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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:
$ R9 C1 h u" o5 LName = (WCHAR *) L"Poke";
8 p. A2 x- }+ F8 W' j1 I6 R- J [; T2 i3 m$ v- h
hr = m_pDisp->GetIDsOfNames (
& M1 k0 P: ?* X& M IID_NULL, // reserved+ P& R9 o- J1 F; R' v( C
&Name, // Array of names to get IDs for
) o* _! M# K+ k r1 U 1, // # of names in the array: r0 f# H, {0 o6 }3 G* Y
LOCALE_SYSTEM_DEFAULT, // System locale
6 J' t" r" f. n+ }9 n) ~6 e &pokeID); // Array of IDs to fill on output+ I! U6 y |4 ^% \0 \0 g+ J
! O9 t }! b3 x if (hr)1 ?( [# @' y, P* k6 X$ t1 f' {+ b
{
@, C3 K+ L* y' r$ ] MessageBox ("Get Poke Unsuccessful");
1 y# \8 i9 x7 i2 L: e2 A5 X/ Y return;
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/**************************传递数据给extend**************************************/( h6 e2 F' Q& n8 m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 B2 x* T! y0 y V$ ^5 t# t
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valueStr = SysAllocString((WCHAR *) L"1232");; h9 q6 q3 i' g+ p
VariantInit(&pokeVariant[0]); $ N. I% H. h/ `2 S2 g
pokeVariant[0].vt = VT_BSTR;
! P% ?3 f# f7 l5 q pokeVariant[0].bstrVal = valueStr;5 q% R+ O0 y/ p8 z' N# y
" h3 p$ l1 P9 n! I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 @7 u8 M2 n) n0 D8 Y: Q; R
VariantInit(&pokeVariant[1]); 3 M& I$ h" j1 P* p
pokeVariant[1].vt = VT_BSTR;% V" X9 O {. b" E3 ?" `* B$ N
pokeVariant[1].bstrVal = itemStr;) h" q% j1 ~5 B0 z% P
5 {1 u$ V, ~5 z
topicStr = SysAllocString((WCHAR *) L"system");
/ v/ W: f+ U$ r- l x0 c* c VariantInit(&pokeVariant[2]); : S3 ^0 T: L: _7 K; I
pokeVariant[2].vt = VT_BSTR;
! m# ]& t( E6 E4 P( p pokeVariant[2].bstrVal = topicStr;) W: K( R3 |3 d
6 c, c, d; N$ j! `1 c0 U// Set the DISPPARAMS structure that holds the variant.+ d, x5 u1 b% w: x8 m% M
/ ^8 K' j. S- k! l8 B1 G) Y6 U) l
dp.rgvarg = pokeVariant;+ I3 a/ U) R) ]3 l) D! L
dp.cArgs = 3;; a7 ~$ }0 i: \& y$ o! \1 N$ y
dp.rgdispidNamedArgs = NULL;( U5 {( n; I$ r: j! F0 \
dp.cNamedArgs = 0;
" j" A; w0 z$ K( @9 h% J4 ^# ]' M4 r1 `( {" Y; Z# b' J7 ?, o. u
// Call IDispatch::Invoke()" C) E, L# c& C2 Q
2 }* E4 ^0 k* H- n+ x hr = m_pDisp->Invoke(
?' V! u c* Z2 _* f pokeID,
2 l7 \: d+ e. S8 i* u( ~6 t IID_NULL,7 `- T0 J8 y9 B
LOCALE_SYSTEM_DEFAULT,
4 S" [- o* \- }5 h3 r8 D DISPATCH_METHOD,; o7 S" n! q& I) h9 a
&dp,
( R5 ^: g. m K6 f7 w8 U0 P NULL,
# y8 c/ u8 K6 r2 X2 Y &ei,: q0 Z, M4 ]3 _; `1 s- h2 O
&uiErr);5 k! {* }* @! p& J' d, ?
' v' P z: S0 a( u4 H. }& B4 p
SysFreeString(topicStr);
* {7 a& I5 i+ G* E& [* k: ^ SysFreeString(itemStr);$ w: w1 e, d+ j5 G
SysFreeString(valueStr);: G$ t3 o5 G$ M* P7 ?1 I2 G
: Y) ~/ ], N/ U5 Y2 p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: L; ]! X, O* V# x6 t. _# L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
7 Q' n. m# k% h9 r// Request a value from Extend
/ t, a1 |* T$ ?2 m: T& R: |//9 U# j( d, r( d
// Initialize the variant that will hold the BSTR. Set the variant's% q. |! t4 _; X, f8 @
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 r' }6 L/ [* V7 D: f// BSTR into the variant structure.
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; ~+ g! [( q% ~3 z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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0 W1 a7 v1 J7 J# | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 c! \8 ~/ T5 @5 S- g2 [; C# e
VariantInit(&requestVariant[0]); ' k7 l2 ]. y. c
requestVariant[0].vt = VT_BSTR;
3 c! F% j! R }/ M# F: \$ v requestVariant[0].bstrVal = itemStr;
% @4 G3 C4 ~5 O) c8 U4 D3 R# v5 a" b' O8 o
topicStr = SysAllocString((WCHAR *) L"system");7 }9 }: x+ \6 j4 [0 k
VariantInit(&requestVariant[1]);
* I( k1 g+ P0 x6 F0 @6 Y requestVariant[1].vt = VT_BSTR;
- }* S6 w+ n/ G/ y4 C requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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D a; \, d$ V' r dp2.rgvarg = requestVariant;
7 K* y( @9 F$ |) _# D dp2.cArgs = 2;$ l6 _, s, \- \. n& ~
dp2.rgdispidNamedArgs = NULL;
6 Y$ _; Y! b/ q8 X9 ^ dp2.cNamedArgs = 0;: t" I5 `4 R: r: G
6 J+ _. `: J# ` \( |# z4 j var.vt = VT_EMPTY;
u" x1 U# _% D" o6 Q
+ I1 t7 T5 L ^) Y0 H. k3 B// Call IDispatch::Invoke()5 k9 H0 v4 e+ A8 q: Y7 e. g
) [2 d& w/ M$ d9 N9 X hr = m_pDisp->Invoke(
4 P; O6 W' `" s. V2 w requestID,
4 g$ M9 p6 K, L" Z$ I1 l IID_NULL,
6 R8 H" k$ v) x, ` LOCALE_SYSTEM_DEFAULT,
. \# B2 M% o2 U1 a# b9 o DISPATCH_METHOD,
" x" i5 F5 e/ z3 I0 ^1 ?: x &dp2,
7 A- |) o' e# b. e1 ~, I" E9 ~$ I &var,' d" P2 T( }! N
&ei," K9 w- ?* @' r9 G! s
&uiErr);
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SysFreeString(topicStr);6 F' u( y: y, ]! m* H
SysFreeString(itemStr);7 f# o5 v0 k; e, J/ z
请问该程序是获得extend里面的哪个值?. l; |, M3 R+ i5 s4 a
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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