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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:" e3 J* S$ q0 f7 T! E
Name = (WCHAR *) L"Poke";7 X$ P- W! K* o$ c, Y* c; |
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hr = m_pDisp->GetIDsOfNames (7 e' z2 i$ k# G+ A/ n+ e4 [
IID_NULL, // reserved
* i1 T' R) Z; j6 e% K! h &Name, // Array of names to get IDs for
/ i) L* N# H* s5 @, R+ e; k. Y 1, // # of names in the array/ q s0 S6 C6 @* M& o
LOCALE_SYSTEM_DEFAULT, // System locale) b1 E% }+ e4 c( |) v, U
&pokeID); // Array of IDs to fill on output$ n- h$ m, D! _* \' g4 Q
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if (hr)
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MessageBox ("Get Poke Unsuccessful");) l! Y+ Q5 Q! E
return;
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/**************************传递数据给extend**************************************/
$ Y7 \1 }0 K2 \ z: F: J: x; v7 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& h2 }; M' S7 r* o+ D6 V
+ {: S+ k( i& h k5 O9 C; u
valueStr = SysAllocString((WCHAR *) L"1232");
- d# ?) T! i6 \+ X S' R/ U8 V VariantInit(&pokeVariant[0]); ( v, {& o/ t" G- S
pokeVariant[0].vt = VT_BSTR;6 F0 |6 X* M9 {7 I- r
pokeVariant[0].bstrVal = valueStr;' U1 r& I# T K6 }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 E0 k7 i8 w' f; _/ c/ ^ VariantInit(&pokeVariant[1]);
3 Q' S# O5 [6 `" a7 c6 U; b pokeVariant[1].vt = VT_BSTR;
8 ?. L7 H3 X6 h* _& R pokeVariant[1].bstrVal = itemStr;
$ Z! `) }. F9 ^9 h
6 g/ Z) m# T f; _7 q# W! j+ S$ O2 ~ topicStr = SysAllocString((WCHAR *) L"system");
6 E2 w9 {; b+ X8 x! c+ c+ b# l VariantInit(&pokeVariant[2]); - o& e& t7 W- w2 F# n# X# o a% @
pokeVariant[2].vt = VT_BSTR;
, i! @" p" U2 O7 M t: a pokeVariant[2].bstrVal = topicStr;8 W% ]( u4 t- L; C" E
! a# E1 ?9 t" F' s, T5 y. m// Set the DISPPARAMS structure that holds the variant.) j7 a2 E* W! D U# z! s; e8 ]2 m) n7 T
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dp.rgvarg = pokeVariant;) g; m+ c3 `5 N+ U3 i
dp.cArgs = 3;; A3 H3 U% h) o% i- O
dp.rgdispidNamedArgs = NULL;4 z s" P/ A4 T: u; _
dp.cNamedArgs = 0;
; P' C6 }4 i- ]) X; y! g" N( P
( `2 ^# G. J5 C! K// Call IDispatch::Invoke()
2 M6 ^7 Y; A4 O1 U& f
6 g9 N9 s% `$ x4 p$ ^' ] hr = m_pDisp->Invoke(5 L3 g% i( q- D9 ^6 D: w
pokeID, P" U$ J& H6 k. w) M- o: W* c% c
IID_NULL,; f( H& ^# d' q% o, C# _
LOCALE_SYSTEM_DEFAULT,2 Y \: d% M7 L! y9 |
DISPATCH_METHOD,2 q) P* {: ~! [- ~7 k# W/ S
&dp,
" H$ f, D5 z+ \ NULL,
) J. l2 |3 Q) \: R &ei,& v) |/ p' \5 A, X& f
&uiErr);# q4 {( t/ c) h- V$ Z% f
% h8 ]4 a0 Q `+ r+ ?" E( u' C1 o$ ?. _
SysFreeString(topicStr);% L6 K4 d0 p* I$ t* p9 z. j5 u) [' H
SysFreeString(itemStr);
5 T& |8 T; G( Z6 Z; j SysFreeString(valueStr);
* j) h) N/ m- u+ v$ m" D, t
# Q' w) P& l& S# H7 F _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???
) N- a- \: t5 ~* ^- b3 Z5 @& A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????7 {/ T9 f$ Q$ S1 b7 k2 X/ D
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( ~7 P0 b' F0 Z& g& t
2.这是request的程序3 W0 o) f/ R' ?/ {2 M
// Request a value from Extend& _( U$ x2 k# g, |( w" C7 a
//) j) A; I& E! s a% `, e
// Initialize the variant that will hold the BSTR. Set the variant's
R& s$ p2 c/ k5 j// type flag to indicate the fact that this variant holds a BSTR. Place the
+ G! a0 h% x# c* C' Y8 S, n// BSTR into the variant structure.0 B2 }: K" }; m, ?: a: ~8 z
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 o/ v, L5 i y+ @
VariantInit(&requestVariant[0]);
3 R2 [+ ^% Q( F: i requestVariant[0].vt = VT_BSTR;, H5 v, J: n1 a
requestVariant[0].bstrVal = itemStr;
/ L& [; @* O4 N/ R: V' F: A) ~) T5 o; u. s# R* z% ?# }
topicStr = SysAllocString((WCHAR *) L"system");. r! K1 S/ G" D$ b' n, U
VariantInit(&requestVariant[1]);
k6 c" f: |" K% X" C1 R requestVariant[1].vt = VT_BSTR;
% f( }0 }. S- J8 v' J! d- Z requestVariant[1].bstrVal = topicStr;
) k: Z0 U( W& @/ I9 \1 X, ]
+ c! w6 E4 y3 n# A; K// Set the DISPPARAMS structure that holds the variant.
& _7 D. Q; s/ w Y, e. @+ ]# H; T! n$ O5 d$ ?+ X4 v6 ~( h, B
dp2.rgvarg = requestVariant;, J: j# m1 Q0 g8 G7 x9 B8 m
dp2.cArgs = 2;: m8 O; n) R( L: ]9 k" z3 D
dp2.rgdispidNamedArgs = NULL;
9 T3 p" O% }+ I9 W' o( f dp2.cNamedArgs = 0;( L' K, ~( k+ e' H0 C7 t, b
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var.vt = VT_EMPTY;2 X; N, W: X3 x" n* B
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// Call IDispatch::Invoke()
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% _% w" N; ?* D4 Z ^- [ hr = m_pDisp->Invoke(
7 V5 k4 p7 X+ y! z requestID,
1 t7 ]1 r4 e4 ], N& G IID_NULL,8 p. K" ]$ E5 B# ]: ?
LOCALE_SYSTEM_DEFAULT,) k+ b, J# u H: e9 n7 M( K; i
DISPATCH_METHOD,
/ o6 y6 b3 I9 {8 z- p1 h# x &dp2,
' x) A: F1 v- p: V &var,: F% m# T% K7 | Z$ n
&ei,
! W. x$ j( i& @ &uiErr);* B" P* [2 B1 d7 r' K4 u9 B
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SysFreeString(topicStr);
4 q' n; o/ A1 N+ y SysFreeString(itemStr);9 l' H( O6 n. a7 \! n
请问该程序是获得extend里面的哪个值?
+ b4 J* z7 d. u( {! y2 b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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