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:% @2 I) a2 w* E7 c) P
Name = (WCHAR *) L"Poke";* `+ O9 [ v2 H) N3 W1 D* \
" N/ g i& g% x8 x! a hr = m_pDisp->GetIDsOfNames (" t9 O5 O; p: R+ m k
IID_NULL, // reserved- E, N9 L' \3 q3 X" B
&Name, // Array of names to get IDs for ; w/ R: `0 v& }- } 1, // # of names in the array" X" ]$ w: i3 ]0 g9 P& y
LOCALE_SYSTEM_DEFAULT, // System locale/ ?# v% g. `; |5 r2 X
&pokeID); // Array of IDs to fill on output # m+ Q( T/ L; ?# e : k$ k, Q& ~1 Y
if (hr)% G! j S% N( Z/ m
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MessageBox ("Get Poke Unsuccessful"); * Z2 e) Q# [. z$ L; o return; : R+ k) y @; P }/ D$ ^- b1 h* X
" V9 g1 [" }! Z3 ]. J. u% i; W5 b; Z/**************************传递数据给extend**************************************/ 2 h3 b: u% d: O8 s# f( J- u, m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- N3 {. Q" x) w- A1 X
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valueStr = SysAllocString((WCHAR *) L"1232");; |* l% J" r. ?5 A, N" b
VariantInit(&pokeVariant[0]); . W/ G: M* B! d' }7 {
pokeVariant[0].vt = VT_BSTR;8 j( \2 j+ q5 g5 u7 v
pokeVariant[0].bstrVal = valueStr; 9 z+ N7 h* ? {1 v( m1 L2 O1 ~# A4 K2 \. |" Y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 5 x0 y1 W, Y5 Y* m" n4 I' x VariantInit(&pokeVariant[1]); " t, f, F) G& R7 H pokeVariant[1].vt = VT_BSTR;% N5 Q4 s8 }( X/ x- d
pokeVariant[1].bstrVal = itemStr; % u" [7 L, @6 O: T1 \/ e) n; u4 a% g0 v 7 H4 N" r! k9 i' g* g topicStr = SysAllocString((WCHAR *) L"system"); ( P* W: E" {9 `. q7 ^% O2 R6 w VariantInit(&pokeVariant[2]); ; ?( S$ Z' \- h7 O$ J
pokeVariant[2].vt = VT_BSTR; ( G3 o- l9 A5 s; H3 r5 s$ s; K pokeVariant[2].bstrVal = topicStr; d: r' B9 D0 V+ ~. n! k5 D4 c8 K& c4 T) e7 F
// Set the DISPPARAMS structure that holds the variant.. m8 i9 ]) V* y6 w: v+ y. C