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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:
- s! p5 k9 n" d. Q8 _" l+ tName = (WCHAR *) L"Poke";* e; z: | D' G
5 W, d; x9 e8 { hr = m_pDisp->GetIDsOfNames (
0 {+ ~7 J- x1 L8 [7 K, ~$ ] IID_NULL, // reserved( H3 r3 R" m! Q0 `8 e
&Name, // Array of names to get IDs for
, ^, ~( s9 x% D( E: R6 t& u) Z, ? 1, // # of names in the array" `, o+ C* z- U! N( ^. y
LOCALE_SYSTEM_DEFAULT, // System locale4 U( D$ f4 u4 }! L
&pokeID); // Array of IDs to fill on output1 [" B7 _+ }: ^8 _! f; v
, |& ?) O* \9 A4 d4 N if (hr)# H S4 o3 e- U* H+ d& r) O/ z
{
) j5 ]# Z7 H: _ @4 j# O MessageBox ("Get Poke Unsuccessful");
5 G% M8 Y* W3 y! S return;* N t9 D% Z p. G% J% ?: ^2 ^
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/**************************传递数据给extend**************************************/
1 G5 V- H" o5 ?$ j/ V' a) W5 O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); S1 p" O/ ]+ s8 _- D( g
7 r _) |+ F6 A
valueStr = SysAllocString((WCHAR *) L"1232");
7 q* m6 [8 {+ q1 c0 R; A6 x6 O4 U- @ VariantInit(&pokeVariant[0]); , S; [4 _0 ]% o6 L5 x9 c0 _+ K
pokeVariant[0].vt = VT_BSTR;' V2 v% \9 _( z B# d0 Q
pokeVariant[0].bstrVal = valueStr;, t! a, o" k( l4 j3 a$ G. c
! e5 k# a& r: a+ _1 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 [3 B8 k$ H# _) T; Q, I2 \ VariantInit(&pokeVariant[1]); 1 s' w% m6 D. e# C: y( H$ v
pokeVariant[1].vt = VT_BSTR;
5 |0 g$ e: A) p6 o4 G+ w3 | pokeVariant[1].bstrVal = itemStr;) L) V7 p9 M# R c
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topicStr = SysAllocString((WCHAR *) L"system");7 z% O( F( V f+ U8 {
VariantInit(&pokeVariant[2]); 4 B c- _. ^/ I* M
pokeVariant[2].vt = VT_BSTR;
3 n! U9 Z& j0 B; @& ?" V$ S3 I, ?: H pokeVariant[2].bstrVal = topicStr;. @$ S9 i* \1 D0 j3 b
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// Set the DISPPARAMS structure that holds the variant.# J0 }6 j: o- S) m5 A; x/ L
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dp.rgvarg = pokeVariant;# k1 F0 P/ ^+ n+ F
dp.cArgs = 3;
K* ^0 }6 S$ J dp.rgdispidNamedArgs = NULL;
! w$ \1 @: E& f( t5 j7 D' x( X dp.cNamedArgs = 0;# Z' j G `/ q- L3 z# C! o, s' l, |
, w6 g0 J. z. }// Call IDispatch::Invoke()7 B" P W5 _5 L3 ~
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hr = m_pDisp->Invoke(
# e% z5 f6 K, V3 J pokeID,
P: c, W5 q3 j# E IID_NULL,
4 D- A5 ^7 z. b; I3 e. q LOCALE_SYSTEM_DEFAULT,
7 N4 W, G8 n) F$ ~1 o# Q* a2 u" u DISPATCH_METHOD,
9 S$ i! t# C U& g' {+ {1 g &dp,% {# o/ u# J, Z8 Q3 r3 B2 G
NULL,
4 a) E) `. U! s# B &ei,
) H" ^/ r; B9 E. b &uiErr);: j7 j1 H. p! r$ j) |
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SysFreeString(topicStr);
; O7 ?2 Z+ N3 q$ K7 I, z SysFreeString(itemStr);
7 T* i* a% x |/ w; l0 S SysFreeString(valueStr);0 m# I0 B# k3 Y& ]" g
# o3 @0 o1 v$ y q7 K. T/ x& M) 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???
/ ~5 ^) D7 c; E/ h5 Q1 s& s) j* {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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/ A+ X+ G( u7 U/ n$ Y1 R' E2.这是request的程序
: g' w1 d# K3 d+ a9 V// Request a value from Extend9 B; o: b$ e7 I8 P% H/ k: }7 K
//
) D* K; x0 n: Z& d( n% a// Initialize the variant that will hold the BSTR. Set the variant's; f! ~) M+ W5 r2 ^, k6 ?6 f4 M
// type flag to indicate the fact that this variant holds a BSTR. Place the
/ z' O6 m H% d+ Q// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% o' `8 q$ `: `& m8 H1 u' G8 E
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) {1 s+ k: X! V5 P: k VariantInit(&requestVariant[0]); ( C; D# S+ M: E1 g" k8 ~' f4 m
requestVariant[0].vt = VT_BSTR;9 z+ z8 a! y: l9 c
requestVariant[0].bstrVal = itemStr;! s7 {7 Y5 E( d; S* k' A- p
P' s: O0 }; K9 ^& v, h' n topicStr = SysAllocString((WCHAR *) L"system");5 P8 S& a9 A0 r; u
VariantInit(&requestVariant[1]); ) t; G" i, C% Q
requestVariant[1].vt = VT_BSTR;$ F3 y& ^5 i' E4 r8 z$ [
requestVariant[1].bstrVal = topicStr;& g+ V# A& C1 J4 G, j# @6 _
/ c, @' }7 d; _// Set the DISPPARAMS structure that holds the variant.
4 g" @/ t1 Z) F. Q% K5 [9 o2 Y+ w) ^8 s/ [; z+ \; m6 |
dp2.rgvarg = requestVariant;" ?" v, Y! O* a, O! ]
dp2.cArgs = 2;
6 T0 F6 M6 g* {9 r dp2.rgdispidNamedArgs = NULL;" k" B5 ~) `% K- A$ n+ x' s" b# z
dp2.cNamedArgs = 0;
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. j1 k/ K! i, ?( e var.vt = VT_EMPTY;/ p5 ]- ~% Z1 a' Y' N! }" Y
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
- e# p- `: i* a0 b- x" ^" h2 Y requestID,2 J$ K ]6 E, ~
IID_NULL,! O* c: p9 B% S! v5 Q
LOCALE_SYSTEM_DEFAULT,3 V6 O$ n! _+ z' J/ h$ O) r; A
DISPATCH_METHOD,
0 I( D* @, a1 T+ ?8 k &dp2,
! h$ D+ n. ?9 [, h &var,9 J% }* G% _ ~8 s" W* T
&ei,
0 R! m3 a% o3 I; p &uiErr);
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SysFreeString(topicStr);; x$ u$ D1 G9 b4 p; I% x
SysFreeString(itemStr);
5 _% n1 p& c' o2 m请问该程序是获得extend里面的哪个值?6 C/ e1 `- z. |+ x6 E9 W2 ^
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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