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:) o. J1 D8 D: \
Name = (WCHAR *) L"Poke";" U4 k d2 _3 ^6 n+ f; S
" y ]: m# m9 {1 V5 z! k; m hr = m_pDisp->GetIDsOfNames ( 2 _6 o9 W& w7 i# t IID_NULL, // reserved , x" U# D+ ?1 ~: {" u @9 w &Name, // Array of names to get IDs for' I1 y% r' ?1 O( V/ x- j1 c, B) {- v
1, // # of names in the array4 J5 r4 k+ B) v$ C# H
LOCALE_SYSTEM_DEFAULT, // System locale2 X3 p r1 {/ f' g* s% u3 Y
&pokeID); // Array of IDs to fill on output+ x. O) W1 x* v* A6 a
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if (hr) : h. {, G) q [: @4 x" y { / U1 x9 l) U& @+ M/ u8 @ MessageBox ("Get Poke Unsuccessful");% z0 u* `- s$ v1 Q
return; 4 Y M& m& ]3 x/ i } # x9 w" V- ~3 j: L - l/ ^7 |% o2 y4 M) N% `3 M/ \) ?/**************************传递数据给extend**************************************/* r, w' F& }+ l$ z1 P
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 z0 t+ K2 u8 q7 \
' [% o8 z* z3 A$ ^- d, Q4 d. d3 { valueStr = SysAllocString((WCHAR *) L"1232"); 8 G9 S( J8 |( D* E* V# L8 I VariantInit(&pokeVariant[0]); . D: s5 ]* b' p3 O2 u
pokeVariant[0].vt = VT_BSTR; 3 V- M$ `# P" ~6 y: U pokeVariant[0].bstrVal = valueStr;( [; ?& C* ~ r- b2 ?9 |5 o
& S) j* p$ E3 P( \) N2 Z& M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 8 y# r. _% g2 t6 Y# O5 |2 t6 d VariantInit(&pokeVariant[1]); * y: x; Z1 j L9 y7 o5 w2 w2 V6 f pokeVariant[1].vt = VT_BSTR; ' w, _3 x: p. A b) d/ H pokeVariant[1].bstrVal = itemStr; + i0 w/ {$ H' l+ @/ k5 A1 i7 Z $ O7 n, K; R* p+ `8 [ topicStr = SysAllocString((WCHAR *) L"system");6 j9 S9 X s' T
VariantInit(&pokeVariant[2]); 0 t# f# }/ P' ^- e9 j4 y: Q pokeVariant[2].vt = VT_BSTR;8 b" h; {- A* T$ v6 `
pokeVariant[2].bstrVal = topicStr; 1 x0 ]! ]) q; T: v2 { 9 D& }4 m- q O8 @6 R6 K// Set the DISPPARAMS structure that holds the variant.. z z: l& h' j7 b; c
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dp.rgvarg = pokeVariant;0 {: ~# G3 z# Z
dp.cArgs = 3;5 w9 Y! Y# u- l" d
dp.rgdispidNamedArgs = NULL; ! _- ^! t' P$ |% H! H* w+ z dp.cNamedArgs = 0;8 _1 P+ t; ~% e4 y( U& x