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:0 K2 P) ]( d$ U; ~4 b( L
Name = (WCHAR *) L"Poke";( ?3 N0 u# F `, X
- D" s+ r9 L, T. c hr = m_pDisp->GetIDsOfNames ($ W& k6 A1 _8 c! ^7 h1 f
IID_NULL, // reserved 7 H! F4 m: N4 k, X &Name, // Array of names to get IDs for4 G9 ]3 @1 X- N4 S/ O5 _, V: ]
1, // # of names in the array - ?, {+ X- R% K" |/ s& p LOCALE_SYSTEM_DEFAULT, // System locale/ Y( ]! o" B( D. x$ ]* [
&pokeID); // Array of IDs to fill on output1 l" v0 T! U/ E7 m
* D# g" u* \# g" E
if (hr) 1 A# H* z2 n0 P+ o& U { 2 l5 T3 `. G! |( Z, t3 { MessageBox ("Get Poke Unsuccessful"); / z# T" U, V7 H# u9 U return;; ?+ \: y1 v1 e8 h
} ( k. q8 k! W9 N 9 W* h, A) x# M* c! r8 w/**************************传递数据给extend**************************************// I; p$ O3 Z% y4 {0 a' S, W
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' v+ U9 f& y$ T/ D0 {1 x6 O( u2 P2 F
& ~1 H0 K+ f$ e6 S9 h% P6 H' B
valueStr = SysAllocString((WCHAR *) L"1232");5 @" E+ |+ c! b( Q9 B X& }$ n
VariantInit(&pokeVariant[0]); ; n: i* d' H y3 _) F. m" j
pokeVariant[0].vt = VT_BSTR;+ v0 f( O1 b- P$ i5 O u) l) `" s
pokeVariant[0].bstrVal = valueStr; " B' J' S: G: H! v9 t4 c# f% o& L ! b) ?1 w) ~4 k. a. K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* |! r% ?% L' V
VariantInit(&pokeVariant[1]); $ z) w5 s/ E2 B* b: H) |2 _. B9 b' F pokeVariant[1].vt = VT_BSTR; $ q, r6 `+ L. l; B& Y4 S" R A: k2 J pokeVariant[1].bstrVal = itemStr; , G" H! S4 X6 v- J: G 5 f0 F ~: W) A) E+ a1 f/ f topicStr = SysAllocString((WCHAR *) L"system"); 1 F3 G+ g% }9 v' l+ n: h5 u VariantInit(&pokeVariant[2]); ! ^- b2 O* K4 z$ g: H pokeVariant[2].vt = VT_BSTR;* i% [9 e" @% ]) N
pokeVariant[2].bstrVal = topicStr; % ~1 h6 e e& W. i9 \9 Y- |5 n6 e0 U7 A2 e% i! g
// Set the DISPPARAMS structure that holds the variant.+ g8 I( |) w& I7 H1 w1 t$ A. u
) t% E$ D0 V/ p' g3 r: n' L: ` dp.rgvarg = pokeVariant; * f, v3 K: \' n. _1 k* S ] dp.cArgs = 3;+ y. z6 e' w1 @7 ~
dp.rgdispidNamedArgs = NULL; + D% z5 c# j7 E4 O' m dp.cNamedArgs = 0; $ v* P! j. v Y" r/ ^) H( \% C- |
// Call IDispatch::Invoke() G; O# s: v: G ) m$ T* R2 L- k _/ |! m" Y2 j' N hr = m_pDisp->Invoke(+ T. r) M; \' }; F
pokeID, 7 H6 h! ?7 Q3 X: c" e IID_NULL, $ C' }1 }9 ^8 S l7 \; f4 v# M LOCALE_SYSTEM_DEFAULT, m; `+ h0 O& O4 d; e DISPATCH_METHOD,/ { u9 G) N: x9 a! |
&dp,4 Y- B/ n3 }( `. f. \( Z( ^
NULL," p- B: S* H0 k- H
&ei,3 Z; f; l+ F/ c- J. Z% j9 u
&uiErr);$ ^* T4 v0 D7 ^% P6 \
