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:3 w# R1 r0 S* m5 N, |# M+ Z
Name = (WCHAR *) L"Poke";0 e6 s" V- _: j( d# c
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hr = m_pDisp->GetIDsOfNames (1 o% c0 Q% T0 W. N
IID_NULL, // reserved $ a% d$ e( Y: P j8 X4 ?# [ &Name, // Array of names to get IDs for $ w8 p: R( `% A3 e' W; o' ^7 O 1, // # of names in the array ! J7 T! O! _' c. J9 b4 i' p LOCALE_SYSTEM_DEFAULT, // System locale5 c) N. z \+ w) \ `" K
&pokeID); // Array of IDs to fill on output 7 t7 j, q: T8 o7 Y% K 8 A n' [6 X5 H# P9 {6 Z7 M! k1 ] if (hr) 5 V% n, ?" b% S8 o2 ? {7 T2 w$ ^) h5 C
MessageBox ("Get Poke Unsuccessful");: k: w0 ~4 d# k7 D
return; ' G7 o# a; S4 M } ; i1 ], W1 _6 a( i 6 X: S, C7 z5 l4 w. `/**************************传递数据给extend**************************************// c8 P. h+ w/ M; P$ z8 ? O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); D% ?2 f: {$ g1 F: A& m( x
. W' k% [! K4 F0 l/ Z( q `1 @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. S, _ `% o3 ]4 S3 j) U
VariantInit(&pokeVariant[1]); 4 X0 w" j, {1 n0 w/ h
pokeVariant[1].vt = VT_BSTR; + Q* S5 }. S5 ] pokeVariant[1].bstrVal = itemStr;+ I6 v/ u; ^" W% ], i6 T
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topicStr = SysAllocString((WCHAR *) L"system");9 g: W6 p+ k# D; A5 X
VariantInit(&pokeVariant[2]); ( N0 e4 R; @3 M7 S }
pokeVariant[2].vt = VT_BSTR;5 }) P% ]! \/ W+ ~+ b
pokeVariant[2].bstrVal = topicStr; ' E( \ ^7 Q- c0 v6 j# ?$ j3 u, g8 v' I& G
// Set the DISPPARAMS structure that holds the variant. u1 b0 e- P4 ^0 ]* q* o
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dp.rgvarg = pokeVariant; 8 w/ r L/ ~+ e6 T dp.cArgs = 3;% z! K2 |% i3 b+ R4 K1 U
dp.rgdispidNamedArgs = NULL;3 c) l9 a6 ]" F6 G2 t6 \& K3 p
dp.cNamedArgs = 0;* w0 Z' E, `- x! B2 D% V6 f
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// Call IDispatch::Invoke() 7 V& D% ~8 y+ z9 |& D 6 n7 v! h* q/ E# P5 ? hr = m_pDisp->Invoke( ( f9 p+ [9 X/ B T1 p pokeID, ! e0 ]0 P/ m; p, L) f; P; \ IID_NULL,. R' p! Q2 g5 S0 O
LOCALE_SYSTEM_DEFAULT, # M( j6 K* j3 P) W DISPATCH_METHOD,- x R' y0 S _
&dp,) u4 [8 D! I7 A% u
NULL, ! L( u0 }8 e* l2 ^& |8 z6 V4 K# c &ei,, y2 c0 f; `1 R5 w7 V
&uiErr);' g- C, O3 X* H4 c
3 ]3 R) B: q/ S SysFreeString(topicStr); # {' K7 L( l# }4 Z3 H SysFreeString(itemStr);5 K! `+ Y& f, Q
SysFreeString(valueStr);1 r: T3 E/ b% `' p# m5 L, f
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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??? ( h5 a9 t; |- H6 g2 B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???? ( N) o j/ q) ] 6 J6 T$ V* u2 m3 R- ^% Z& u; ]+ e9 H# Y; D5 L0 ?
2.这是request的程序 ( |! U. s6 ]( o% Z7 U: R! x; D// Request a value from Extend1 ^2 L' |8 U: J8 u7 e
//+ m% b; o: m5 {% F, U& s3 A2 M
// Initialize the variant that will hold the BSTR. Set the variant's5 a: i& g$ k7 V1 _( X) |3 V
// type flag to indicate the fact that this variant holds a BSTR. Place the5 a+ b$ a N$ d+ y+ I
// BSTR into the variant structure. ! A- j0 W& d. M) Z. N1 S, n; R) s& m: G1 ~7 @
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! _3 n! M5 y% g0 U8 ?. t2 S
* m7 a+ b/ t. q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 y6 S6 p2 r, K( P9 i- k6 A
VariantInit(&requestVariant[0]); ( ~2 Y, _* i) u+ ~) y2 l7 [0 x( @ requestVariant[0].vt = VT_BSTR; - M4 ^0 [, f" F' m; G requestVariant[0].bstrVal = itemStr; 7 _9 Y0 a& W- T: v+ i0 p . I, X: `. W/ A0 g topicStr = SysAllocString((WCHAR *) L"system");+ P: s4 G! B0 y+ x# o
VariantInit(&requestVariant[1]); - Z+ P: E0 g; n: |" ?
requestVariant[1].vt = VT_BSTR; " E7 Q# ?& {# @ requestVariant[1].bstrVal = topicStr; / d) l9 G# D- R, ^& B) G* ^ . O+ U+ ~& j! X ^8 ?2 u1 Q( n7 n// Set the DISPPARAMS structure that holds the variant.* M1 T; o4 W- A7 Q5 O5 L# S