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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:& u( S- u, V; t( B- l! O) X& x( Q# p
Name = (WCHAR *) L"Poke";1 i! o* A" }/ w) t1 n. n! Q
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hr = m_pDisp->GetIDsOfNames (8 e" \7 F' c5 r0 L0 T
IID_NULL, // reserved
. B% X: Z1 {3 D6 y &Name, // Array of names to get IDs for
: |9 z. d4 _; e 1, // # of names in the array2 G, [" u; I% U v$ j% J
LOCALE_SYSTEM_DEFAULT, // System locale1 q4 c% j c" f; P
&pokeID); // Array of IDs to fill on output0 Y" m7 E# `( g2 _: Q9 M1 I# I
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if (hr)$ C% y* P3 I4 L6 V' t: r5 Q
{
! l5 v" S- E8 A. j1 S MessageBox ("Get Poke Unsuccessful");
" K$ U% y6 N5 o2 y- [$ A return;
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/**************************传递数据给extend**************************************/0 ~5 U5 b( g* k: P& U
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 h+ @2 O1 B( x
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valueStr = SysAllocString((WCHAR *) L"1232");
- C+ w( x' L Z6 u" \ VariantInit(&pokeVariant[0]); ' u& k% t7 E. v+ x9 k; Z
pokeVariant[0].vt = VT_BSTR;) z% c9 c' \) k: o0 T. i4 d
pokeVariant[0].bstrVal = valueStr;5 s6 _" c- V$ u. |( V1 Q
0 S1 \( N' f; V% I/ t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ u9 u+ V/ G- G7 V VariantInit(&pokeVariant[1]);
2 R+ B$ u3 L* J, @/ c2 V: C: C pokeVariant[1].vt = VT_BSTR;! }- }: A1 n( C& O q
pokeVariant[1].bstrVal = itemStr;; A) x' G* o T. j
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topicStr = SysAllocString((WCHAR *) L"system");# p- I) w+ S! ]- Y0 R
VariantInit(&pokeVariant[2]);
7 L4 ^7 M8 z' t' H& I+ p pokeVariant[2].vt = VT_BSTR;9 [" D+ V9 ^4 [' P& A$ A
pokeVariant[2].bstrVal = topicStr;3 y$ d' T1 u2 D! i. i
. q5 D0 y1 H, f* u3 s# r// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
9 b. v& |% ^ @0 d0 W' Z dp.cArgs = 3; H2 t; O; f& z8 v
dp.rgdispidNamedArgs = NULL;
! o4 E4 b; j0 h5 _7 G dp.cNamedArgs = 0;) ^/ j( {7 l# B7 L1 m7 |3 {
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// Call IDispatch::Invoke()# S& t' K8 ?5 D
* C; I# i7 m: G; Z! W7 a" x hr = m_pDisp->Invoke(1 |2 `* g# y0 n' Y# u
pokeID,6 j* l. b' A+ m) b: E4 H1 [, W) g
IID_NULL,7 L5 V6 Z. U7 b/ S
LOCALE_SYSTEM_DEFAULT,
p. m3 X9 d4 i* N4 w( c DISPATCH_METHOD,/ Z4 B+ A1 w Q
&dp,
; F( @ ?4 H) ~ NULL,
' O+ J. l# ?1 ]8 q& m &ei,
9 {$ t' a+ @2 K o% U0 n8 l& V2 f &uiErr);+ v( j5 Z) h) _! J# K. L3 Q
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SysFreeString(topicStr);/ {* |" v2 H! b) {) u% w9 v+ j8 V
SysFreeString(itemStr);4 R! b6 w) S- N3 N
SysFreeString(valueStr);7 v$ s, e4 l1 T0 X# N/ z& M; h7 b9 {
, q# C7 o' F6 j5 J5 R" z& o, n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 d s* @7 b' k2 ^! 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
+ ]# r; v* ]3 ~6 M% [: |4 u% Y$ k// Request a value from Extend. y6 U" @3 Q2 c7 z |% I
//% y3 ~+ p5 @5 o& n) O9 {4 w
// Initialize the variant that will hold the BSTR. Set the variant's
, D0 j5 W' X2 a; j+ l// type flag to indicate the fact that this variant holds a BSTR. Place the& Z/ n1 D0 U8 W; Q. y7 }+ k9 l
// BSTR into the variant structure.
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( v5 L, {* {. { requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! c4 R9 a9 s' Q2 j2 ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) G6 s$ `2 F) I3 k0 W& q
VariantInit(&requestVariant[0]);
" j: e! {, j4 d/ w: `+ d( | requestVariant[0].vt = VT_BSTR;6 Y, c; ] s# x% P4 ~. \
requestVariant[0].bstrVal = itemStr;
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( M8 X( I$ L6 Q4 X: R" E topicStr = SysAllocString((WCHAR *) L"system");' ^) o: C$ N3 w* l5 G9 U: j J
VariantInit(&requestVariant[1]);
5 ^% B( p, O9 z) b* G- E requestVariant[1].vt = VT_BSTR;
* G3 a& e) }$ u7 T, | requestVariant[1].bstrVal = topicStr;
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, Y+ |+ V) V8 J# k# E! t6 J Z// Set the DISPPARAMS structure that holds the variant.
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# Q: p* G/ n6 t, B: @ dp2.rgvarg = requestVariant;, b- @8 p, P: p7 J
dp2.cArgs = 2;
8 r+ ?: k8 H, v3 f s" Q8 m dp2.rgdispidNamedArgs = NULL;
8 j. V; k3 W G9 S4 y dp2.cNamedArgs = 0;0 }3 `: w, K9 G
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var.vt = VT_EMPTY;
2 B1 H" {4 ^' g- F
5 q2 @9 F C- e// Call IDispatch::Invoke()
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# U7 M3 P# i# }0 r N* Y8 @! @ hr = m_pDisp->Invoke(
. M. s8 }2 b6 _+ \ C requestID,& ], Q1 h8 L) Z5 `+ T4 A
IID_NULL,4 P, W: n- M" N* Z& d: @( V
LOCALE_SYSTEM_DEFAULT,6 z( S! k5 @. J4 j
DISPATCH_METHOD,# r! L3 C. p# H7 E
&dp2,
) K5 }& f% i N2 m" P3 i0 G &var,
# L! P+ I3 I! g &ei,! v$ X7 p: K3 m* w5 Y# d
&uiErr);0 h! m: c5 O% o7 F9 O( d8 c- `
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SysFreeString(topicStr);
3 A- O6 I6 H7 ]. E. J SysFreeString(itemStr);+ A/ q5 b8 E7 Z
请问该程序是获得extend里面的哪个值?- f& `" i( L* a3 D/ I& q7 h+ x
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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