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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:
9 `& F- ?! \& M& }0 Y2 QName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
, r2 `0 @- b2 p* n6 W1 g1 g IID_NULL, // reserved+ r' @' P$ o: U; Q/ R7 N" S
&Name, // Array of names to get IDs for
' t/ o h) t, e1 ~) I) a 1, // # of names in the array! B) [* m; C- O5 y
LOCALE_SYSTEM_DEFAULT, // System locale; l' H( S" m* M7 `! c5 u% @
&pokeID); // Array of IDs to fill on output8 s5 [; Y) Z/ d; A3 R/ U
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if (hr)/ \# `9 ?) z" x" a0 B
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MessageBox ("Get Poke Unsuccessful");
9 H/ n W" e- Z/ P: R) P) K return;- d! ?9 S' X! o( w
}
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% [7 h9 t5 ^! q: U/**************************传递数据给extend**************************************/ b; H% U( |4 |% g0 x* H/ z; K
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");4 ^8 f, g+ H- h Y9 ]
VariantInit(&pokeVariant[0]);
. f0 H2 n0 k" S$ x, {4 | pokeVariant[0].vt = VT_BSTR;* {9 W L1 x. E1 {1 `
pokeVariant[0].bstrVal = valueStr;& e7 R6 G$ t4 ~: B" ]8 W
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ u( ]/ z6 Q; W& [
VariantInit(&pokeVariant[1]);
: s. n2 y& G- w8 a1 m# x/ I pokeVariant[1].vt = VT_BSTR;. X9 O; u; ?2 U4 I7 y) K
pokeVariant[1].bstrVal = itemStr;$ j, B- r9 h; i/ ?; L
# k& n* Y8 e5 D5 y( _. o- } topicStr = SysAllocString((WCHAR *) L"system");$ a# G+ c- {' Y. G! P6 R. v
VariantInit(&pokeVariant[2]);
% H4 a0 R/ g0 t" D) U pokeVariant[2].vt = VT_BSTR;/ J3 v- m/ e9 T7 V: _+ }3 R
pokeVariant[2].bstrVal = topicStr;* f5 B( u D/ G5 U0 F
+ f9 d* e8 b# Y" ?* {5 D; k, W// Set the DISPPARAMS structure that holds the variant.- F! l# M/ ?/ T; o8 }8 G$ r7 G$ v \
3 H* z9 }! M4 ~4 v- d9 | dp.rgvarg = pokeVariant;: O' k. z2 z4 Q8 P& _
dp.cArgs = 3;8 d9 Q6 ?) ]% m+ r
dp.rgdispidNamedArgs = NULL;
. E, D& G% y+ T. d dp.cNamedArgs = 0;
+ g" N3 C4 ^4 O7 v7 c
h9 G: | X/ l// Call IDispatch::Invoke(); N7 C0 o- t0 }2 D( t5 R6 ]
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hr = m_pDisp->Invoke(
6 n. P/ S4 x6 C( D pokeID,0 m1 A1 T+ v- K' o* P9 `
IID_NULL,0 t; i1 i% ]0 D8 \5 u+ \! \
LOCALE_SYSTEM_DEFAULT,; L1 |; s9 ]9 U0 B4 S7 p/ a$ D; E
DISPATCH_METHOD,
# O5 o8 J1 @$ [ &dp,
: }) x/ ~, D+ D e4 ?, L NULL,7 o/ l N7 B' o, Q* u' ]2 q& r
&ei,4 B. y- P( ~# W8 N' C4 @, q
&uiErr);/ G- |: p! o1 A8 M0 n
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SysFreeString(topicStr);7 r0 U1 D* U/ _" e
SysFreeString(itemStr);
- o$ ~0 w% ]2 e( }" g SysFreeString(valueStr);! c& Y" R# ?) X9 y% a2 s! m. O
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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???) e. `, v6 Y# z6 S
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
) V1 h: F# R1 {// Request a value from Extend7 Q. b1 L8 L( p
//( w6 A' S( P& G# l$ Z1 ^/ u
// Initialize the variant that will hold the BSTR. Set the variant's
7 g9 K: j7 h) K( f# K# H N// type flag to indicate the fact that this variant holds a BSTR. Place the
$ ^4 M2 J: I, n0 Y# p8 F// BSTR into the variant structure.
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! ^0 I% y2 V, f3 b6 Q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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) S% I8 P9 x- M$ ^# ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
a5 A \$ p/ S' _1 l6 d VariantInit(&requestVariant[0]);
. L) Y) A3 H9 y- d requestVariant[0].vt = VT_BSTR;7 X6 z. h/ m; k2 p
requestVariant[0].bstrVal = itemStr;5 ^8 g8 D4 k6 X" [4 r5 q0 i0 A
. @% c# I3 _; s& Y topicStr = SysAllocString((WCHAR *) L"system");7 v' z, Y: u2 U) S7 m; k$ Z
VariantInit(&requestVariant[1]); 6 A! j7 b( L" C4 }$ `* W
requestVariant[1].vt = VT_BSTR;
$ }( t; O. G( Z requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.9 ]5 i4 t$ ^/ E; |8 E/ A+ H2 a
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dp2.rgvarg = requestVariant;5 I9 d C3 K; N, P" {" m
dp2.cArgs = 2;
! w2 O# P8 T7 | dp2.rgdispidNamedArgs = NULL;8 }0 Q1 m- B/ D0 d$ B. U
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()# Y Q4 w6 Q1 ]" ~$ @% t) T( {4 @
0 B% Z4 n) \# i1 g# E9 M hr = m_pDisp->Invoke(
$ m, u$ h# f o/ v$ y; q. u, U requestID,
$ p( j; }5 G4 ` IID_NULL,
( t- H6 f/ [2 p- | ?3 a g LOCALE_SYSTEM_DEFAULT,
! Z% R2 o9 i3 ^- D! ~ DISPATCH_METHOD,8 r% U6 F3 w( a' J
&dp2,# H" ?8 A J9 \. B3 H
&var, P( a% R/ ]( o2 ~4 ]
&ei,4 v2 l+ A$ s* M& i
&uiErr);
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SysFreeString(topicStr);; ~* b+ z0 x- }- d$ N
SysFreeString(itemStr);; X9 ?5 @" i% T' o
请问该程序是获得extend里面的哪个值?
" f4 Y/ o7 r7 t* H# d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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