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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:5 s3 P( T$ g9 E3 v( k0 W
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (6 [0 E ]; u, @) b% b
IID_NULL, // reserved; d; p+ g. l/ R+ ~$ y; `( d
&Name, // Array of names to get IDs for$ m* J1 Q# S# _( @2 }& W
1, // # of names in the array) H+ {$ S% \2 G# o& k
LOCALE_SYSTEM_DEFAULT, // System locale, C: y6 s3 f% ~& p0 j- `. s3 ?
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
3 }: ]4 f" {5 }- W) O return;8 F# {6 g$ f4 \
}
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+ S' N+ z: j5 {$ F G/**************************传递数据给extend**************************************/
$ F- Q7 V+ \, K. ^' X" ^4 E3 i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
6 V# z5 t8 w) ?; R VariantInit(&pokeVariant[0]); $ }: h* v* t( ~. o$ h
pokeVariant[0].vt = VT_BSTR;
' p5 z7 Y/ O+ v( r' `. w pokeVariant[0].bstrVal = valueStr;
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% I* \, i: V6 S& Q/ @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* A* T4 N) Y; d% r VariantInit(&pokeVariant[1]);
3 ], f4 F! _% J3 A2 m pokeVariant[1].vt = VT_BSTR;
9 y& G5 x Q8 h, T pokeVariant[1].bstrVal = itemStr;! l0 _* l0 H4 n4 a; ]3 M7 i- Z9 `
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topicStr = SysAllocString((WCHAR *) L"system");' `9 L, j2 C) T
VariantInit(&pokeVariant[2]); 7 O' v# y* P3 y6 J! j
pokeVariant[2].vt = VT_BSTR;
( m, e+ }/ e. r3 F3 y pokeVariant[2].bstrVal = topicStr;0 D- Y# O5 d! m7 T7 f8 W* M2 T
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// Set the DISPPARAMS structure that holds the variant.$ G8 b8 w3 Y+ U
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dp.rgvarg = pokeVariant;
2 H) t( F1 n; L7 G' `/ J dp.cArgs = 3;
4 _& ~4 A1 B$ @ dp.rgdispidNamedArgs = NULL;
( ]! Y' ^ P. ]; s" E dp.cNamedArgs = 0;
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/ G& o) Z/ X3 S# v) L! j$ G// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" M2 A1 E: d+ L5 ?; i
pokeID,5 t3 o, m, \# E2 C* Y; y7 t/ [
IID_NULL,
; ~, A+ b$ q' X$ }! F5 C LOCALE_SYSTEM_DEFAULT,$ [- r! d, X% r) B8 R r
DISPATCH_METHOD,) S( d$ n1 z/ d% c
&dp,
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&ei,3 r6 e8 g- L Y! |6 U% P
&uiErr);6 W" [5 j4 A) k+ g# g
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SysFreeString(topicStr);) |2 D r8 j. ?$ A* ?
SysFreeString(itemStr);
! G- u# X) n# k0 ` SysFreeString(valueStr);
8 \5 \/ ^1 Z+ c' P1 g4 y ^* U( p! j |' V D4 b
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???7 g7 N0 e$ Y4 V" R: I& X5 i% y
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
- H$ o& \# k+ C) J1 D, g// Request a value from Extend
3 W. I8 J+ O, t9 r//
4 B$ h1 }1 a; M, V// Initialize the variant that will hold the BSTR. Set the variant's! ~& w/ F: X5 {8 l9 m: r6 i
// type flag to indicate the fact that this variant holds a BSTR. Place the1 l8 D" v2 _) I/ b& g
// BSTR into the variant structure.3 o% \4 ?8 Y0 I& _# `3 [1 r
3 ^; g7 h# d" i8 R9 \2 _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 E, u7 x0 H. L7 l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 ] I4 r; \" J* C2 z# I
VariantInit(&requestVariant[0]);
' h, W0 `7 }- v& g9 U; I5 B requestVariant[0].vt = VT_BSTR;
8 b) }( Z3 ~& o6 { requestVariant[0].bstrVal = itemStr;" r2 N* _5 I2 ?; b, i' V$ r f* M0 x$ v, A
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topicStr = SysAllocString((WCHAR *) L"system");9 j$ i2 B; G j% s/ x2 C; ]- D
VariantInit(&requestVariant[1]); " c$ m6 m, w. k) @8 p, @/ Y
requestVariant[1].vt = VT_BSTR;
* E/ m P+ R# x7 @( |# ?! R requestVariant[1].bstrVal = topicStr;3 b2 S/ l" W& l
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// Set the DISPPARAMS structure that holds the variant.1 P3 E1 X; \" |9 k7 X+ H
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dp2.rgvarg = requestVariant;) t, g. x$ b6 n/ _& ]3 f5 J
dp2.cArgs = 2;6 Z4 G3 w3 O ~+ G; V4 c
dp2.rgdispidNamedArgs = NULL;
; ?$ h# y1 y5 o' W/ f! G7 w* r dp2.cNamedArgs = 0;
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3 `/ X- t5 j; e var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(). |5 K% G+ w( v/ V, T
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hr = m_pDisp->Invoke(
; d+ K( X8 k6 v1 ^ requestID,4 Z9 v: z5 u4 X+ N# f
IID_NULL,7 U" R/ y1 q. f, I6 k) v
LOCALE_SYSTEM_DEFAULT,8 e3 I- c1 t8 J4 ^$ [) q8 Q
DISPATCH_METHOD,
8 `8 B* c" N& |( G4 e3 N &dp2,/ ?& x5 {& n3 g- t
&var,! G9 g$ ]+ v5 t5 N, o. q
&ei,/ p: q$ C1 s5 c0 j% V% [7 ?9 U: D+ a
&uiErr);
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, |+ G% z$ v% g# D- | SysFreeString(topicStr);' H1 ~& l& P" `4 b
SysFreeString(itemStr);
- K% w) I8 D" P3 C请问该程序是获得extend里面的哪个值?
, S5 f3 ?# r0 F' L3 X f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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