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 T% T1 N- h( r3 k5 ~" R( A+ l% m
Name = (WCHAR *) L"Poke"; ; Z( }4 h. K' q# l1 J% q' i 9 |+ l/ H8 R/ a, O7 g. X9 }3 T hr = m_pDisp->GetIDsOfNames ( ' n% I6 G6 L, T0 X4 V IID_NULL, // reserved - B, A6 p. {% R8 Q9 ~5 ^ &Name, // Array of names to get IDs for % S1 `( |. W4 k2 q. Q 1, // # of names in the array 7 |$ ?& E0 C. Q+ V5 b LOCALE_SYSTEM_DEFAULT, // System locale A5 Z5 p- h! E &pokeID); // Array of IDs to fill on output+ M5 Y. ]/ k, Q1 E
: b8 |2 ^7 k/ ]' W/ f if (hr): f2 |+ ], |8 [8 L
{ ) V% F5 d: Z+ h$ W: J MessageBox ("Get Poke Unsuccessful");/ N: U8 v, `& [0 p: F
return; : @2 w7 o5 f3 O' w; K } 4 O W: C7 C# P- n7 o7 t& K; n/ r& L4 {& g \
/**************************传递数据给extend**************************************/$ W. K0 B) d! F$ p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 m1 b" X D3 \$ q8 }6 Q
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valueStr = SysAllocString((WCHAR *) L"1232"); ! z5 b$ S- C" q5 U3 O VariantInit(&pokeVariant[0]); 9 m: w1 q) b# I8 R$ n0 W* Z: I pokeVariant[0].vt = VT_BSTR;% X! z6 D8 q8 L4 H4 N2 Y, {, E2 @# n
pokeVariant[0].bstrVal = valueStr;* T$ J/ D H9 P: v2 C, d, C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 J# S! x, T( x
VariantInit(&pokeVariant[1]); 9 e8 i5 Y+ u* I
pokeVariant[1].vt = VT_BSTR;' o& u0 q5 \4 h# }! q3 Q8 e
pokeVariant[1].bstrVal = itemStr;0 @) u( g% ~4 S1 E' q" A* @
2 k" K3 B3 ]; X6 I* |+ D topicStr = SysAllocString((WCHAR *) L"system");" k7 O: j9 m5 x9 F7 S# z# ?
VariantInit(&pokeVariant[2]); & I2 v" ^+ w/ z) X/ Q
pokeVariant[2].vt = VT_BSTR;6 y: w' V! F0 ~7 V
pokeVariant[2].bstrVal = topicStr; - J/ t: v1 ?4 [ : @8 W; U g8 \- u6 Q// Set the DISPPARAMS structure that holds the variant.. \6 \) c1 d) c8 ]7 o8 k, z0 [0 k
2 I! h0 [' c" P& M/ U& E( {6 R// Call IDispatch::Invoke() O# F2 W6 y* O b; \2 X ' p4 q/ g. T# n, \) |( Y/ O hr = m_pDisp->Invoke(% Y; ?9 _+ |; A( C n1 ]
pokeID,) _7 o u) P H
IID_NULL, # k1 f8 J" i# H+ e2 y/ x( Z LOCALE_SYSTEM_DEFAULT,4 B* ?! p$ k% f; k' ^, Z4 M) X0 v9 I
DISPATCH_METHOD, o% c6 p3 Y- I1 C' o
&dp, & i; c6 p. T: J, i) _; J& {! n NULL,5 E5 q+ o+ K" @( |
&ei, 9 h% g2 [) ?1 o, W1 C" M- A6 f &uiErr); d+ O0 I+ t* e" b; e6 U
2 v0 J3 ]/ J% E! [( M$ m6 b SysFreeString(topicStr); * v/ p* _3 E) p SysFreeString(itemStr);$ R) Q5 [ \' ]# K W3 n% z- L
SysFreeString(valueStr);7 E% h J: R2 i7 ?8 N
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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??? ( Z8 I; @1 ^) n* U( i" K7 m+ C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???? 3 }$ @( P5 M. O% @, P" m2 d3 q, d9 S Y% v+ _. c3 @' P
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2.这是request的程序/ R! C( N9 l$ n% z h9 E( c
// Request a value from Extend . s" U4 A ]( ]- [ h3 ^( M; {// 8 l0 W; F1 @) T+ A// Initialize the variant that will hold the BSTR. Set the variant's7 h) s. M0 V# i4 b1 T
// type flag to indicate the fact that this variant holds a BSTR. Place the $ _& [ Z5 i( X7 K8 _// BSTR into the variant structure.& r% C1 d7 l, H5 X, i
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); # O7 f; }: o1 b ( o- B. e' I! o0 T( @3 v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 6 E! ~0 s. c2 b" u# X+ D' o VariantInit(&requestVariant[0]); - m1 W* W9 o% V; x0 G2 q
requestVariant[0].vt = VT_BSTR;* D9 X9 v5 y! ], w. T
requestVariant[0].bstrVal = itemStr;5 \' m! Y6 s& J
4 F# ^9 j" Z% W: R4 } topicStr = SysAllocString((WCHAR *) L"system");/ X- h/ K( E2 h4 P. f
VariantInit(&requestVariant[1]); 4 W, @ R$ N9 G) T \5 t requestVariant[1].vt = VT_BSTR;+ t4 h8 q9 ~( O% a: |& D
requestVariant[1].bstrVal = topicStr;% u% J5 F9 B" |
# U- k( ?# j y ?+ |// Set the DISPPARAMS structure that holds the variant.) g# h8 a! ^" t, p1 E0 U& ?' Z. [9 _
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dp2.rgvarg = requestVariant;2 [$ {0 ?+ { o8 q9 k1 p1 L2 p
dp2.cArgs = 2;) ?% e4 g& G! N
dp2.rgdispidNamedArgs = NULL; 0 M; w* E& e- X t3 ~9 d! u dp2.cNamedArgs = 0;1 K' ~+ N9 R# C1 E: K2 A: L `
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var.vt = VT_EMPTY; j8 [9 }: w- n* ^( o( `8 `4 \, z
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// Call IDispatch::Invoke()/ p& q" L; J$ Y! ]# s! r
- O: a3 e9 |$ ?: i) h( q hr = m_pDisp->Invoke( , V8 W) w( b# d; x5 D requestID,) ]+ m+ ^0 n! U, _6 \: B: X
IID_NULL,9 f4 q5 d: G0 d7 K
LOCALE_SYSTEM_DEFAULT,0 o: l; m0 v: Y g T; C) m
DISPATCH_METHOD,: _' I3 e% r2 y# g( H& R7 |
&dp2,9 W- M7 i5 y+ U9 W) I& y* r. b
&var, - |0 @* U" ?6 V; K7 L+ v6 m( I &ei," o% {) o. X% B% z: p7 h5 ]8 u
&uiErr); 1 p3 o! K* h3 s& W* R & o" v5 k, q& |( X s SysFreeString(topicStr);6 ~3 N& S- i. h' |/ `2 w& r
SysFreeString(itemStr);4 E' d9 R% h1 j; \6 B
请问该程序是获得extend里面的哪个值?4 e1 ]1 L2 B, _' O
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????