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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:
$ j) h+ F1 n* o" k7 ^2 \Name = (WCHAR *) L"Poke";
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% m D3 ~! R( `+ [6 V hr = m_pDisp->GetIDsOfNames (6 r# m: I* f6 t; v, M
IID_NULL, // reserved
$ k- e: g/ z& o! C &Name, // Array of names to get IDs for4 e+ d3 a S6 V7 ^4 E
1, // # of names in the array7 f' Q& q- O7 a' e
LOCALE_SYSTEM_DEFAULT, // System locale
" A$ t2 T4 O* v# I# V4 ?9 O; \# J &pokeID); // Array of IDs to fill on output8 x! h+ I) p! x+ K! Z4 C
L; r! m8 S% p if (hr)
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MessageBox ("Get Poke Unsuccessful");
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/**************************传递数据给extend**************************************/
7 ]1 o6 G# e: j5 R, F2 O- r* N( } | pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! M7 O L T9 @
9 K/ J# v; r# u* c: F( E g6 s valueStr = SysAllocString((WCHAR *) L"1232");
2 d5 q/ m/ X1 P$ e2 { VariantInit(&pokeVariant[0]); 2 H2 H1 W+ k- }! @' v* l8 _$ D
pokeVariant[0].vt = VT_BSTR;
- g8 w# v5 M; W% L, h U pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, `/ @/ n, }% |) p! J1 ?' F- \7 ]
VariantInit(&pokeVariant[1]);
8 U' s2 {5 s/ \! o. x; { pokeVariant[1].vt = VT_BSTR;3 ^) s# _- X( S q6 A5 y8 b
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: O. F2 S ^9 z. c/ r* E VariantInit(&pokeVariant[2]); ) x% p; R( z; R) W. u, b8 X
pokeVariant[2].vt = VT_BSTR;5 Z! n; O8 q' u3 F* V
pokeVariant[2].bstrVal = topicStr;
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. b+ ?+ \: [7 N+ ]4 L3 O// Set the DISPPARAMS structure that holds the variant." ^' `* q$ y W
3 U+ w# `3 s; D dp.rgvarg = pokeVariant;/ t9 x0 c% J8 `8 d. K5 M
dp.cArgs = 3;4 K* _* Y1 j4 [# H4 S) @% w
dp.rgdispidNamedArgs = NULL;( w0 a0 l* { I" H
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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: ^. a' t) S( O, L hr = m_pDisp->Invoke(
$ X/ C' f' d+ Y2 x8 A pokeID,
* N5 v: L8 C5 B0 t IID_NULL,4 Z3 F, |" t. Z S- @) S, \
LOCALE_SYSTEM_DEFAULT,) F' X3 W/ x4 S, v4 p
DISPATCH_METHOD,$ W, ]* r0 H4 O* J0 [: i7 R6 `+ m' f* Z7 B
&dp,
! F$ Z& f: C3 w- ^7 E1 L" Q NULL,
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&uiErr);& R. e$ m; P4 G% Y
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SysFreeString(topicStr);* ~! f+ p/ x/ f, E# A a7 Z, _8 w
SysFreeString(itemStr);" \& }2 x' Y6 p/ ~
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???6 o- S; O& ]4 I7 o4 n: 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( E' G0 ^# y4 `" j. _ @
// Request a value from Extend+ Z5 Z/ ]' d9 r4 x- u r
//
+ F Y3 |. F' B1 o* ~// Initialize the variant that will hold the BSTR. Set the variant's. K1 c7 Z0 o/ \) @! O' O2 K, e
// type flag to indicate the fact that this variant holds a BSTR. Place the
- `7 n" e! M: C; D; T: g// BSTR into the variant structure.. a! j; y2 R0 O5 B4 r3 n
( C' @% ~* B1 n6 {( g7 U requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! ^/ c0 k5 f& W& B' r! d
3 |. k4 D; w# J E9 i. C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* m* b8 p7 K. Z, p VariantInit(&requestVariant[0]); % F1 |4 _8 e1 x% f
requestVariant[0].vt = VT_BSTR;
R% g) f- Z8 ^. }) R1 M requestVariant[0].bstrVal = itemStr;7 k3 }& I8 R: E1 G4 g2 a" x) l
6 f) d- h7 L" f# H9 ~+ u% Y- q topicStr = SysAllocString((WCHAR *) L"system");
; h+ e) K0 E( T9 ]/ C: C M; K VariantInit(&requestVariant[1]); + g* D4 M8 T; ^ g4 ?, Y" E c! w
requestVariant[1].vt = VT_BSTR;( h+ C4 m7 F. d# {7 N U
requestVariant[1].bstrVal = topicStr;
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& n" t/ \9 F! \' g// Set the DISPPARAMS structure that holds the variant.: G+ x( {/ W3 `
1 t' y% n, V/ J dp2.rgvarg = requestVariant;
6 ~6 x/ X' l" s) k2 A0 f: M dp2.cArgs = 2;
$ C2 w" c J3 h dp2.rgdispidNamedArgs = NULL;0 O: S& Y+ F3 H4 I* U
dp2.cNamedArgs = 0;
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0 P. E/ }; G4 `7 u/ v var.vt = VT_EMPTY;, O3 w( R b8 P2 P& v# u: p
. J: q1 t, [/ {// Call IDispatch::Invoke()0 f K" D5 m, y3 K) E8 `0 w2 `
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hr = m_pDisp->Invoke(* ?0 U( e9 f; K. f* Z+ N# O b% [
requestID,$ W, o9 @9 B: D0 E* H6 B5 M0 J
IID_NULL,
8 F- ?2 V) d7 R) W8 d: D LOCALE_SYSTEM_DEFAULT,
5 D6 t0 B3 u1 D1 u; O' m3 o. l DISPATCH_METHOD,( K0 ^7 E7 l6 I, S: @
&dp2,; l5 u0 Y( [0 _6 N! y4 _$ d: f* e
&var,
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&uiErr);
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/ F5 j k( t" k1 z9 r4 a* h SysFreeString(topicStr);
* c2 Q) i' \/ ?/ {2 | SysFreeString(itemStr);' d* q, Z+ U! e; l: y' j2 v
请问该程序是获得extend里面的哪个值?
5 Q! P+ Z8 a8 j% x! D5 x! d5 y) b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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