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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:
+ V; ]+ A% H- ^; N* qName = (WCHAR *) L"Poke";
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" E& x8 E+ i( R$ y9 z: I9 j9 } hr = m_pDisp->GetIDsOfNames (2 J6 {1 C$ b/ w; Z( w' d
IID_NULL, // reserved
+ K' u7 Z8 t9 |' M9 L; t: a &Name, // Array of names to get IDs for2 }) L; t' Y, v& \1 N
1, // # of names in the array
2 ?# E" L% C. R. J' Z2 e" W5 v S LOCALE_SYSTEM_DEFAULT, // System locale+ u% o2 R1 Q' R- d9 ]
&pokeID); // Array of IDs to fill on output
9 X- ]4 |, \4 I- }+ u0 C1 ~0 L4 a8 h0 r
' c6 w$ ^1 t/ A, @7 [' o if (hr)6 V7 K8 A2 t& g
{, e& g" f; u( W. ?! ~
MessageBox ("Get Poke Unsuccessful");1 `6 b% g* O5 D/ P: s
return;% t, r7 }+ j* }, \
}4 K! `' ^- \3 P9 H0 A9 S0 q
% ?& u4 j: m/ F$ T( |( J1 R7 `; J/**************************传递数据给extend**************************************/
7 Q/ y0 z k. d5 y- s0 F U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 t' O2 U$ a# s
! {) c& c: d" T9 g. M4 @ valueStr = SysAllocString((WCHAR *) L"1232");
& t) _5 R. s- ?8 L, K0 u VariantInit(&pokeVariant[0]); 0 K! O8 e! T" F/ A; Q/ f2 ~
pokeVariant[0].vt = VT_BSTR;
( h) V3 P @- k" U1 O pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' o+ q/ [; z. t0 J/ ^/ o. i+ R VariantInit(&pokeVariant[1]); ' Y% }( y7 G' C" `
pokeVariant[1].vt = VT_BSTR;! y: `; f+ h0 |' m, s
pokeVariant[1].bstrVal = itemStr;/ n& g R1 Z/ _, {4 l
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topicStr = SysAllocString((WCHAR *) L"system");7 U1 y& Q. d I: J
VariantInit(&pokeVariant[2]);
) N+ p+ C: t" [" M6 s" m* s: Y pokeVariant[2].vt = VT_BSTR;
2 ?: B4 F; t( @5 h- \8 a. @4 g pokeVariant[2].bstrVal = topicStr;
' {$ t# @. y, t
" k! t7 ]) Z, X3 x* H: y! ^% z$ x// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;5 j) @9 D8 c" Z# t+ ~
dp.cArgs = 3;
0 R4 z' F1 P9 d( I. z1 S+ d% r dp.rgdispidNamedArgs = NULL;" Q! [2 C0 N8 T `( L% ^
dp.cNamedArgs = 0;7 N/ Q7 d g4 n; P
1 L) ^$ M( G0 v4 U6 D! Q# t
// Call IDispatch::Invoke()% _: r; f2 c- C4 t- x+ i
% r* @! B5 b, g
hr = m_pDisp->Invoke(6 a1 F& w7 J, m; G8 }- e5 [: v
pokeID,$ t" p+ a1 s# b3 Y4 ^5 u
IID_NULL,. h! _" F3 j1 u, x
LOCALE_SYSTEM_DEFAULT,# n8 |; u( h1 E) u0 ]* C) _
DISPATCH_METHOD,
3 M! [ \/ L" }7 _% ~* ^2 q6 T &dp,
& k* v1 ^2 L/ G+ V3 ^8 K NULL,8 v' p: U; q# O! }
&ei,
% v8 {, }; ~5 ^, w2 `" H &uiErr);0 [- J6 X$ l% ]+ t
- p S+ _5 H) o. v- { SysFreeString(topicStr);
5 z( h' S4 _. s- K6 E' j SysFreeString(itemStr); H/ v6 L& f! F6 O/ P
SysFreeString(valueStr);
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. H/ E* O5 V2 C' s2 s6 u* s8 W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???" v. U7 b1 s- ~& H* v @6 f
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????, S% I( W4 V( N9 g! K8 y. w) ?
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' o' U# h/ ?4 h2.这是request的程序0 @: W C5 W, H8 A5 W+ x) u- E9 ^
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
( p2 {7 \& ^" Q( O$ F4 a: S. i: f// type flag to indicate the fact that this variant holds a BSTR. Place the9 u" Y8 A ]$ R! K7 E# _+ `) g
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 |; {# U* p$ s8 V X7 B# s
VariantInit(&requestVariant[0]); 7 ^0 s, T, y; H3 U* i/ s" f# Z
requestVariant[0].vt = VT_BSTR;
$ V! `7 l6 O3 I4 W7 a& t+ k requestVariant[0].bstrVal = itemStr;' u" z% P; c4 K6 n( e3 |2 E) n
% j% [( a7 y( N( L* g4 q% P topicStr = SysAllocString((WCHAR *) L"system");6 S- T2 q+ i. L( @6 V' R% H: j* `
VariantInit(&requestVariant[1]);
]( R0 r9 S; A* z& u requestVariant[1].vt = VT_BSTR;& o4 _/ [3 C$ @# D/ F' O7 \- _
requestVariant[1].bstrVal = topicStr;
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: M; Z# t/ H! @ u! X, c* ^// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;) t4 n' u7 B$ E( Y6 L) k5 ^7 Z9 j
dp2.cArgs = 2;# `0 Y. J- @! W" @; K9 |
dp2.rgdispidNamedArgs = NULL;/ g- E4 g, b: M/ P. N/ {
dp2.cNamedArgs = 0;
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7 g4 s4 c; K' J' X1 c: @' v6 I2 R0 I8 P var.vt = VT_EMPTY;3 M$ V+ i9 f5 D. k" d, n
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// Call IDispatch::Invoke()+ Y- F. G9 o8 D7 P- x, i/ E. \
6 D5 D3 }, D, `' H1 }9 U hr = m_pDisp->Invoke(
1 E$ }9 D* b* t' ^. _; z; `, T requestID,
, `4 m- N1 l- ?( {$ F; a IID_NULL,
9 Q' I/ w/ ] o, S; x8 v5 ` LOCALE_SYSTEM_DEFAULT,
5 |% x' F8 \: e# r8 r& B7 Y a DISPATCH_METHOD,
8 k3 l: t# l0 Z &dp2,
) |% K+ x* z3 W1 n; _ &var,7 ~2 ^, N1 g1 ^5 G3 `7 V
&ei,
/ D1 \( \8 D* d8 ]& ] &uiErr);/ o. t F/ v3 y" I9 z: q
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SysFreeString(topicStr);4 K. k2 N" s- K) ]
SysFreeString(itemStr);
$ z: Y$ \7 K \& ?% ?" o9 ^请问该程序是获得extend里面的哪个值?
8 V5 o8 r2 d/ t; }. d7 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???? |
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