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: $ Z' g8 N9 ^& bName = (WCHAR *) L"Poke";4 p0 D+ `1 X( `- s; d* M
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hr = m_pDisp->GetIDsOfNames ( " R! f7 V' u: X, m/ O- v r% a3 O5 n. r IID_NULL, // reserved5 y6 o: o7 {. g! B5 e% t
&Name, // Array of names to get IDs for - r0 P t: i* V9 _ 1, // # of names in the array & s7 w! `0 J d LOCALE_SYSTEM_DEFAULT, // System locale' F2 u0 W3 A, [5 n- ~* x
&pokeID); // Array of IDs to fill on output 7 m+ m" s' b% u+ ?- q& q- U ) y3 [0 e+ A6 @: a if (hr), j: L1 w: [% S2 k' \! F3 R' f
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MessageBox ("Get Poke Unsuccessful"); 6 Q9 D, P3 N$ ~ e( B return;% X! \" y( m4 z/ S( k
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/**************************传递数据给extend**************************************/ & m$ _' |: _' b9 F5 O9 [ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: P1 R+ E/ _' m! {6 _- ^8 t3 y' q
( v6 z+ p" I5 }7 r valueStr = SysAllocString((WCHAR *) L"1232");! n2 {6 X( F0 Z: B% w$ E* s+ L5 P! h
VariantInit(&pokeVariant[0]); 5 i2 c0 k% e" x- e* ^1 z; e% J& Y
pokeVariant[0].vt = VT_BSTR; 1 k& o* t2 b, h0 t' T- K pokeVariant[0].bstrVal = valueStr; ; S: `5 _% f2 }7 I0 U ; h# c; l B2 [8 F* F4 i# D, o# ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# P2 l+ s \) Z% u: V
VariantInit(&pokeVariant[1]); ) a3 A i; _3 z3 @' ~
pokeVariant[1].vt = VT_BSTR; & Q% t8 Q% F+ s" g* B1 i pokeVariant[1].bstrVal = itemStr; * k. Q, \& j" @* H4 y, Q3 j% s8 @+ U% l% a! b6 g, L. o
topicStr = SysAllocString((WCHAR *) L"system"); ; O. G- N* l% } VariantInit(&pokeVariant[2]); ' J* E5 @8 K! b+ Z1 w2 R pokeVariant[2].vt = VT_BSTR; 5 P0 W! _- p7 \: C. X pokeVariant[2].bstrVal = topicStr; # C, }. a8 Y+ Q) o; b2 g" O5 k 0 Z; d) V* [+ ~$ `+ S// Set the DISPPARAMS structure that holds the variant.4 s. |7 Z/ I, a+ H3 f4 x
9 ?9 N6 b' L! \% | dp.rgvarg = pokeVariant; 6 R5 i: W1 ?. i9 l# @8 G dp.cArgs = 3;3 f! i- B7 w' `* a+ ~! ~4 T
dp.rgdispidNamedArgs = NULL;8 K* t: P8 N9 f2 s( [( d: P2 j) G
dp.cNamedArgs = 0;4 }; k+ d9 B" e$ q1 `( w( v/ j
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// Call IDispatch::Invoke()' I D3 O/ v* k9 Q3 @% r0 D
- J1 @- M6 {1 i, P d hr = m_pDisp->Invoke( + J9 R4 w8 B( t; U3 `# L pokeID,4 S+ k9 h( k, Q% @' |
IID_NULL, & @3 G9 Q# O8 L6 {, g+ u1 Y LOCALE_SYSTEM_DEFAULT, : z2 ] Q/ n% Z DISPATCH_METHOD, & o! @; K3 L% t0 u6 `3 I# j+ G &dp, 5 I! o' z# {$ f* U' i NULL, / e! O. l2 }# [ &ei, : T5 ^# M/ S) a4 ~ &uiErr);- b3 c' v' N. A! |, V* g& ]& {5 c; K
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SysFreeString(topicStr); 5 \3 i' z& o M& v1 E; d) B8 @, b0 n SysFreeString(itemStr); ) [# r X0 s3 K SysFreeString(valueStr);+ v$ W& U1 ]- o7 x, z
% {# X3 l9 }1 }" y* V4 K现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据??? % S0 l0 U t4 b3 j此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????; q1 m9 j; s8 K. m. n- }: a
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2.这是request的程序 2 n- S# a @- Y) L# Q# j2 \// Request a value from Extend" A, e9 G$ g* |: n7 X1 N
// ( ?/ m; u! G) |* a* w J; Q// Initialize the variant that will hold the BSTR. Set the variant's1 C4 N- ^$ X7 `7 {& T+ }
// type flag to indicate the fact that this variant holds a BSTR. Place the 5 S7 f7 E& w* ?0 a// BSTR into the variant structure. 0 A, q+ M( X/ x , v T- {7 ?) ]7 M. N+ s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 n, }8 t! a. `6 v% l$ P& }! V: Y