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:* q. i% o4 m" i4 p+ }( h
Name = (WCHAR *) L"Poke";' G9 L/ {5 e/ O ~+ K* w9 @! {
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hr = m_pDisp->GetIDsOfNames ( 8 O6 ]' U9 @: w6 b IID_NULL, // reserved6 _* B' y& t- V* m0 U2 @
&Name, // Array of names to get IDs for ' }8 w2 C1 h0 s$ O2 |/ z8 E7 E6 o 1, // # of names in the array$ n1 r6 M, s7 J. Y
LOCALE_SYSTEM_DEFAULT, // System locale, W) F5 _; s& d
&pokeID); // Array of IDs to fill on output : y5 \0 @& t! b! O# X6 F ) F K+ w8 z1 O# d/ J1 b if (hr) ; R- O, B% V7 I8 p2 j4 m {0 r1 k/ A& K, B8 o& D& A# G& b
MessageBox ("Get Poke Unsuccessful"); Q- Y4 L4 `* v8 m3 e
return;* n* ^. y r' N
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/**************************传递数据给extend**************************************/2 k. A6 r. e$ F ^) @" i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- M& ?% @9 D3 K' {4 v* [
! ]# @% w D1 E; L, L4 s% m valueStr = SysAllocString((WCHAR *) L"1232"); 4 I5 X0 ?( y5 P: h5 ]" h) C9 l VariantInit(&pokeVariant[0]); ; X+ O7 T Q# N
pokeVariant[0].vt = VT_BSTR;) I3 i3 y- m @* [
pokeVariant[0].bstrVal = valueStr;' F& l: Q4 q0 { A) o1 W: u
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ W7 b3 A: e; G2 ?6 d6 \" P
VariantInit(&pokeVariant[1]); ' B9 T( |6 c; H. E
pokeVariant[1].vt = VT_BSTR;9 l5 ?, [( X$ d, ]$ h
pokeVariant[1].bstrVal = itemStr; 0 V/ p6 J5 D* ^4 U }$ o $ Y b- U9 E4 o topicStr = SysAllocString((WCHAR *) L"system");8 n* S5 L; i6 L/ o2 I4 }6 ?8 ]
VariantInit(&pokeVariant[2]); , m* P0 ]+ @6 V7 E$ h: a pokeVariant[2].vt = VT_BSTR; 7 Z$ {* {' S& a" _! H pokeVariant[2].bstrVal = topicStr;: S$ q( ^! R' S2 h, w
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// Set the DISPPARAMS structure that holds the variant. % ?, p& [7 [' r9 M {4 o+ B" U2 z( I9 N) M7 p: f ]1 W
dp.rgvarg = pokeVariant;" f8 c$ Z) I8 d# Q% F9 D
dp.cArgs = 3;, J4 @6 r: T) e* k' I
dp.rgdispidNamedArgs = NULL;# M$ [& c, v4 k G
dp.cNamedArgs = 0; + _8 O' A. `, S/ I# O/ `3 ~ 8 q# K/ C' l# V1 [// Call IDispatch::Invoke(): |4 b* o7 T! p! L
' |" Q! |% w A9 i- d hr = m_pDisp->Invoke(7 |4 n# ~# S1 l# q# K
pokeID,! m3 C% ]: p U$ ~
IID_NULL,6 V# T& I/ H. ^
LOCALE_SYSTEM_DEFAULT, $ ?9 t, P2 U; B8 e, M DISPATCH_METHOD, 0 f. S p, Q$ B* ~9 j4 G G &dp,: b8 ]0 J& M# l E* B
NULL,. j Z& O* n7 ]) G
&ei,; X- V6 A2 h# L- i
&uiErr);) Z' \5 p' Z0 ?& b+ S2 W
& t4 D1 i5 r! v5 V" t& m+ o; F SysFreeString(topicStr);# _. [8 m2 F1 }* q, r9 o% u& e
SysFreeString(itemStr);( q8 c$ d- Z8 j7 y( k
SysFreeString(valueStr); 6 i- M' | n! f$ ?% c( u7 K9 ] \3 S/ E- u f, T3 w
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??? / ~" x5 ^0 b# H, z7 g) Z, d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???? 4 ]% @9 X- _0 D" y3 b2 e7 Z F+ p& W- O. O K
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2.这是request的程序 # J& t9 f' s) [// Request a value from Extend 9 l" I3 a. j+ D: O @ W7 o2 s// 4 I: G3 Q* N, f3 h/ `// Initialize the variant that will hold the BSTR. Set the variant's # Y/ N# o/ m2 }" C `// type flag to indicate the fact that this variant holds a BSTR. Place the 6 [+ j" d' V0 x. E// BSTR into the variant structure.1 w) z" D2 u3 I7 N* A" ^5 v
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 [1 T2 L' l, i7 e4 C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" B. j/ v, r/ ]) z! K
VariantInit(&requestVariant[0]); 1 v' @ f# u; R* H; x8 L+ S requestVariant[0].vt = VT_BSTR; ) V+ N+ i& l& N, h2 _, z/ Z requestVariant[0].bstrVal = itemStr;) ?& W9 \) @8 ], \' I# R
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topicStr = SysAllocString((WCHAR *) L"system");) r! p9 S, S3 e* z1 f5 m) g% q/ l- _
VariantInit(&requestVariant[1]); % n/ e9 s- j& N' m/ {/ A
requestVariant[1].vt = VT_BSTR;: n8 U( {, c* a1 w5 I7 q/ f9 O
requestVariant[1].bstrVal = topicStr; 3 F `# a7 B f: d- P 8 k4 g4 U- c( j- A// Set the DISPPARAMS structure that holds the variant. 3 }: @$ v+ j) \' d5 H! W! m; ^$ U3 R F' @
dp2.rgvarg = requestVariant;5 \: _0 O3 ?' @) \# V) Z1 S
dp2.cArgs = 2;9 U/ t! r1 E+ K" ^5 O
dp2.rgdispidNamedArgs = NULL; 7 c: ~* @" D7 Q0 ~" M; c dp2.cNamedArgs = 0;& O/ j# B- l) m( f' I1 b
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var.vt = VT_EMPTY; * s2 n( T! S9 R2 v! f5 s5 t/ B8 S* [# C6 T8 o; t; D& S
// Call IDispatch::Invoke(): T5 j! n: ~# d0 D3 P& z3 a4 }