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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:
. D9 l& `; A: j4 `9 |+ H& CName = (WCHAR *) L"Poke";8 d6 W5 R" y M, }( L( x
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hr = m_pDisp->GetIDsOfNames (, q) ^: y- P- f7 C* G6 I& V" d
IID_NULL, // reserved" u; p+ \ w& l5 H" x$ p; }
&Name, // Array of names to get IDs for
q! r& |% M( f 1, // # of names in the array
+ q3 u3 Y! g( k+ w. J u) ] LOCALE_SYSTEM_DEFAULT, // System locale, t* U1 Q- y( A0 b* K6 t0 k S7 e7 b2 [
&pokeID); // Array of IDs to fill on output! f0 x5 k! ?( u7 y% H# }7 v, s2 C
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if (hr)+ e- X- B3 \' M2 q0 m7 v0 Q
{
; g9 v, f, @/ f; F* K MessageBox ("Get Poke Unsuccessful");
% B9 r6 w$ P9 F return;8 q& {5 x4 F" J: a7 f
}9 `7 v" W6 \1 Q* _" S* s
+ m4 z7 i* P5 |0 Y/ h" W) |2 ]/**************************传递数据给extend**************************************/: p& Z) e4 z! ^! @( @- U
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) Q- T$ U3 q, v: L: Z- X1 V( d: D
8 s; G, I! X% t V" u9 [( c1 w valueStr = SysAllocString((WCHAR *) L"1232");
& t e3 F* p/ D T/ M3 s VariantInit(&pokeVariant[0]);
" G4 x) ~7 `: G! c' c pokeVariant[0].vt = VT_BSTR;
8 v3 p0 [2 o1 i5 t7 U# O) I5 P' ` pokeVariant[0].bstrVal = valueStr;$ H% q4 O* P/ T8 y+ F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" U! S- Y- k' F8 S% X
VariantInit(&pokeVariant[1]); 8 A0 k2 M) B: S
pokeVariant[1].vt = VT_BSTR; y* q8 y* e$ Y6 A9 a* ]
pokeVariant[1].bstrVal = itemStr;$ @5 F5 G: r" {- D: D: T
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topicStr = SysAllocString((WCHAR *) L"system");! e/ e( T) d) V. V2 V
VariantInit(&pokeVariant[2]);
' M& j. d( _3 g& L! N" v pokeVariant[2].vt = VT_BSTR;
% e1 p! L9 @" u) V" O pokeVariant[2].bstrVal = topicStr;! p, i# `8 }5 u Q& [# q, z
: ~1 C0 g, @' a D// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
% r# v) {) H) n7 U3 Y dp.cArgs = 3;! p/ l4 w6 p" B' r+ k5 F
dp.rgdispidNamedArgs = NULL;/ u! E1 ^3 `2 J2 G& v3 q! A
dp.cNamedArgs = 0;9 l. J. T+ C3 H, {2 g; Q
+ Q) h/ Y! u9 b2 G
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
' N' R. Y0 d( I$ p9 \0 S2 a4 [9 A pokeID,( U/ B1 L1 }8 l4 P. Y
IID_NULL,6 J" Z) B1 v5 ]+ Y2 i
LOCALE_SYSTEM_DEFAULT,
$ w; ]) Q; m( F) y9 i; h DISPATCH_METHOD,8 r. R0 d: P( i- m8 s2 _& R/ ]4 C. i; K
&dp,& ?4 [, r% S+ E# E
NULL,. p% o0 q8 p1 V1 \
&ei,+ x9 t5 `, G# s6 r
&uiErr);% Q1 t" K" j0 K7 a7 i, @* q
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SysFreeString(topicStr);$ r$ G6 U) i" Z. g* ?6 R( |
SysFreeString(itemStr);" Z I0 l1 u4 U) c) C. E, M) [7 w
SysFreeString(valueStr);& _& `: Y5 x& |
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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???
|8 ~$ f9 b7 u- ]0 u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9 `) n( ~9 N9 Q- ]
// Request a value from Extend
% A V& x% W. T//# O5 M1 M: s5 |# K
// Initialize the variant that will hold the BSTR. Set the variant's
8 U G+ T1 ~0 A" [* k// type flag to indicate the fact that this variant holds a BSTR. Place the6 q2 }5 H, ^. \' F% X3 a
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: p+ ^( m. c N. U# [1 l9 r* I
1 B7 R# y. J1 m. U& Y: n: {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! a' r# O4 K! g$ p R% x) M I VariantInit(&requestVariant[0]); ' Z, _2 J3 V/ z9 V0 x
requestVariant[0].vt = VT_BSTR;, B! X- Z. ] k
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- r- m) N E2 Y6 n VariantInit(&requestVariant[1]);
d8 @; ]( n' \7 b requestVariant[1].vt = VT_BSTR;# k' F+ h: H( x# P" [9 O
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;% `! B9 }; ~5 B
dp2.cArgs = 2;
7 q: Q* H" Y8 J1 [: H dp2.rgdispidNamedArgs = NULL;. p$ I, L% D2 \% ?& e
dp2.cNamedArgs = 0;" J* ?1 z! [+ r# L1 i! ~
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var.vt = VT_EMPTY;! ^. a$ Y& u8 x0 o2 G' D+ ] J
1 ^' |! I3 f$ ] u& d C. \// Call IDispatch::Invoke()9 Q' d& Y, U; {9 J; y/ Q2 m# Y: ~# ^1 Z
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hr = m_pDisp->Invoke() D& q5 n t6 J \8 P# L8 [4 U
requestID,
" M( A x3 U4 o' ] IID_NULL,
# k% G; ?+ J+ E q6 T2 w8 D LOCALE_SYSTEM_DEFAULT,
/ l0 W( _- v+ r7 L( p/ z6 U DISPATCH_METHOD,! K7 m+ C% ~% Y
&dp2, B1 q3 l0 H- T5 [( T
&var,: `1 V4 P- B* k0 m# e6 M2 [# u* Y4 K
&ei,: [6 t5 u* H- W4 r" w) H
&uiErr);: M$ C8 u: N! K# d; H, [" ^# [/ C. o
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SysFreeString(topicStr);
) x5 ^# q& k3 H& J5 E S0 [; Y SysFreeString(itemStr);
$ [$ o+ ^8 K" Z2 n请问该程序是获得extend里面的哪个值?, I5 n2 E' ?! }4 f, ~% R
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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