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:; P. r4 ^6 H7 f7 a, w- y. I
Name = (WCHAR *) L"Poke";& k3 f7 t* X9 F: u( A7 [! q6 {* v3 B
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hr = m_pDisp->GetIDsOfNames (, c+ Q* N$ H+ o2 h
IID_NULL, // reserved 2 H' a, @5 P, i& D &Name, // Array of names to get IDs for% v1 U, V: f: g" y
1, // # of names in the array; h9 L( y. Q- H: K, J
LOCALE_SYSTEM_DEFAULT, // System locale , G5 u0 i# K/ U( |5 N. u% m &pokeID); // Array of IDs to fill on output' D8 a* I/ D$ U; w8 F
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if (hr)* C5 c; h/ I) K+ |7 s
{ E! M8 G) ?1 Q# a* j- u MessageBox ("Get Poke Unsuccessful"); 9 @+ s% s2 X8 ?; T. ^ g return;* }. b9 _" e7 t- j, P
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7 x l2 D* E W# H/ Y5 G3 L1 n% q/ a/**************************传递数据给extend**************************************/ : s8 m8 L: }, a7 r! J& ?0 P, O; @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); S3 }2 [3 g. W8 |/ B5 F , ^% y, b6 O, `) Y, o5 F valueStr = SysAllocString((WCHAR *) L"1232");* T2 s% j. T+ k$ }8 }) |6 C0 Q
VariantInit(&pokeVariant[0]); " e2 N+ h- w8 |1 ^/ Y pokeVariant[0].vt = VT_BSTR; & h! b. l) q; k& k" h pokeVariant[0].bstrVal = valueStr;$ `: `& l$ d6 Z! b% M& O. q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ( S9 i. K7 H; a$ g7 ~$ `; | VariantInit(&pokeVariant[1]); ! F/ D5 k m6 j, }
pokeVariant[1].vt = VT_BSTR;# p6 Q0 C# }( v
pokeVariant[1].bstrVal = itemStr; 8 i6 q7 U0 s" i/ ?* S" s% g: }! ]+ h4 q) ]* {/ }
topicStr = SysAllocString((WCHAR *) L"system");+ h7 }7 |. r! l' o3 j, f
VariantInit(&pokeVariant[2]); / y0 v' k7 Q' f3 k3 c7 I: } C& [
pokeVariant[2].vt = VT_BSTR;* I7 b- m4 H. B, O- ~
pokeVariant[2].bstrVal = topicStr;7 V, X4 ]' d& M3 i5 V- E* a
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// Set the DISPPARAMS structure that holds the variant.8 G' H# _ P, q3 J3 i* ]
; k0 g% B5 d& V- j- d# N( |, a; d1 r dp.rgvarg = pokeVariant; $ L- o/ C, Q& _4 @7 Z dp.cArgs = 3; " t' n0 W: }9 q& ~- A0 i3 | dp.rgdispidNamedArgs = NULL;0 u9 n% _" f) O' z. c. q
dp.cNamedArgs = 0;( d* }% k) R" r