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 J0 m E+ a- f* Q; l& O
Name = (WCHAR *) L"Poke"; ' G8 M. E; O5 g; l+ M 1 Z# o- f* N" S+ l hr = m_pDisp->GetIDsOfNames (2 ^, K+ d+ E/ G9 `! K
IID_NULL, // reserved& G& S% `, [' G+ L. e3 m* g
&Name, // Array of names to get IDs for 8 _7 H3 T v, |- |) ? 1, // # of names in the array ) n# x# L- W, k' ~& n/ z LOCALE_SYSTEM_DEFAULT, // System locale ; F' a5 H. t& t &pokeID); // Array of IDs to fill on output % v# L. @, C5 \/ n & W: m ?+ U" E: [/ P if (hr) $ H& E2 g! }& R) W0 y8 g {% M/ y. k+ P3 h7 `
MessageBox ("Get Poke Unsuccessful"); 8 v" G9 Z2 Y8 M return; ! H3 ~, t+ c! a& }3 J } 8 n! }; E# E. {3 k ; p2 T( w! y0 s C( J$ g- h: S/**************************传递数据给extend**************************************/8 J8 B1 [( {2 J( ~6 H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); " K& D7 ~: p% h6 n, G3 N ! {( c! B: ?" a3 }/ t8 g7 E) i/ O
valueStr = SysAllocString((WCHAR *) L"1232");6 u& u' V6 b- \1 L$ B- V
VariantInit(&pokeVariant[0]); C8 ^ O0 C5 ]' j* E0 k; Y pokeVariant[0].vt = VT_BSTR; / c' w; q/ M2 h9 m' L0 d! C pokeVariant[0].bstrVal = valueStr;' c$ Q5 f5 G S& s7 B$ o
5 f" N& x. l: F0 e' \/ E d2 R+ L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 x/ l. w. D( b
VariantInit(&pokeVariant[1]); & U+ U' I, S' h% j" R( o8 v
pokeVariant[1].vt = VT_BSTR; 9 f1 i4 G/ i/ k# j1 a pokeVariant[1].bstrVal = itemStr;) `2 v8 d) l# X) l+ N# I: H
9 m" H9 k' a% s% ~+ r* d topicStr = SysAllocString((WCHAR *) L"system");* {' g( ~9 b5 @0 z
VariantInit(&pokeVariant[2]); 5 n- ]9 H5 b% ^4 q
pokeVariant[2].vt = VT_BSTR; 7 B- M2 L' x6 k0 c" {0 G, e pokeVariant[2].bstrVal = topicStr;9 V9 G* a$ B9 }; a+ Q, C( {
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// Set the DISPPARAMS structure that holds the variant.- u a. n, L1 X( ~
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dp.rgvarg = pokeVariant; ' B- a( ]& c8 o dp.cArgs = 3; 9 e) Q3 o& v8 w0 D' H* K6 C dp.rgdispidNamedArgs = NULL;7 F+ K( h, i( X+ S4 l) A# m9 f
dp.cNamedArgs = 0; ) i( z$ v( J5 b. A& p: I * y i# R( G/ G0 j. n// Call IDispatch::Invoke() , W) {3 U9 h& R' H) C t" V ( @1 j' T8 J) Z9 Y* K hr = m_pDisp->Invoke(% w+ c1 W% Z) d+ Y
pokeID, O+ w+ e$ Z: K Z2 ?* ~3 N IID_NULL, x: C- o! j* E/ B LOCALE_SYSTEM_DEFAULT, 4 P! R" B' p# r k0 M% e5 B$ \6 Q DISPATCH_METHOD, ( K$ Y7 V6 H( i/ ]) J$ V$ ~6 N &dp,5 Q, s# D' V7 z+ U; Z
NULL, 9 J S: a9 J( B) z0 v, p &ei,1 m4 \4 {6 Q$ p% _& R
&uiErr); 1 J% g% t) U: u # e) M- C% O% [+ m SysFreeString(topicStr); % d/ n M) j7 s- {) k SysFreeString(itemStr);( }! F8 e# I' q$ Z
SysFreeString(valueStr); " G' [5 K; C6 C# G5 Y0 k1 c 4 y+ b# y* @3 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??? " I& e, p* R! J* h" g1 z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???? ( `" E' `- b+ H+ A $ c; e5 K$ Z& X9 m - U" b; V1 ^( k5 n5 z( {6 f( k2.这是request的程序$ l' v3 {' K! _
// Request a value from Extend! l" N# U2 q! b! ~$ }+ D4 e
// " x% \- T; R0 p5 u3 g// Initialize the variant that will hold the BSTR. Set the variant's% D& G r) d8 @+ u8 c, d+ f, Q
// type flag to indicate the fact that this variant holds a BSTR. Place the, K+ q3 S7 G! u2 R' Q
// BSTR into the variant structure.; ]0 x1 x7 p3 C* `6 ~0 w
' r# \; b9 \/ {% ?$ b2 x) t8 o requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ ?8 r* j; Z8 ^6 M/ ~% V/ F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 x, e. F' b. ^8 Q# p
VariantInit(&requestVariant[0]); # O( I, S! J" u S+ O: R requestVariant[0].vt = VT_BSTR; " F% r: L3 O1 V requestVariant[0].bstrVal = itemStr;. S- C i5 m, h' B0 Z7 W# m) w: ~
; O5 C# G4 }( t' M {
topicStr = SysAllocString((WCHAR *) L"system"); - B! F0 @ @6 Z) K- b VariantInit(&requestVariant[1]); . O: }0 H- G7 U! V/ A' {5 Y% d! e requestVariant[1].vt = VT_BSTR; % k0 I) H D4 m requestVariant[1].bstrVal = topicStr;( n; `* |3 {9 _& t8 G2 V* _
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// Set the DISPPARAMS structure that holds the variant. ! A4 i) ~$ D/ ^, [" V+ B! _6 m3 Q8 p2 j- q$ h/ M# a, y+ @# l
dp2.rgvarg = requestVariant;+ A( o) C: w O5 o
dp2.cArgs = 2; " b# e% A6 B. v; _ dp2.rgdispidNamedArgs = NULL;7 K; S# ?0 U" F1 m) C+ I+ J3 R
dp2.cNamedArgs = 0; + P9 g* Y) g7 F* f8 N! V! s, C : N G/ F4 T/ W7 m: @+ I var.vt = VT_EMPTY; 8 G2 V8 y' Q4 |0 Q I! v ]0 a+ L- I
// Call IDispatch::Invoke()" W3 C# \1 V# O2 r
- Z1 ]/ a6 f3 |( L: ^% X; `, u hr = m_pDisp->Invoke(0 f: J# S- q( Y0 h# i
requestID,& D A, {" |6 y5 k
IID_NULL,/ \2 I' c( X4 o% y( T! o
LOCALE_SYSTEM_DEFAULT, % L; u2 v7 C" d( _ i' d2 ` DISPATCH_METHOD,% _" b; l! |! h2 L3 y* i, b
&dp2,3 d5 P5 W1 i; x2 A' Q
&var,9 {' U3 Y0 i- [0 `
&ei, / B( ?- E9 u' L* [1 r &uiErr);% d, ^, L6 i# t9 H$ M) }% s: B
$ O4 `; c; |# A: m) Q% H+ n0 ?
SysFreeString(topicStr);) D* T, B- C# Z9 c
SysFreeString(itemStr);2 O( r# `6 j, U+ i8 H! y$ _
请问该程序是获得extend里面的哪个值?: y# z5 \+ ~# Y& v
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????