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:# w, k8 M9 P7 F8 K! h: A3 ~! L0 P$ B h
Name = (WCHAR *) L"Poke"; * c& @2 x2 p* c ) ]! D$ D. o v
hr = m_pDisp->GetIDsOfNames ( 4 ^1 B, i8 G2 u( Q IID_NULL, // reserved& i: ]4 q0 W% Z$ S" b
&Name, // Array of names to get IDs for ) }' b5 c: A* A& d 1, // # of names in the array 5 n% q% U2 |) j6 Z$ f4 a/ n LOCALE_SYSTEM_DEFAULT, // System locale3 W" u6 B8 _& A% T0 I) M
&pokeID); // Array of IDs to fill on output 2 B8 K2 G5 r8 y* i, u% h1 q 4 K- ]; s- L+ G if (hr)8 b6 S7 s4 D$ l4 t
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MessageBox ("Get Poke Unsuccessful"); - O$ [5 d2 c; u+ w5 s T return;. e6 n7 W! x X* y! v# y" S8 O
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$ L. I6 a" @8 `, A) w7 f4 K$ _/**************************传递数据给extend**************************************/ 7 `+ \& Q3 r4 B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 r! ~( |" |" X; t! L
+ V+ L. x( h; D valueStr = SysAllocString((WCHAR *) L"1232"); - p( O& l) z8 o ^' K/ | VariantInit(&pokeVariant[0]); 5 [ u" b9 U$ K pokeVariant[0].vt = VT_BSTR;3 e5 g, G. x, @2 w
pokeVariant[0].bstrVal = valueStr;" N- T- ] ~ _9 |9 N
$ h1 `( T+ K& [! ^+ s4 J5 g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ E+ l+ N* i( U. w
VariantInit(&pokeVariant[1]); : Y) r- ~; g6 {" N4 \8 T7 g0 H pokeVariant[1].vt = VT_BSTR; 5 l% u; e: T. Y4 |# H( q/ T pokeVariant[1].bstrVal = itemStr; ) X7 B) j. _' O0 e# ` 8 v, z/ U8 J* T/ R; A2 u) Z topicStr = SysAllocString((WCHAR *) L"system");2 u- H+ B# ]: I: _) ]- L
VariantInit(&pokeVariant[2]); * Q" z- S( Y* X) ? pokeVariant[2].vt = VT_BSTR; # y& w$ P3 r! z! E7 y pokeVariant[2].bstrVal = topicStr; " S# _9 }) L9 l% h s8 [' O \8 L b+ _1 U1 H
// Set the DISPPARAMS structure that holds the variant.- y2 y1 f& b8 A: p