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:4 g5 |3 K% R Z4 a8 \
Name = (WCHAR *) L"Poke"; 2 o( `& Q }4 i6 k5 ~; [# @: Z # d: g+ o- X. O0 I+ a Y
hr = m_pDisp->GetIDsOfNames ( . h' G8 Z2 J$ L" M" X IID_NULL, // reserved , J2 i( j! `. |# n x: i &Name, // Array of names to get IDs for7 Q- I8 E% F }% q& Q8 j i6 w
1, // # of names in the array, q& Y1 [- w! c$ H5 \) X
LOCALE_SYSTEM_DEFAULT, // System locale " s4 N6 R% D2 k# l$ m5 [+ x &pokeID); // Array of IDs to fill on output ( ]9 J l% I2 M$ }% F# z 9 e: r$ _; U- @7 o! {* a if (hr) % d/ L) o* X7 r O { 1 r4 \8 P' h4 ?) q/ r5 E. v% s: V K MessageBox ("Get Poke Unsuccessful"); 0 D2 T2 J Z5 \/ \ F- F4 Z. L return;( @* y( U- T1 {5 K1 x
}( N4 b( E$ L( Q2 Y& m' w5 D
8 @, x3 B0 l+ c5 J* B* x9 V; A( _" P/**************************传递数据给extend**************************************/ ( d$ L# U" R0 @% U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); , X i: A) s a4 u 0 p' L$ o1 _- x: V. D valueStr = SysAllocString((WCHAR *) L"1232");7 K& ^4 S6 y% A) B
VariantInit(&pokeVariant[0]); 8 H1 Q; c- P" R$ c8 T; `" i/ F* i pokeVariant[0].vt = VT_BSTR; . K) G6 V% j& v0 T- j8 d ? pokeVariant[0].bstrVal = valueStr;# R; t# G5 ?- O) R& a. M+ I, D
* P5 f8 ~$ ^. |
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 5 A( x B6 S% a# ]; s7 O T/ `$ Q1 M VariantInit(&pokeVariant[1]); " j: ~1 q3 Y6 j# w5 i3 d7 d
pokeVariant[1].vt = VT_BSTR; * x) ?/ s) c8 O! r8 ] pokeVariant[1].bstrVal = itemStr;0 V7 r( T7 M' W- ?$ o. q* K
. t- ~5 D2 Z% x$ t# u
topicStr = SysAllocString((WCHAR *) L"system"); + Q; \- I' ]1 h; V' ?* _% c7 v VariantInit(&pokeVariant[2]); 4 q7 C! m/ V/ \5 O9 w- o
pokeVariant[2].vt = VT_BSTR;0 V3 z& d s# D
pokeVariant[2].bstrVal = topicStr; 2 _' f$ C b. u' }& c: T 5 C6 ^$ u. ~7 q* F: O4 S- d7 k// Set the DISPPARAMS structure that holds the variant. 3 r$ X5 z# x$ V( h6 N1 w# ^% I$ M: ?. X. {1 i
dp.rgvarg = pokeVariant; + @0 y x# h8 Q. v, Y& w dp.cArgs = 3;# |3 v. ?4 {5 J& f3 E
dp.rgdispidNamedArgs = NULL;2 A' _9 d0 X4 X) \* ]8 w
dp.cNamedArgs = 0;) A' A9 }4 n" d! I
0 {7 ?: `8 w+ |// Call IDispatch::Invoke()& _5 r s2 C# ?
