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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:) s7 y' Y2 t; d) [. Z7 Z" d! @
Name = (WCHAR *) L"Poke";3 @7 L$ \: |0 s
' w2 d6 h4 f- B9 f- z hr = m_pDisp->GetIDsOfNames (0 V6 |5 k7 T; x/ p$ h' e) ^
IID_NULL, // reserved
5 |8 w- N V! h! m &Name, // Array of names to get IDs for! t- v5 E. B: j# r
1, // # of names in the array
3 ?8 i3 }7 y/ L% @ LOCALE_SYSTEM_DEFAULT, // System locale
' r( x# D2 S- T5 F0 ]' p, d &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");: C6 B7 H$ P0 w9 t J- L
return;) j0 l! G6 Z2 g2 P( ^
}; s& d+ V' T: c/ z5 B* C; S o
! N1 M7 z# w |5 Y6 e0 f9 z/**************************传递数据给extend**************************************/
9 ]" N; n7 _4 o) C |; \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% ?4 W* A2 x& Q) p! t& U
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valueStr = SysAllocString((WCHAR *) L"1232");
2 v* P" l4 T) g: c VariantInit(&pokeVariant[0]);
& [: N! }3 e5 _" h pokeVariant[0].vt = VT_BSTR;# H% ^, c8 @- H, s6 o. b5 i
pokeVariant[0].bstrVal = valueStr;5 g+ @0 g' b- }0 l E9 f* D
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 X |5 K: W- \$ b VariantInit(&pokeVariant[1]);
& p7 @" W! a( K! Q pokeVariant[1].vt = VT_BSTR;
; m7 ~1 h. q' e2 |' U pokeVariant[1].bstrVal = itemStr;
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' b* V( z" b/ X topicStr = SysAllocString((WCHAR *) L"system");
0 @+ _' \ f4 `/ q$ _- t2 l4 b VariantInit(&pokeVariant[2]);
8 g4 v; C, C* n. f pokeVariant[2].vt = VT_BSTR;: j2 k, O4 z& Y, s
pokeVariant[2].bstrVal = topicStr;( X& m0 f" }9 S( [' k' E
- r' ]$ X; C9 z! b1 P1 p8 _// Set the DISPPARAMS structure that holds the variant.# n2 G* n+ i7 z6 S0 g
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dp.rgvarg = pokeVariant;3 }5 @, k' Z, m; S& ]4 _9 ?; `* @" W
dp.cArgs = 3;6 P' }& R! ? v+ b2 d8 \; c t& M
dp.rgdispidNamedArgs = NULL;+ L: O2 j" }5 g5 W6 ?8 T5 z
dp.cNamedArgs = 0;' U9 Q8 J2 O, v* y* z: o- r
/ t6 ?. C: T9 o/ f; x
// Call IDispatch::Invoke()1 g7 e" E( J. s# Z, h
* ~' V0 D+ @& G @7 }% P hr = m_pDisp->Invoke(4 f" Y/ U$ c" M
pokeID,
; u1 N+ Q% r6 f" P: x7 K5 _9 b IID_NULL,. x$ m( f0 ? _
LOCALE_SYSTEM_DEFAULT,
5 K( Q. i9 F w DISPATCH_METHOD,9 u, o9 Q/ Z# V4 ]
&dp,' g: T7 O4 T: O U* i+ |- G1 X
NULL,4 V$ K# N8 b" u
&ei,
/ x0 H0 k, X- o$ N# u, }) i &uiErr);
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SysFreeString(topicStr);" \+ J' B% F5 H$ r2 J% I
SysFreeString(itemStr);' N: Y+ T9 M6 {6 t
SysFreeString(valueStr);
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" `5 {3 C/ }. k. f; _7 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???3 ?1 l# f6 G! ]; ^2 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????( v% O# b$ K ], ^1 V
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& W0 x q9 r* K2.这是request的程序
5 L( c" F3 Z. n( v3 F( G, P// Request a value from Extend
: C# k. n7 j# e9 b$ [( r( g" I//
2 M- k) W r3 [6 Z% Y/ R// Initialize the variant that will hold the BSTR. Set the variant's
9 k6 A: ~* U6 v% F// type flag to indicate the fact that this variant holds a BSTR. Place the
t. C& I6 k/ ^0 E// BSTR into the variant structure.
J2 \! @+ V) {+ J
$ |( ^' d0 P1 S$ M* G, |' s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" A$ q) O" n6 g) f& `/ T- w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' y1 P; i$ {: }$ m9 O6 N
VariantInit(&requestVariant[0]); " S1 H5 h9 a- X: D
requestVariant[0].vt = VT_BSTR;
3 p/ I+ E) Z$ E/ U% X requestVariant[0].bstrVal = itemStr;
# c5 Q6 I6 G2 x6 I6 j. [ j. j% e- J+ `( X" y9 k# H. ^
topicStr = SysAllocString((WCHAR *) L"system");
3 B2 `! h. n! m D VariantInit(&requestVariant[1]);
% @9 j( Z8 @3 ~9 Z# g; C requestVariant[1].vt = VT_BSTR;
; ]) m' ^) J6 Y2 `3 w- X( A9 o requestVariant[1].bstrVal = topicStr;
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1 \2 h- @% j9 [2 K, \- I// Set the DISPPARAMS structure that holds the variant.2 E* y' X) x2 W o* y2 _! @3 n4 V
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dp2.rgvarg = requestVariant;8 f1 T8 ~' \( ~5 }5 n$ m3 [& L8 L6 j L
dp2.cArgs = 2;0 G1 E+ K* h# s$ M
dp2.rgdispidNamedArgs = NULL;# p9 K% K* q+ D, `4 U2 J0 ~& i( U
dp2.cNamedArgs = 0;
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- X5 P2 I9 e6 o" m var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
/ f4 v) {$ t1 h; X: m& ] requestID,
/ V& `- E& n7 Q8 Q- b IID_NULL,
$ E( v6 Z# { v; c5 z$ A9 p# Y6 q LOCALE_SYSTEM_DEFAULT,
* Z% C2 q4 H5 n q; |4 M+ d3 y DISPATCH_METHOD,* G7 w$ L6 n1 ~5 P8 G% B9 V9 j
&dp2,9 w3 f d. f) }( J* n
&var,) o$ K; d0 f7 f( M$ t
&ei,7 a) t; G7 `- i" j
&uiErr);# b% q# I; _) Y- F8 G9 m
( J' i- M) \$ e e; n! b: w4 q3 U SysFreeString(topicStr);& X1 x# |# b* B8 Q9 d, Q+ T
SysFreeString(itemStr);" c. @9 t7 l( O* Q" R
请问该程序是获得extend里面的哪个值?
# ]: V( }# X- Y' N9 T8 q3 ?, \) r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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