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 o( z( [; G, Y( E. Q# V
Name = (WCHAR *) L"Poke"; + z/ B$ I; G8 v" c7 u5 ]" ? ! L! @' S" P1 r7 s$ u4 b
hr = m_pDisp->GetIDsOfNames ( 8 F1 E8 f! Y/ P. D- x: | IID_NULL, // reserved( z" k9 \. K; t& B8 P4 x" L, d
&Name, // Array of names to get IDs for 4 u: Z. g, }! ~% |3 r3 L# b 1, // # of names in the array# u* t a& H# D+ G. W9 ?
LOCALE_SYSTEM_DEFAULT, // System locale# p h7 g9 J% F p
&pokeID); // Array of IDs to fill on output0 q/ \) C8 Y0 t/ i
& N/ r% M) c4 X0 V9 x) p- K if (hr)) N* p6 ]' P: f# g6 C# d
{: K" h5 d. U4 D
MessageBox ("Get Poke Unsuccessful"); 8 m" ^( d* n2 i/ Z9 f return;3 g4 L8 M0 u+ ?: L& R% W5 [
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g& l& Y0 j/ C6 X0 \/**************************传递数据给extend**************************************/! c8 _8 n* x; y* Y; p' i& m+ z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); - y6 o. k( @' q) [ ; D1 K5 ]% u F" C M valueStr = SysAllocString((WCHAR *) L"1232");$ W- Q9 K( m+ P
VariantInit(&pokeVariant[0]); 3 v" ~: Y4 V, x: L3 B
pokeVariant[0].vt = VT_BSTR; ! H) g. N% F! v7 N, a2 q pokeVariant[0].bstrVal = valueStr;2 o$ M7 }: F/ |% ]
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 0 g I; D( S+ v0 ?; ]6 _6 a$ ]$ h VariantInit(&pokeVariant[1]); & C8 q' N0 Q N! A2 g9 z5 t9 y. n$ d pokeVariant[1].vt = VT_BSTR;: R: |$ ?* h8 k1 j" O
pokeVariant[1].bstrVal = itemStr;9 p9 K. V2 n8 B# `9 B+ k' M4 w