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: % C( `. @* |# hName = (WCHAR *) L"Poke";4 l, A/ F, t [' N w2 r7 L J9 U
) z. e, a0 d; a. i* h6 a hr = m_pDisp->GetIDsOfNames ( ! f7 p4 u8 w" ]8 s, l IID_NULL, // reserved6 g5 N0 M+ s) f1 Y9 {4 s/ A
&Name, // Array of names to get IDs for ; T/ b. \1 b0 `$ R% x( L& X 1, // # of names in the array( v M' e$ L1 ^' P. R" c
LOCALE_SYSTEM_DEFAULT, // System locale 9 Q- g) [4 e+ w# S9 B; U2 \2 |- C$ ` &pokeID); // Array of IDs to fill on output0 X' Y; v" \, R- g9 B1 j
/ K# C) @$ N; @ if (hr) 1 L7 T I1 ?0 F( M0 o {( Y# c5 s! ~' u% p% {8 ]* u) V
MessageBox ("Get Poke Unsuccessful");$ n* d; M" m$ U
return;9 m# M' v' h5 L; ^+ T3 b9 x
} 6 E# i# v1 ^, }% H( u 6 w/ b+ V/ d; h5 l1 h# W/**************************传递数据给extend**************************************/ ! L) ~9 K; P l( f. d! @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! l! v5 g8 l( I: O& b
x: x& L v4 s% x' v3 L* O valueStr = SysAllocString((WCHAR *) L"1232"); 9 J/ O0 d- Y2 r VariantInit(&pokeVariant[0]); 9 _$ i; y: D, P pokeVariant[0].vt = VT_BSTR; 8 R0 p- u, ~( u0 J4 w2 b/ E pokeVariant[0].bstrVal = valueStr;+ w! Y# w0 p$ L) I5 |# X; D1 j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); , S+ X [7 n; k& j E VariantInit(&pokeVariant[1]); $ d! i! _" D4 J6 k! }
pokeVariant[1].vt = VT_BSTR;! b. I2 K' t3 S- D8 w1 W) g# {
pokeVariant[1].bstrVal = itemStr;' F( D8 T: f# R2 p/ b
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topicStr = SysAllocString((WCHAR *) L"system"); 2 g5 @: }+ {: L& R* L5 n( _: i' V VariantInit(&pokeVariant[2]); " c: |) I5 r: S* I: O$ S6 u
pokeVariant[2].vt = VT_BSTR; $ ^1 L _4 B' d7 Q! N pokeVariant[2].bstrVal = topicStr; ! L" N# p# T8 `2 ~/ a5 Z* P. E# `; y& ?0 l" U! P5 H; P, ~/ C
// Set the DISPPARAMS structure that holds the variant. 7 {- q' h9 {& h8 F' j; Y% I/ @ 0 k7 z+ N+ t1 ~" I3 h e( f; H6 V$ V dp.rgvarg = pokeVariant; - J( ~& X0 r" L dp.cArgs = 3; / o. ?. p, I; N) c; M- j1 U: o& \3 ` dp.rgdispidNamedArgs = NULL; 6 p6 u5 A/ n1 f, U dp.cNamedArgs = 0;( N& [2 D- u5 |1 P" W