! a3 Z. L1 j/ b- C. \
hr = m_pDisp->Invoke( # X. d$ K) p5 s9 K3 C8 k pokeID,/ j" ~, p9 D8 e" z5 ?. I
IID_NULL, 0 d9 H( o5 N8 |5 e LOCALE_SYSTEM_DEFAULT,- H/ ]3 {& \) B
DISPATCH_METHOD,+ U+ ~: _% M" ?9 s( ?/ S: H) z" j1 }7 H
&dp,, k" ^7 K, s) o1 {" J" a% O; y
NULL, - e. S9 \4 p* R) R* l H7 l! c &ei, 5 g* c4 D7 U8 v &uiErr);( L( M8 ?1 p) ]" J* T7 R6 c
9 {6 E" s! ]& N4 q SysFreeString(topicStr); - o: {% W6 ~ N' j SysFreeString(itemStr);# ^* ?# }2 v5 n& J" \& C# R
SysFreeString(valueStr); 9 Z! D& n. Y4 p 9 y, F2 `, k- |7 n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???' c6 q+ g/ d( z T1 [
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???? ) a0 {- ], Y6 ?+ U' w) B0 l( j3 d 8 {. h8 `9 h! I" P4 Y, T/ D @+ i3 p* h5 Y3 O& v6 d, i
2.这是request的程序2 Y9 L8 I0 f/ ~" f9 [
// Request a value from Extend8 K; T6 N9 k5 j4 t* ]+ |) H
//& [* g2 s) w+ p0 C O
// Initialize the variant that will hold the BSTR. Set the variant's 0 {$ E5 b5 M5 a, e6 z// type flag to indicate the fact that this variant holds a BSTR. Place the & O; [ d+ {! B- D6 Q n// BSTR into the variant structure.# z) L B: B) v% G6 n }- N. ?
4 H% l3 b8 N1 W% C, a: d4 l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); + P9 ?. k4 P$ s, |; f/ v' r 1 e$ B- ]) w/ D
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 h8 D V/ Q2 k0 V3 S' ~% }) Y) S
VariantInit(&requestVariant[0]); 5 [3 L5 r1 _. k y5 P requestVariant[0].vt = VT_BSTR; 7 n4 D5 z4 g9 Z requestVariant[0].bstrVal = itemStr;2 U! `. @% c' f4 I) {9 M$ Z1 `
. {0 t9 J7 U. t% Z topicStr = SysAllocString((WCHAR *) L"system");. }7 U o% X6 E! i0 x5 E+ \
VariantInit(&requestVariant[1]); 2 O- ~! B! L; l/ G8 P
requestVariant[1].vt = VT_BSTR; ) o3 a( X- Q+ z/ e requestVariant[1].bstrVal = topicStr;! L) K% t9 f% `( c
' a% X) {1 z9 r5 ^: B P7 T
// Set the DISPPARAMS structure that holds the variant. / u/ L2 [; E: |! C) A 2 I/ [+ q1 ?2 M1 E6 M dp2.rgvarg = requestVariant; % W4 C$ f; p+ i6 A* s' K/ R9 e dp2.cArgs = 2; 0 D# Z* ~7 Z% i( l% } m [7 r dp2.rgdispidNamedArgs = NULL; , z# j4 O0 J3 w! F5 L+ t dp2.cNamedArgs = 0; 9 S- k) g. I3 S# }2 H: r' p0 c1 R2 v- h7 C
var.vt = VT_EMPTY;1 Y) A1 v4 O$ I. B& h
: [/ S8 y, A, |, n4 M) w3 V// Call IDispatch::Invoke()+ U0 F( E6 o+ }8 M [8 P" f( n+ m w
4 e1 Z9 A) r! N8 P9 V) Z hr = m_pDisp->Invoke(% E5 Y. I: p' R+ c" \" T+ n
requestID, ' x/ C7 i. i( g2 B# \+ p1 k5 g IID_NULL, : Z) _& E$ }7 V- T- C LOCALE_SYSTEM_DEFAULT, 1 t. ~" `! d8 v, v+ @5 d: E7 t8 _ DISPATCH_METHOD, ) O( Z% D5 i$ H) }: j3 A &dp2,. d+ \4 I# O( T' s' ?) u( z6 V
&var,( K9 y( F! k9 G% ]% u
&ei," ^* o# m" w7 G& j
&uiErr);" a1 m. q3 M5 Z6 a- }& m. t
$ Y. A+ g' w; j# b
SysFreeString(topicStr); ! \7 a x0 |6 @4 O. E* c SysFreeString(itemStr); 1 z, d" l' k; W, C2 V4 K1 N# e- N+ m请问该程序是获得extend里面的哪个值? 6 x# @, E0 I/ i- o0 ]* W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????