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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:
e; H6 K. S" c5 _5 v ]/ @8 W! SName = (WCHAR *) L"Poke";* v# Y7 O2 [: x; P
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hr = m_pDisp->GetIDsOfNames (
+ J" }1 i* y) u0 u6 c IID_NULL, // reserved2 v6 V' v) u3 Y" B1 {
&Name, // Array of names to get IDs for3 h, D' x$ V8 m6 T5 ]
1, // # of names in the array
9 w2 r2 n# ~8 z" E6 j5 x; c# q; G LOCALE_SYSTEM_DEFAULT, // System locale
9 n& Z! E# k) v( g1 Y7 | &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");3 W8 g& p3 x6 z
return;9 R% D3 M7 t V2 h, {, G
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/**************************传递数据给extend**************************************// i- e/ W. q- H, A4 N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& t! j6 H, l3 d8 E: F2 `- b
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valueStr = SysAllocString((WCHAR *) L"1232");
9 A* B, H6 O6 B: s4 } VariantInit(&pokeVariant[0]); . k" I% c. U b: }; D8 A9 g
pokeVariant[0].vt = VT_BSTR;6 A/ s" {0 h. v8 K# Y6 b+ I: i
pokeVariant[0].bstrVal = valueStr;
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9 C, q: k5 p4 g7 J7 E- K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- [# M5 H+ J$ w6 x9 \# [( m VariantInit(&pokeVariant[1]); 3 @- ~+ P, m0 [- T3 a6 `+ f* B
pokeVariant[1].vt = VT_BSTR;: t! }8 @7 b( E( l
pokeVariant[1].bstrVal = itemStr;
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9 j# }! P$ Z- e& } topicStr = SysAllocString((WCHAR *) L"system");
0 N9 Q) X5 e2 L2 A+ l3 G& u- ]- H2 ` VariantInit(&pokeVariant[2]); - l3 G; w) q, i3 Z
pokeVariant[2].vt = VT_BSTR;/ s" `0 I) N( j# d E( L1 M' G
pokeVariant[2].bstrVal = topicStr;. F! t9 `8 h! `: J3 j
' L2 B: a9 {! w4 J. z* ^// Set the DISPPARAMS structure that holds the variant.; h7 l c% ^5 @" ?: P" n8 V* o" T
A E+ g b& e dp.rgvarg = pokeVariant; Y! {) U9 p% n7 I6 g7 B8 H
dp.cArgs = 3;1 Y2 a8 s8 W/ a- _. p. q
dp.rgdispidNamedArgs = NULL;
$ A8 M- d6 t% A d( k: l dp.cNamedArgs = 0;' } y- L7 i0 M/ Z! B1 L
6 j- U% I E: [( u- P8 k6 ?// Call IDispatch::Invoke()/ ` w! M/ G5 f
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hr = m_pDisp->Invoke(6 z+ ^1 d* {: R, t
pokeID,$ |4 _( R2 ~6 @- d8 e. D b% u
IID_NULL,, w. s2 B2 T3 Q9 d
LOCALE_SYSTEM_DEFAULT,
4 q: i8 L) t; |* a, u: j% L DISPATCH_METHOD,
7 V: F7 D% R; r) J &dp,9 c( _9 N1 A9 d/ Q5 i# c
NULL,& n8 `, c0 S. ^. `
&ei,
$ Q+ @) F/ R% T) T &uiErr);. A/ e! [' h i$ x! d: y! `
' K9 T% j% U' n SysFreeString(topicStr);
; y0 I, `* _4 o z: s8 _4 \# H, [2 C2 @ SysFreeString(itemStr);
* Z1 T1 [! K% x$ d+ h- ] [ SysFreeString(valueStr);
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, n- Q- a" @/ e8 S$ |8 G6 G2 H q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??? ^+ h5 C. q5 I+ X2 B; [
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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2.这是request的程序
/ c4 q- u8 U9 w1 \. p// Request a value from Extend" H+ C4 {2 p! A
//+ w+ U+ v* Z/ M4 D
// Initialize the variant that will hold the BSTR. Set the variant's
& M3 K* x' H" r* U5 y; M- X F. c// type flag to indicate the fact that this variant holds a BSTR. Place the
3 I3 {+ s, \, |9 j// BSTR into the variant structure.: G! u! V% a( R, I
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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7 i9 x' h, V7 {6 J# F/ d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! S1 L, ~) F: @$ M' V( }$ c; @+ ~; z
VariantInit(&requestVariant[0]); " a5 u( J3 d1 }, i; d, m l* \
requestVariant[0].vt = VT_BSTR;
& s. `+ h, k3 y& O8 A1 r requestVariant[0].bstrVal = itemStr;/ y: e; \$ Z: P; M8 L
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topicStr = SysAllocString((WCHAR *) L"system");) K. U: u0 W) R
VariantInit(&requestVariant[1]);
' ~5 f: B B) g. l- k! T requestVariant[1].vt = VT_BSTR;9 [- }1 z0 A$ _, z- q$ k. K4 q
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.2 j9 R1 y$ V3 S ?$ }
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dp2.rgvarg = requestVariant;
3 x9 x! ~4 _. t5 S. |7 M; c2 G dp2.cArgs = 2;
0 S8 ^& F; K! q& } dp2.rgdispidNamedArgs = NULL;
7 S( b; D! ^4 O' `, q dp2.cNamedArgs = 0;( D A! W1 W T2 _6 @" d4 Z* {
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var.vt = VT_EMPTY;9 Q* }0 `) X- Y" r7 ]) u" G3 K' z) j
, U8 _+ }: e, a, b. C, v4 z" i// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 [; I" k$ t! e& ^ requestID,! z5 n5 `6 i$ @
IID_NULL,
, f, ~- _8 q" b3 S LOCALE_SYSTEM_DEFAULT,
7 h/ v9 `- R+ d0 }* M, L DISPATCH_METHOD,6 S& j4 `- b) W$ b* m1 a8 K3 T
&dp2,: z4 X3 z$ _+ E
&var,3 ^8 N/ h, s* H" m% Y. ?) M
&ei,+ m: B/ w% u( n+ @1 r- ^
&uiErr);" {8 `2 G" G9 `7 W
( e5 B/ p1 w# g% {4 v SysFreeString(topicStr);
! ?! d; r9 L7 ~3 I2 J" ]0 f/ _ SysFreeString(itemStr);2 \' g. d! |3 p) K/ S0 H
请问该程序是获得extend里面的哪个值?
* F2 l2 W3 \* T7 g9 \! H! ? v( c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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