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:8 d) d" {8 \ U K
Name = (WCHAR *) L"Poke";1 d! V, k! g) R9 C$ O& G' ]) [2 a
0 l; i) E" w( d/ p. ^# x" ? hr = m_pDisp->GetIDsOfNames ( ) B& O% G9 q: g8 ] G IID_NULL, // reserved# l2 x8 o) B! {$ }6 H
&Name, // Array of names to get IDs for ( L3 A$ Y9 _/ {% J3 U 1, // # of names in the array$ l* v& M$ q- g3 S& h
LOCALE_SYSTEM_DEFAULT, // System locale 1 p# K* S2 |1 B% }& E &pokeID); // Array of IDs to fill on output; d' ~4 r1 W) ~# K; b
; o1 S! R0 u/ W/ m. M if (hr)5 k- F& U( L `) M0 T
{ ' Y$ R* e7 ]/ c# m MessageBox ("Get Poke Unsuccessful"); + ]+ H1 t7 c1 i return;5 E- m; H# u* k; F
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/**************************传递数据给extend**************************************/6 C. k! [0 s! y% d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); V; D+ Y8 T8 p7 V# \ 7 [+ T. s0 f! L8 F) G* `9 ?; n
valueStr = SysAllocString((WCHAR *) L"1232");- x" b, Z2 W4 d: L) I
VariantInit(&pokeVariant[0]); - S* v* k& D. {* x1 p$ ^ pokeVariant[0].vt = VT_BSTR;7 Q+ p) a7 \+ n/ ~% s$ ^$ {
pokeVariant[0].bstrVal = valueStr; ! s7 O" u8 |* ^4 T; d2 e+ C+ r 6 v1 Y5 K% t* D3 a) l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); . F1 v |5 E7 a: Q. Q* `4 o k8 j VariantInit(&pokeVariant[1]); * s. f! V' _1 o
pokeVariant[1].vt = VT_BSTR; ) d/ [5 @, j+ q4 z! d% L pokeVariant[1].bstrVal = itemStr;3 b7 b6 h6 a' S, a6 [
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topicStr = SysAllocString((WCHAR *) L"system"); % r/ Q0 ? g/ a) G, i0 l VariantInit(&pokeVariant[2]); . U' G4 N+ ^& q$ T; `! q
pokeVariant[2].vt = VT_BSTR; 2 |. b# Z/ `4 {3 w pokeVariant[2].bstrVal = topicStr; 3 z% `' h: E$ l0 L 8 U4 D, G/ K$ j/ e3 L" a// Set the DISPPARAMS structure that holds the variant.$ m# _' ~3 ^: b0 u0 H1 R) n
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dp.rgvarg = pokeVariant;/ ?: E' d/ Q9 }1 |& l4 b% q
dp.cArgs = 3; 3 y9 J9 Z1 H; s2 l6 E dp.rgdispidNamedArgs = NULL; # Y( H1 e/ Z2 J* V. w. ^1 H dp.cNamedArgs = 0; % e& E7 D0 h( l: H( T6 d4 c( l) { ( \3 E7 Y9 H6 v% M// Call IDispatch::Invoke() l( C% G& A; f+ w* t* T3 P: x' [- K8 a$ i7 |) b
hr = m_pDisp->Invoke(( z5 h3 I) }- U( e
pokeID,, o0 C6 h* X1 D
IID_NULL,2 R/ s3 J4 {$ b2 \" Q" l5 k
LOCALE_SYSTEM_DEFAULT,) [+ Q3 n! K7 T" {
DISPATCH_METHOD,2 [) W; v- h+ L/ @/ h6 o( y
&dp,1 S: |0 q& F( L0 g- b, c
NULL, + J5 o V. e, u( {4 N/ x &ei, " \0 ?$ z7 G$ X! M1 I &uiErr);0 W4 Q6 b, Y5 t" q" V" w
. Q: ~/ |9 x3 Y7 _5 A' @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???; g9 I* ]6 L4 R8 i* E" U) ^
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????8 v/ q! _* }$ o& Y: n; O
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2.这是request的程序' R# P0 D' ] B% B
// Request a value from Extend. q& N/ n; C2 ~# D+ ?" m6 u
//9 W: x# Y# K# A4 k: c
// Initialize the variant that will hold the BSTR. Set the variant's & i' q* H% t, F* T& w, B' l" a' L4 W# C// type flag to indicate the fact that this variant holds a BSTR. Place the ( ]5 k5 Z3 R- @// BSTR into the variant structure.2 o4 O2 G* m6 M8 k4 _7 y& j
# V1 `" s; O+ D% q+ l& o" X requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); % f7 n u2 I) U, M 2 T; A9 @6 c. R
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ A8 x/ A1 R, a* }3 r3 w3 Y- E5 a
VariantInit(&requestVariant[0]); 1 u f r/ O) I/ R
requestVariant[0].vt = VT_BSTR;5 p4 ]! g+ a! z
requestVariant[0].bstrVal = itemStr;* _+ Z5 v! ^) v! n
* b% ]; ~6 R% B topicStr = SysAllocString((WCHAR *) L"system"); ; [5 v, j0 w4 c/ t) U+ |* r7 T VariantInit(&requestVariant[1]); 0 @7 o, V4 }+ S/ ~# F requestVariant[1].vt = VT_BSTR; # {" M, ~0 m7 @3 g" c, P requestVariant[1].bstrVal = topicStr;! W' r" p2 f, q1 W$ L. @
' r4 `" g. ^0 w; }3 B% f# I0 [// Set the DISPPARAMS structure that holds the variant.1 u P2 }& H/ d1 k }; M