r' s7 _ dp2.cArgs = 2;* }+ x7 O2 [0 a) o! [3 q) v$ |
dp2.rgdispidNamedArgs = NULL;
# c: v- t: y: e1 Q- Z dp2.cNamedArgs = 0;
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6 H, l: z& q* ~2 I0 S2 g( ]% \ var.vt = VT_EMPTY;% f3 K( X, i7 v6 Y7 ?
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// Call IDispatch::Invoke()# n: k! s8 ~" S, p' h M
6 [: G" X8 @) |' U" i, w+ x hr = m_pDisp->Invoke(5 [7 Y1 j% r0 q2 K( Y# F
requestID,6 m) U2 y O" } X9 A; \# j
IID_NULL,
9 z p& y3 H4 Y+ a LOCALE_SYSTEM_DEFAULT,) g" ]! u$ `$ N! O G7 c
DISPATCH_METHOD,; V/ u6 e: G" a l) s# {2 `; ^
&dp2,$ a" ]2 W9 L$ I
&var,, B c- l/ @1 L8 z
&ei, U! g& E% S2 `
&uiErr);3 Y6 F) e( H) i8 f
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SysFreeString(topicStr);
( z% D' ^ A2 ^2 }: {* z, s SysFreeString(itemStr);
7 M. ]% q& C/ Y1 H6 M请问该程序是获得extend里面的哪个值?
& |0 ^0 V+ _6 X6 z {! y! C) S6 a* J* 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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