# O9 d4 L- f1 J a7 F SysFreeString(topicStr); m. i: v. Z! z- ~( H SysFreeString(itemStr);" ?" P) T; l8 T6 H6 ~, A2 C; F
SysFreeString(valueStr);7 _2 P* k& z! ?4 z6 B
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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???) T T* X2 `, C: Y7 s- d2 r! M
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 Z* J7 L, P/ i; R5 {4 Q( m( Q- V5 ^
1 y3 }# I ^) S2 ]0 B! w' r$ \2.这是request的程序 A0 y/ ] `) h3 ?! s0 V( [9 o// Request a value from Extend/ j, B1 s/ N- \" J" p
// % c: u2 x3 T }4 s9 p// Initialize the variant that will hold the BSTR. Set the variant's/ ?! k; I. `5 {8 K$ o8 g
// type flag to indicate the fact that this variant holds a BSTR. Place the# w# U: o% J* n9 R+ y6 [
// BSTR into the variant structure.: A% ?3 H+ F8 ~/ ]5 A
" ]8 _' _* S% m8 J0 F% v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); / r( [$ b7 y% k: X% f! H $ R0 h) l" g* b9 a% D& ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" N8 J6 {' `& W2 a, _1 M
VariantInit(&requestVariant[0]); : I" ^" a2 U5 r: T requestVariant[0].vt = VT_BSTR;, h$ _+ w& r( Z9 l. s4 @$ K
requestVariant[0].bstrVal = itemStr;# q# D( k* F. |0 H
$ S7 V2 c9 N0 T/ l% `8 c. Q. [ topicStr = SysAllocString((WCHAR *) L"system"); " x0 u. w( v% E VariantInit(&requestVariant[1]); ! P$ O$ _8 H6 [8 G3 B5 g4 t" ]
requestVariant[1].vt = VT_BSTR; 0 Y5 U) I B- f5 N; J+ x+ F: F requestVariant[1].bstrVal = topicStr;0 g- C. @6 X/ j6 t4 s
/ K; C. ?" {- ?4 f// Set the DISPPARAMS structure that holds the variant. U9 c% X( v- K' ?& J1 @" f6 C& ?5 u. `, i$ k
dp2.rgvarg = requestVariant; " q5 \* [1 P3 K, n- v dp2.cArgs = 2;$ f) k, y* @) J: ]
dp2.rgdispidNamedArgs = NULL;# }# I1 Q' v2 G3 J% e1 {& U
dp2.cNamedArgs = 0;6 [1 P/ [$ R2 v0 ?1 y, D% l# d
9 ]3 M4 ?8 `5 J! S var.vt = VT_EMPTY;" O& W; d* q3 l( q) c
. t) ? P0 A6 h// Call IDispatch::Invoke() ) m/ t( {- Y( U+ W/ W# L" N. q4 \/ U' C2 }' X
hr = m_pDisp->Invoke(. x6 |* ~0 x9 F/ I9 ]4 e
requestID,1 l4 a2 ?; ^1 g: U5 Q
IID_NULL,' W& B2 T# e; J* ^3 I
LOCALE_SYSTEM_DEFAULT,8 h% \' m- e4 L' I2 x
DISPATCH_METHOD,( t4 Z% }6 _' \9 {. l& d4 z( z0 S
&dp2,5 K; t2 K. W- w# F8 o
&var,$ ?( c- }( m) Z& O
&ei, ' L! c8 f; B6 r3 F F &uiErr);" B1 ~4 g! |3 O* Z0 y# P: R
+ s9 A2 g* ]9 c SysFreeString(topicStr); 1 q( t2 X1 u. f8 ~ SysFreeString(itemStr);3 W. O! e9 w- m! ~# C a" b
请问该程序是获得extend里面的哪个值?; A7 u W- U( g- A# Q' U
如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现????