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:) U. z/ n Z& A" p
Name = (WCHAR *) L"Poke";$ R" Z1 k: V! [% L# ^7 N' W
3 W& @2 z3 N" Y. W1 w4 S& _ hr = m_pDisp->GetIDsOfNames (3 p9 f w4 \; T! a/ u1 h; l, {
IID_NULL, // reserved 2 g0 P/ F9 B G! v4 ?& z &Name, // Array of names to get IDs for; e+ A9 Z7 _ q M) ]
1, // # of names in the array 9 d% u* \, V$ N- V6 K2 Z7 z- ~ LOCALE_SYSTEM_DEFAULT, // System locale1 q5 b% A' c' I. p- r; k' {
&pokeID); // Array of IDs to fill on output / U7 k7 Z5 Y, v( z 6 `: w) u! e' }" T) P! {
if (hr)6 |/ I6 A0 n3 X/ @- t- Y: X
{ " E8 H" x6 H4 I) N. q' @ MessageBox ("Get Poke Unsuccessful");- c9 X8 a* d/ ~; w2 h
return;- v* o/ v4 J7 K9 e
}7 t9 V' t. Q S, {
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/**************************传递数据给extend**************************************/ 3 m5 G7 v3 m6 _3 p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 5 |+ n. k9 r7 e1 F b ' _9 y- a3 f. f6 o9 T valueStr = SysAllocString((WCHAR *) L"1232"); * X+ b7 P1 e9 q. h: i; ~: [( A3 h* `0 y VariantInit(&pokeVariant[0]); 0 i8 A" E R+ g, s+ q
pokeVariant[0].vt = VT_BSTR;% R0 p4 B" S* J) g8 O+ a) U
pokeVariant[0].bstrVal = valueStr;3 H {" q; V6 H" p# k d9 j" s& Z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% C( l% G% @7 ] P9 Z: V% C. T
VariantInit(&pokeVariant[1]); 3 N' v! @) g! T1 V% c
pokeVariant[1].vt = VT_BSTR; - l$ U( S* `* h& ^1 z5 K5 w pokeVariant[1].bstrVal = itemStr; # a! c k' `1 d6 T( L " S7 t5 N& p; i5 w, i1 L7 I topicStr = SysAllocString((WCHAR *) L"system");- I! A7 K. u/ f- z6 ?: ?. @
VariantInit(&pokeVariant[2]); : T* N# P: D- P2 V pokeVariant[2].vt = VT_BSTR; ; ~7 L9 c/ x# n: Z pokeVariant[2].bstrVal = topicStr; 1 A2 n6 f3 |3 Y: B1 u* T7 m& B. k , v/ {: _9 ~5 @ c. f) ?* f0 O// Set the DISPPARAMS structure that holds the variant.% @# n/ {* {. `: E8 P P- G