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: ! M$ R# y* V& \- h6 KName = (WCHAR *) L"Poke"; ; E6 K0 e) ^4 g" n, j , W- U, e( S; V6 q, a* d
hr = m_pDisp->GetIDsOfNames ( 9 q2 ?/ e$ r7 ?, V. d IID_NULL, // reserved 7 m' M' |7 c* X &Name, // Array of names to get IDs for 3 n* h6 W5 D. h. M+ i 1, // # of names in the array 3 x) H) M& n$ i LOCALE_SYSTEM_DEFAULT, // System locale* L6 C$ u8 o `/ ^
&pokeID); // Array of IDs to fill on output: [3 Y2 n2 Z; p# ^! P! c4 f: p
! {5 f, p7 V* p& F+ J- z2 W if (hr) ) z1 P/ n- |6 ]+ s { . V" y: T n( v8 O) z; m- @! ~2 B MessageBox ("Get Poke Unsuccessful");8 d# k9 u- f7 e- @# M
return;% \2 f/ M) ]' m
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/**************************传递数据给extend**************************************/+ n! M$ L0 d/ Z2 _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); - J; [. _$ ?& v8 d5 w. N " h& e3 u7 ?+ a2 M$ _/ ^ valueStr = SysAllocString((WCHAR *) L"1232");! u$ z& G* H7 w/ `; C* M; l( g! M; K
VariantInit(&pokeVariant[0]); $ F, R& b; K" |
pokeVariant[0].vt = VT_BSTR; , ~2 v$ x/ @2 H5 J' F2 h4 B5 a pokeVariant[0].bstrVal = valueStr; 9 F1 D* j( t1 o- H" F, s( t" g7 C
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 `" m/ U9 T+ q
VariantInit(&pokeVariant[1]); ^* n! y+ O6 m7 h# q' x; | pokeVariant[1].vt = VT_BSTR; / n6 r. v/ c& b+ u0 q3 }5 E pokeVariant[1].bstrVal = itemStr; # C: v8 E0 T! }7 T8 g& h( ]! D) ~) M- I U/ |: K5 n
topicStr = SysAllocString((WCHAR *) L"system"); 0 A" }2 n/ a; |: r0 M VariantInit(&pokeVariant[2]); & |! |' h* g1 E pokeVariant[2].vt = VT_BSTR; . U3 d) A/ S$ K5 t pokeVariant[2].bstrVal = topicStr; ; l1 s6 y/ }; D, c, b# E F3 g5 K, x/ ]* P) h
// Set the DISPPARAMS structure that holds the variant. P4 J8 t, D( c* S0 [( f/ c0 t