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:8 J" I9 k' a. x. B; V
Name = (WCHAR *) L"Poke"; 4 D" R* O6 `& q 6 Z- O* K4 }9 `7 ?
hr = m_pDisp->GetIDsOfNames (2 T* U3 s" A [! F/ e3 e& J
IID_NULL, // reserved" W$ z W& W8 ?
&Name, // Array of names to get IDs for8 B9 l4 v5 V9 a, }; O9 Y! z6 c8 M
1, // # of names in the array 4 G8 A; V9 n) d LOCALE_SYSTEM_DEFAULT, // System locale7 X/ [4 i. r# T, x( d& n) T
&pokeID); // Array of IDs to fill on output, m$ Y+ c; O B% A- f% j3 y2 M. S
/ q: e: Z! U: H7 x; g+ P* ?# N if (hr) ) D0 Q" X8 E# F) T- b. } { ' G( b% P9 c! n |# P: ` MessageBox ("Get Poke Unsuccessful");7 q8 X- ^8 | F
return; " c3 { a9 t% b) Z. A" D } 7 D4 j5 |; c: m. K$ o! v) Z- {8 ]0 o0 {
/**************************传递数据给extend**************************************/ # ?. M2 k% R% x" I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. u6 Y# J" v/ }8 K6 o
3 x3 Z* h! |$ C2 c. j- }' Z9 S# R4 K valueStr = SysAllocString((WCHAR *) L"1232"); 7 [& z0 j4 M- `, h( t$ Q7 K VariantInit(&pokeVariant[0]); N8 j) y' ]4 Y/ h- Y( m3 L pokeVariant[0].vt = VT_BSTR;8 m& M) `9 i) y- i& g- }- V$ [8 l
pokeVariant[0].bstrVal = valueStr;8 B; G/ n( z% n4 n* F1 M
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 [5 ?& n: I1 z1 u
VariantInit(&pokeVariant[1]); 1 @6 z6 B1 ^% r% x5 j
pokeVariant[1].vt = VT_BSTR; ! v; U" O: G7 G9 ]5 F* L) u* { pokeVariant[1].bstrVal = itemStr; . d) k- |- s+ }8 n% E * f$ k: ^8 X1 _* L! d2 V+ U topicStr = SysAllocString((WCHAR *) L"system");2 X8 {% X6 ~" U7 [) g
VariantInit(&pokeVariant[2]); * B( {$ ]2 Y- f; N: S
pokeVariant[2].vt = VT_BSTR;5 c0 T1 `6 J" s1 F# N
pokeVariant[2].bstrVal = topicStr;( J6 U9 b" `! [7 }
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// Set the DISPPARAMS structure that holds the variant.% c+ `6 l: a1 M) L