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: 7 b; h. ]; b G) h0 f+ F, ^: uName = (WCHAR *) L"Poke"; / [$ z" X2 T' O: y2 ` , I; u( w' s- z8 B' ?* K' H: K
hr = m_pDisp->GetIDsOfNames (9 A$ n! z3 X) I: Z/ B
IID_NULL, // reserved ' G/ E) @! x b: R6 o* p &Name, // Array of names to get IDs for 7 c+ ?/ s! A: @+ J" _ 1, // # of names in the array% Y- x2 q* s- H4 ~2 h5 S
LOCALE_SYSTEM_DEFAULT, // System locale * f! C0 {, S N" |) S &pokeID); // Array of IDs to fill on output- K3 x; `, b6 `2 a
2 s# X8 m4 z, _2 d if (hr) ' i c9 h7 {% ^7 S0 t8 g8 j { + j7 N6 J8 P8 |- E! i5 ^, F MessageBox ("Get Poke Unsuccessful"); l. f0 J- g" T$ ]% w l
return;. A' n, a# _- r" \+ k
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/**************************传递数据给extend**************************************/ / O" z7 Y7 |: t- U' t" P O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 V5 D$ A/ Q, o Z0 ~
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valueStr = SysAllocString((WCHAR *) L"1232");3 i$ L4 ~" [2 ]( \0 u: p1 n
VariantInit(&pokeVariant[0]); " |9 l+ l9 z8 B, A6 F& k/ E
pokeVariant[0].vt = VT_BSTR; 2 F: E$ D; [3 `6 O" o4 P pokeVariant[0].bstrVal = valueStr;( S& ~2 V' E5 S( n$ {) U! L
- S4 C, w/ P4 A' m: k1 y1 L. R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 m8 m* j. W" l& F/ A; }
VariantInit(&pokeVariant[1]); ' H* D: j$ Q; G/ X* e4 F$ { pokeVariant[1].vt = VT_BSTR; ' G- g! F+ S+ R' P: \ pokeVariant[1].bstrVal = itemStr; 3 K {& j+ P/ o% ]7 L( h- A2 h$ F2 F! h' u
topicStr = SysAllocString((WCHAR *) L"system"); + F! W6 O, a, c; M VariantInit(&pokeVariant[2]); ; [. D, x; v8 m; ?3 w X& I* x pokeVariant[2].vt = VT_BSTR; 8 w9 g7 \3 J! t pokeVariant[2].bstrVal = topicStr;$ `, _+ p& ?, \( _0 q& I4 X
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// Set the DISPPARAMS structure that holds the variant.; A- ~! K2 D9 r4 Y; y6 e