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 p0 ?9 F; t0 S* C& a3 x, ]' D
Name = (WCHAR *) L"Poke";+ G U9 D6 O/ G8 t3 ?9 |3 G
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hr = m_pDisp->GetIDsOfNames ( ( H0 p7 @) C- Z. P IID_NULL, // reserved2 q5 P# c3 S2 c+ \! p
&Name, // Array of names to get IDs for. o' @1 L9 S! g B3 T& O0 r
1, // # of names in the array 8 R' ]' A# G# j( u, [% h6 w8 S$ I LOCALE_SYSTEM_DEFAULT, // System locale 5 N5 s* o* X- `* W9 s' q &pokeID); // Array of IDs to fill on output# W) r# u* Q* y6 N
: c, Y9 s3 m% ` if (hr) * f0 A% V+ y1 L; Y/ v4 k; { {4 v$ l t' r. k2 X/ i8 `# [
MessageBox ("Get Poke Unsuccessful"); 8 P) b( W0 B2 Z. r return; 3 E. h Q+ K4 a }8 F' W, s8 P3 ?# k
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/**************************传递数据给extend**************************************/8 e# e8 y0 J! z& P
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 R/ c2 _: L7 W9 d7 \4 Y4 Z
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valueStr = SysAllocString((WCHAR *) L"1232");- E+ ]! t% S! C$ X# r+ k6 q
VariantInit(&pokeVariant[0]); 7 H8 t0 |! A6 [# o: k3 U
pokeVariant[0].vt = VT_BSTR; . {" ]& B' y* T9 b4 I" c+ c. W1 Z pokeVariant[0].bstrVal = valueStr; 4 u: a# ?) K' z9 J. r 1 G7 O) |% x" L3 k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 2 o5 L1 B; t5 h/ d3 R4 X. E8 v VariantInit(&pokeVariant[1]); % N! g4 b; V2 W! H6 M: B
pokeVariant[1].vt = VT_BSTR; 8 V3 j6 T; ]1 y2 W# e) E z: [ pokeVariant[1].bstrVal = itemStr; 7 B7 ~& |" X8 Y& }% W$ n2 `( m- w& v5 n9 s6 p$ z( ?. R7 a6 y6 u
topicStr = SysAllocString((WCHAR *) L"system");! a8 v2 s$ Q; y# E
VariantInit(&pokeVariant[2]); ; P |1 u& j( f7 B+ u pokeVariant[2].vt = VT_BSTR; / E6 I0 p' a% b# I pokeVariant[2].bstrVal = topicStr; ( X0 \4 h1 }" Q3 b1 z' R' Y4 @: H$ |/ T+ a/ u/ }$ `/ C# Q
// Set the DISPPARAMS structure that holds the variant. % }) d% f# Y: @! w9 {1 L - `! ?; T6 j8 I9 R3 V1 s. |; G dp.rgvarg = pokeVariant;0 v8 F. Y; ^* X& Y l; `
dp.cArgs = 3; ) ^( f3 y0 S& w. P/ ^% \: } dp.rgdispidNamedArgs = NULL; # Y& e# K. f8 w- N+ z% @7 O* o dp.cNamedArgs = 0;" H7 u. s' ?+ A) l9 u. `% t5 d