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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:( ?0 [ e. \0 \8 I6 z% ^$ D
Name = (WCHAR *) L"Poke";
" o: x- M' z) {( f
2 H: D6 P" [8 a* a- f1 ~ hr = m_pDisp->GetIDsOfNames (8 J6 }3 G# z( _$ Z, r
IID_NULL, // reserved% a0 `5 v" B- ~$ Y) [+ s! Q" b% {
&Name, // Array of names to get IDs for
k. O3 C$ ~2 V, S6 V6 J: i! v: w& a 1, // # of names in the array! O/ M* V% O' y4 q+ K R
LOCALE_SYSTEM_DEFAULT, // System locale2 S+ s% u; O# |! X `. `+ @0 b. q' |. G
&pokeID); // Array of IDs to fill on output
4 Q$ |" v! ~* \; Z3 _
2 {* v. N ?- j! h7 [ if (hr)9 m3 G# N, ]/ ~2 V( l$ g+ c7 p
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MessageBox ("Get Poke Unsuccessful");2 |! ~: B) Y! {0 V$ x
return;' c1 R4 V0 Q) l& f2 `8 Z% [3 Q
}
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/**************************传递数据给extend**************************************/
) ^0 A" U C% h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! `+ \/ `8 U( F) f+ \+ c% |
5 |8 ]- _6 U1 K& A4 s valueStr = SysAllocString((WCHAR *) L"1232");
6 O5 x( p' ^0 T3 g- O9 u7 N VariantInit(&pokeVariant[0]); 7 [, i* `7 _% ?9 u
pokeVariant[0].vt = VT_BSTR;
' M' E1 l6 w% S pokeVariant[0].bstrVal = valueStr;
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: L) ^: S; o* M8 q8 D; C) N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 P" D7 n' ]" d9 b7 U
VariantInit(&pokeVariant[1]);
1 |; E6 L( O5 p1 j5 ] G pokeVariant[1].vt = VT_BSTR;
' d0 w% `7 O; n( ~8 K pokeVariant[1].bstrVal = itemStr;
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. R: X8 q5 I% S! Y3 S Q topicStr = SysAllocString((WCHAR *) L"system");
' L& _8 z+ {. `4 m VariantInit(&pokeVariant[2]);
. {4 f6 |5 G' u' l pokeVariant[2].vt = VT_BSTR;
( W* A. R" `( A3 G pokeVariant[2].bstrVal = topicStr;6 K( n/ ^! R3 z Z, N5 o4 H
9 `" U+ e5 z+ G: e9 r4 x3 f// Set the DISPPARAMS structure that holds the variant.' o# x# r( E9 F4 M+ d0 {1 _+ k, L
( B: ?5 X! Y0 V1 I dp.rgvarg = pokeVariant;
0 X' ~6 g5 P! l$ A dp.cArgs = 3;
" ]: t% L" [. M/ R dp.rgdispidNamedArgs = NULL;& q: J% C& O- Q* y& V0 d
dp.cNamedArgs = 0;
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! p" k' [- Q, R. i// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(6 }6 g& K* D3 ~% @9 n
pokeID,+ |0 D. B& d9 D: y# I& K
IID_NULL,
8 h9 H1 F' l9 Q! V& ]% M0 n$ z; ] LOCALE_SYSTEM_DEFAULT,
% m: O* d9 O1 ?: Z* \8 U DISPATCH_METHOD," M% \5 n+ q! H, D
&dp,
( c3 G: J1 Q, T7 ~- D* Z% D0 D NULL,
* t. ~1 l- [9 V$ H* o &ei,7 E4 ~4 o) B. f9 f1 l+ K, v3 w2 v; u
&uiErr);
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1 j. m5 q: ]: S$ x SysFreeString(topicStr);: z7 i- Y# t' W# Q# W, N3 _, D
SysFreeString(itemStr);: ` n1 _& I3 X* f
SysFreeString(valueStr);
0 x6 g0 o& ^$ o0 e
- _- m: i* x% O; W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???
# I: H, ^ R2 W9 W& |: l* B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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; z! y w, f) F9 g2.这是request的程序
7 y! \% x+ a S0 U1 J" b// Request a value from Extend
) V3 u( H( E& K9 k//# w3 J Z% m* ~
// Initialize the variant that will hold the BSTR. Set the variant's
! E, ^. ?0 l6 D( Q* T6 N3 }// type flag to indicate the fact that this variant holds a BSTR. Place the
1 @" h. S, r0 d/ z* T' p% i// BSTR into the variant structure.: a! m# ?8 W1 D" Q+ Q* A
; h1 b6 E0 ~4 `; U, J& n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# {+ R" P: a& h0 b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 F- M/ H; E/ c4 X' z8 G) R VariantInit(&requestVariant[0]); % e' ~6 ?* k* U$ b* C0 p+ `8 F
requestVariant[0].vt = VT_BSTR;
0 L2 H) t* T9 V# h+ z requestVariant[0].bstrVal = itemStr;" g3 F) u- ?+ d T) t3 L& P
. R* p( o N' C5 c. s9 y* J topicStr = SysAllocString((WCHAR *) L"system");
% L0 w% Z0 ]0 R9 @9 B, X& l VariantInit(&requestVariant[1]);
' D( a* R" i) e requestVariant[1].vt = VT_BSTR; E6 s: R9 v& I- d
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) B! T! G3 c! d5 W* C
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dp2.rgvarg = requestVariant;
, i9 i1 S, U0 ]2 N6 b2 `! r dp2.cArgs = 2;
) |, U7 T- u$ |( u# x5 w dp2.rgdispidNamedArgs = NULL;
* m3 `% a0 K1 @1 g% q dp2.cNamedArgs = 0;/ t- _( h9 d( J4 s6 u: R. L
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()! s* h3 P+ Z, E) A3 P! y
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hr = m_pDisp->Invoke(+ w' j8 a, D) T Q, w. a9 E
requestID,% W7 S8 Y- `/ V9 R0 u
IID_NULL,
; g6 `) M/ B, t1 |# x LOCALE_SYSTEM_DEFAULT,3 ~& n4 h3 J S3 b8 e% r# K
DISPATCH_METHOD,
( S6 B- _4 e. ]4 B6 u* s; x &dp2," E& O! x! f, _+ Y, m; \
&var,
5 z/ p2 P l' T+ O2 h &ei,& z8 o2 b; r. C2 Q, C5 p$ E
&uiErr);6 U+ V3 g, X; v. |2 W' s: @7 f
* t/ s$ Z& X- O C SysFreeString(topicStr);' l& v C1 I. K7 ~5 j$ u) `" l4 W
SysFreeString(itemStr);
. r% q4 G6 b" ^6 U% B请问该程序是获得extend里面的哪个值?
. p& u0 n- y9 O! g; {: u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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