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5仿真币
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:
$ N+ ^$ j$ Z0 N5 j, q+ v @- ~: oName = (WCHAR *) L"Poke";; R( X7 W' M9 u2 w4 G7 V' @
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hr = m_pDisp->GetIDsOfNames (
: w" [2 d$ d E4 _ IID_NULL, // reserved* Q- r ]8 @8 X: k- P" B9 F
&Name, // Array of names to get IDs for$ A% H: Q$ B; M
1, // # of names in the array% U" O' A; C2 I& f6 i2 }" m: q
LOCALE_SYSTEM_DEFAULT, // System locale
$ e! ~+ T/ e+ d7 }% t' L/ t- w3 E &pokeID); // Array of IDs to fill on output9 k/ F; w# \4 K3 J
& ?5 A/ h9 Y6 @* g# z" D if (hr)+ s; ?$ P7 S+ @# z+ p
{
$ c! O% `. l5 J/ n- I MessageBox ("Get Poke Unsuccessful");8 d) Q, l- P! d; H/ ?& ?
return;
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, ~5 c1 [7 r0 C/**************************传递数据给extend**************************************/# k: [6 H8 A4 W7 N, [+ U9 A9 w
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ m9 [9 u, X7 O
8 L4 i* C. `) b, S6 N n& G valueStr = SysAllocString((WCHAR *) L"1232");
1 }) Z* R, _% U; } VariantInit(&pokeVariant[0]);
4 f4 e) ~( v8 I c( u6 U+ i9 C$ I2 e pokeVariant[0].vt = VT_BSTR;
' ?: D; }+ K, x# m1 F5 z6 u pokeVariant[0].bstrVal = valueStr;1 f( J/ k' s$ z2 T: d/ q" M% B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. b" h' R* s- d3 a! \0 ~" @/ o" Z
VariantInit(&pokeVariant[1]);
: S. H+ w5 N- ]) f9 j( D pokeVariant[1].vt = VT_BSTR;
% Y* j. m- e5 |0 b4 J# E! T6 A3 q pokeVariant[1].bstrVal = itemStr;+ g3 k6 m2 J, Z+ i! u
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topicStr = SysAllocString((WCHAR *) L"system");
1 ~4 {% |' f8 Y1 l* O; u# ^ VariantInit(&pokeVariant[2]); ( A/ Q }8 s0 x+ ~* a( z9 t: q
pokeVariant[2].vt = VT_BSTR;
& L& y1 J' G' S, |( q pokeVariant[2].bstrVal = topicStr;
, J b, }+ I9 Z V0 A( W. H$ N, m* K
# i! ~: Y; j/ F+ S// Set the DISPPARAMS structure that holds the variant.' O! i9 w) s1 ?6 q0 g. s
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dp.rgvarg = pokeVariant;. ]$ z7 m, H- X
dp.cArgs = 3;
) A) ^4 T/ x* P* _ dp.rgdispidNamedArgs = NULL;2 r% ^/ |: z6 Z
dp.cNamedArgs = 0;2 q; G: u" E9 [* g% ]. }& Z
4 h# k5 a3 e% Q+ M- ^" ^// Call IDispatch::Invoke()0 S; ^8 q3 A' S' Z) R
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hr = m_pDisp->Invoke(
7 ?" j7 b/ r, I1 G9 g# N: N& w* r pokeID,
6 R( K5 u2 a, A* ^/ C# p IID_NULL,
7 t$ ]/ f1 g* h6 ^4 `" t9 E) ?8 { LOCALE_SYSTEM_DEFAULT,* m3 t# [0 {8 E- A' c
DISPATCH_METHOD,
, j; `+ U! ^. J0 ? &dp,6 @$ P: q0 Y1 E& I) x! K7 Z
NULL,
0 K4 S/ O O' K9 B* A! y; s &ei,: p N4 _! `! A ?* ?, s8 `$ K
&uiErr);
/ d( P$ n9 G# @0 _8 w
/ m; p2 m8 f% F7 d6 F7 k& k SysFreeString(topicStr);
2 R: }5 \% p" d8 V SysFreeString(itemStr);
9 X9 q1 l' f, A( w1 y/ K" G& l SysFreeString(valueStr);
! l- T" E) M# t9 X8 R% z6 l9 x2 e
: w6 [- `2 y( t8 M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???- f4 m [0 F- }1 \. f, I. _" L
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????
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$ F$ Q6 {" l3 v4 [+ H3 M+ V. @
2.这是request的程序
$ K! z' w$ N. p K* F1 v" B* ~5 M// Request a value from Extend
( M- h4 Y8 Y9 a0 w7 q/// \8 o" S# r8 g" Z
// Initialize the variant that will hold the BSTR. Set the variant's
% O J Y$ `, a" W// type flag to indicate the fact that this variant holds a BSTR. Place the
4 b4 ?3 y% c3 {1 K. J. n# P6 T// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! T/ q. _- p( C* m7 a/ B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 _) e n& N p- ^7 m5 v# N VariantInit(&requestVariant[0]);
& `- t: t4 j% D, r) E requestVariant[0].vt = VT_BSTR;- X$ L K: u! B/ z
requestVariant[0].bstrVal = itemStr;3 @$ ~* F U: d% I9 r
$ `! ^2 b4 k9 g! N4 i% w- q; P. i
topicStr = SysAllocString((WCHAR *) L"system");
9 T% c1 G5 H: d' k" V& \1 s VariantInit(&requestVariant[1]);
6 Y9 F, f/ t9 j* n% w& t; C1 C requestVariant[1].vt = VT_BSTR;
! C2 A/ j3 S' \) `8 A8 W* z, Z. g requestVariant[1].bstrVal = topicStr;# W# o0 _2 Y5 F( w0 [0 T( O$ `
8 {. ^- A. p; o0 ?& L) k2 y// Set the DISPPARAMS structure that holds the variant.* I! j! Y$ L* `- N
/ ?2 Y! x h+ v. e( H! n dp2.rgvarg = requestVariant;
1 m, i% j, G9 q1 H dp2.cArgs = 2;" ?/ u" Y, Z$ q) m+ g+ Z {' c, U
dp2.rgdispidNamedArgs = NULL;
9 ^- B6 w; D6 D/ r- i+ P( I dp2.cNamedArgs = 0;
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# h9 d4 v, c0 F w, L var.vt = VT_EMPTY;/ T2 H( C. p( z% p9 j( `
# D# s7 I. q+ t" _8 d// Call IDispatch::Invoke()% g4 `5 {3 k9 J! K, E
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hr = m_pDisp->Invoke(- R2 b) g+ V) b' \
requestID,
/ Y4 K( H% O+ k: M7 T) p3 u, i. V IID_NULL,: G- y8 W( ]; u+ D6 A2 ^& `: a
LOCALE_SYSTEM_DEFAULT,
- k# h9 u9 c4 i5 O DISPATCH_METHOD,
. Z2 H3 c+ o4 w! G: D+ H% [' S b- S &dp2,
4 o7 D6 v$ e8 T9 m: q, G &var,
! A7 E r7 d- R P! ~$ \& ?7 Y &ei,6 w; A; J3 {+ r! e" x
&uiErr);
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) |/ u; q& ^5 R# i: ~' A0 N SysFreeString(topicStr);
! _) I$ k6 f% V$ Q* K! F8 d7 i- M7 o SysFreeString(itemStr);- c& w2 q! r$ M" L
请问该程序是获得extend里面的哪个值?
- q1 \2 l4 a/ g* r' S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???? |
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