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:- e) |, G9 V+ u5 S' g
Name = (WCHAR *) L"Poke";; V L6 d8 c4 j9 r# O- U1 ^5 k. x
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hr = m_pDisp->GetIDsOfNames (& T4 ~' V& _( E+ D' [$ U
IID_NULL, // reserved3 Q( p( ~5 O* E- u1 i
&Name, // Array of names to get IDs for" P, {' a( S9 A9 F3 j3 d3 N8 C
1, // # of names in the array0 g, C: N( X, l1 p0 D( o3 O
LOCALE_SYSTEM_DEFAULT, // System locale ( v0 u5 G: ^6 ^; o; s. N &pokeID); // Array of IDs to fill on output& |( w; h/ L. @) M5 Y; O
2 U( L6 z5 {9 ?# b: x if (hr) / Y. X0 j0 }7 S" B$ ~7 s. m { 1 l) ^6 y& J! v- P5 p MessageBox ("Get Poke Unsuccessful");. G8 o& i& W h3 P. m* F
return;- [" h. x0 a$ Q/ _% O
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/**************************传递数据给extend**************************************/ 3 j4 [, A7 d. M6 ?9 f2 L$ y3 L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); ) d$ d6 x# W; v& X7 d5 X( k9 d ' P5 H9 q! m6 W
valueStr = SysAllocString((WCHAR *) L"1232");$ J) w4 w& [5 X2 r# w
VariantInit(&pokeVariant[0]); # v X' c" Z0 [3 b, D% M pokeVariant[0].vt = VT_BSTR;& M" Z' v5 w+ S2 Y' {
pokeVariant[0].bstrVal = valueStr; & p& _0 d R5 }- b8 A9 ]: K2 i) s4 {% ` c5 p0 s' Y. J: K2 L" c9 \
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ r6 j3 O1 M' q
VariantInit(&pokeVariant[1]); % A* B' Q2 I4 ?, s& X pokeVariant[1].vt = VT_BSTR; ; _- B2 ?/ G! L/ Y% w pokeVariant[1].bstrVal = itemStr; # m. M8 [$ k$ D! D) t5 K2 ^) h- K
topicStr = SysAllocString((WCHAR *) L"system"); 4 [7 B; Z7 \; o4 h! Q VariantInit(&pokeVariant[2]); 2 `) b# C# K6 a# `4 K$ V( f pokeVariant[2].vt = VT_BSTR;. B4 }" A# W f. X
pokeVariant[2].bstrVal = topicStr; 6 A( T6 i+ z! L5 Q! x# u9 [8 l* \8 ~& f$ a; R8 `) [; r
// Set the DISPPARAMS structure that holds the variant.) F9 j0 i/ m! X* [2 w+ x