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:! j1 H) w. o' E5 w+ D# p2 i
Name = (WCHAR *) L"Poke"; : V0 j+ s$ ^; x- f8 k " V; x. D# s4 J) ]+ A. N1 {
hr = m_pDisp->GetIDsOfNames ( / K1 m w; p& I8 \9 Y IID_NULL, // reserved, k1 f& A$ N u) n/ J) \# v
&Name, // Array of names to get IDs for4 F7 p9 O9 Z" n" j
1, // # of names in the array3 G; _/ Q* Q5 u! P8 y: e
LOCALE_SYSTEM_DEFAULT, // System locale! r' \. \* `1 D L7 D |: V
&pokeID); // Array of IDs to fill on output: f a' r0 G, ~5 ?
5 i8 [% z( }' f$ h1 E; m4 k if (hr)4 Y" Y( V- J; y- S
{ ' d4 ?4 ^' {+ b/ j1 N! ? MessageBox ("Get Poke Unsuccessful");, V% S+ L5 Y5 R6 V# J
return;( U1 y& i7 A- e4 T9 f* t
} x i2 }1 o# D6 h6 f. k0 S
' S& S+ Z w8 s4 I4 ?/**************************传递数据给extend**************************************/4 Y* b) S, H* I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; l7 F. Y# c0 b; k! s
: G8 r4 b, _# K) F valueStr = SysAllocString((WCHAR *) L"1232"); 8 [& A/ V2 O2 w" v# D/ j% X/ F VariantInit(&pokeVariant[0]); 4 t# v) {0 c; J f+ x: t pokeVariant[0].vt = VT_BSTR; 6 X9 t+ S% E: c' \! ^$ q pokeVariant[0].bstrVal = valueStr; ; R$ v. J8 T0 X, `0 b7 B4 n5 {; M4 k) W; A& k2 E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 8 W- d; i& ?* s' j3 z) o1 S VariantInit(&pokeVariant[1]); ' J+ ~" N, R, U! E. `, _ pokeVariant[1].vt = VT_BSTR;7 E3 J3 u0 l, T. b+ G: t
pokeVariant[1].bstrVal = itemStr; / B$ L- K" O% q2 c4 g! Y: m 6 m5 L5 P O% ]; e& o. R topicStr = SysAllocString((WCHAR *) L"system");( T8 c$ }) Y; w Z4 D' @
VariantInit(&pokeVariant[2]); & b) l3 r/ l5 H' T* N# L3 o- X; T1 b pokeVariant[2].vt = VT_BSTR;; m; n. ^( T6 _9 m
pokeVariant[2].bstrVal = topicStr;6 e% ]2 l5 b7 O* i
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// Set the DISPPARAMS structure that holds the variant.% z( w. ^) p# r f+ s