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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 ^( S7 Y' c' k# rName = (WCHAR *) L"Poke";" O8 O, u: m. \# [3 g2 j
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hr = m_pDisp->GetIDsOfNames (4 ?" Y8 F% v5 \3 `- i
IID_NULL, // reserved7 m' ?) Y& U. g) C Q) P
&Name, // Array of names to get IDs for
+ ?% M2 d& y+ f" O 1, // # of names in the array2 f' @: Z) ^: ^; d
LOCALE_SYSTEM_DEFAULT, // System locale) z5 K- w% F9 a! Q3 h: P
&pokeID); // Array of IDs to fill on output- F4 s5 k( B9 T: b+ g
( |. I/ P- p5 d
if (hr)
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MessageBox ("Get Poke Unsuccessful");3 P( L2 _- o) x7 Q' S" P
return;: X# Z# K% I0 U3 o5 d! r
}
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" d4 N: G; u9 S: f/**************************传递数据给extend**************************************/
4 E2 |3 z! s: _& B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. f r) ]3 |: ]1 F5 \- X4 p
& J2 u1 Y* q6 c2 B; e valueStr = SysAllocString((WCHAR *) L"1232");
0 \3 K, n3 F: x5 {8 x VariantInit(&pokeVariant[0]); 2 }) t0 d2 O @/ R% f, v
pokeVariant[0].vt = VT_BSTR; L9 N3 {5 c8 z6 m/ C
pokeVariant[0].bstrVal = valueStr;
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% R& E+ b) E- z7 a8 t4 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 E& O$ u A7 [& M& r( O VariantInit(&pokeVariant[1]); 9 G/ y+ a$ j2 ?
pokeVariant[1].vt = VT_BSTR;
. [* e; Q1 T: H: o$ p3 _ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");) |3 K- J& ]6 f' M
VariantInit(&pokeVariant[2]); - C3 P; k- n6 g$ j7 e8 b
pokeVariant[2].vt = VT_BSTR;
7 C8 }2 Y5 a2 J pokeVariant[2].bstrVal = topicStr;- K2 k( g2 N: r4 j4 o3 ^
' ? m0 X8 V" [1 H% C: a6 T// Set the DISPPARAMS structure that holds the variant.6 Q; k# R9 \6 L) u
$ d) x$ y7 d0 C) S& X2 }" h9 I. _ dp.rgvarg = pokeVariant;) l5 ~) J9 ~* `! Z" @
dp.cArgs = 3;4 `# M$ L' P" [) _. p2 }8 x
dp.rgdispidNamedArgs = NULL;0 x+ |- f7 { V- i+ x6 d" o. P1 o
dp.cNamedArgs = 0;
& T- u: T. U6 H$ d. @- u
- r4 B9 L! Y8 B// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 V/ f, f$ ^; G7 t3 g. @4 ], L2 K
pokeID,
9 q9 Z# E- a3 k5 T- n7 z1 G0 y5 s IID_NULL,
3 \7 B1 X. M* h; t LOCALE_SYSTEM_DEFAULT,
# u* s& \# G/ P) S( [1 H DISPATCH_METHOD,$ V6 \5 B1 M7 R6 ~
&dp,
# P, Q7 R2 e0 ?) O$ A' U NULL," L5 C0 O& \; m9 r1 z9 G9 t! ^+ A
&ei,4 \- e- k2 z2 a# U* d6 j
&uiErr);+ Z- |0 ]; e; l. p, S
3 @, E$ G/ S7 R3 @9 o SysFreeString(topicStr);2 P( t8 E" V0 v* B- S' d0 n: N
SysFreeString(itemStr);# K# F4 g* r. E. @& I- `1 R1 z
SysFreeString(valueStr);
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' O6 P+ k& g/ ~( U; d" 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???2 {7 L; b+ |# }1 L: }) 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
! z0 ^+ j, e8 b. b, |/ m// Request a value from Extend
7 L1 ]- Q9 M, c- i# Q# C//
~1 }. p: Y/ x- c& i// Initialize the variant that will hold the BSTR. Set the variant's
4 z- ?+ ]; P2 v6 J// type flag to indicate the fact that this variant holds a BSTR. Place the+ x( s, G) f4 a" {
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 ~( Z+ o/ ]9 B( @
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 o0 I/ x# |; S% c; j VariantInit(&requestVariant[0]); 2 J. P! @, G& r# o2 H& E+ C
requestVariant[0].vt = VT_BSTR;. f- P4 f$ s1 w. H
requestVariant[0].bstrVal = itemStr;1 K9 i4 ~1 ]/ |$ t
+ s5 u) E v' E1 j% {/ l8 [ topicStr = SysAllocString((WCHAR *) L"system");/ ?' G6 K$ A7 A* h% R; N
VariantInit(&requestVariant[1]); 8 `& h1 _1 i4 V9 N
requestVariant[1].vt = VT_BSTR;1 \# N" S) ^/ k8 E6 U: ]2 L5 o
requestVariant[1].bstrVal = topicStr;3 W/ Y5 N) P; I9 f# I4 z- j
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
6 P, a# _5 }$ J1 C6 ^9 S$ B# U" s! S dp2.cArgs = 2;
2 R5 Z! |: Y3 l( H- k* n2 p dp2.rgdispidNamedArgs = NULL;+ E+ t2 p! }: }8 e
dp2.cNamedArgs = 0;: P3 W% J4 w' m5 X
$ m+ \" \# R# D' R, N- |+ p var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()# k( |' A1 N/ e) [# O
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hr = m_pDisp->Invoke(
' C* x8 J9 y1 z. Y requestID,) Z- P4 C, { j
IID_NULL,& Q4 R. `: F, n* Z' k; q& ?8 ?
LOCALE_SYSTEM_DEFAULT,
- }4 y1 t( n* F2 B( {2 R } DISPATCH_METHOD,
& G# |7 u J% T H6 R, }9 F &dp2,
& p0 y) S& w( p- ` &var,
3 K7 }( m! M8 Z% e( A0 ^6 |5 x# B- V &ei,) v. X3 v8 R3 o7 }
&uiErr);* H. q& f8 u+ f* |# r
" d: y' ]5 H0 U% ?. n1 K SysFreeString(topicStr);3 H! W4 Q1 K1 c% _: ?# }+ ^
SysFreeString(itemStr);
- g$ e, o) D* C9 E1 A2 E1 M* j请问该程序是获得extend里面的哪个值?
! [5 P# P+ q% ~, P# p: _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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