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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: b7 k8 {( r& I/ |& h3 Y O" o
Name = (WCHAR *) L"Poke";7 E" P( A$ }* H- k8 E! v
1 A' a3 n S5 C4 f: V' ? hr = m_pDisp->GetIDsOfNames (
5 \2 d4 F) ~1 T, u; K1 [ IID_NULL, // reserved
) _8 Y& \* c- {/ G &Name, // Array of names to get IDs for
! c- ?' y- y' g' u) x: j# o! T 1, // # of names in the array
$ \ z; Z& r1 p, {1 [+ J, J LOCALE_SYSTEM_DEFAULT, // System locale, @8 A, ]4 Z6 J' ?
&pokeID); // Array of IDs to fill on output
- ]* Q4 Y# g9 p
$ l; p* H7 B& N. s. V+ { if (hr)9 p' I* a. f; G; l! ]* T
{
) H4 q9 b9 H+ z6 ~$ x' S MessageBox ("Get Poke Unsuccessful");
) y" g( y, ^+ j4 \ return;
& g/ g! v# I* \7 k1 n: A( f; N }
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/**************************传递数据给extend**************************************/
+ Y" q3 H5 x, r" T( E Q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 E, { E/ S- \
9 z" q& B# h# Z" H2 z6 k, j) x2 @ valueStr = SysAllocString((WCHAR *) L"1232");4 z0 {; }" x: t* K
VariantInit(&pokeVariant[0]);
& d$ a5 ?. r( H, B pokeVariant[0].vt = VT_BSTR;9 @' d0 m1 D+ ]& k1 ]" X
pokeVariant[0].bstrVal = valueStr;! Q3 \4 J0 F* s: v$ M9 t2 e4 W
. ?# p* ^5 S, @; x0 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 m2 B; J: c5 ~0 ?) o- Z4 E: o0 h% N VariantInit(&pokeVariant[1]); & [4 k, L8 P( k: h
pokeVariant[1].vt = VT_BSTR;
# I2 _+ K$ X) [! w7 i pokeVariant[1].bstrVal = itemStr;: f7 G/ T5 r3 R4 }, F1 }
! C+ s4 v, D# L% @3 G7 P3 C
topicStr = SysAllocString((WCHAR *) L"system");$ ?/ J3 L1 u! M
VariantInit(&pokeVariant[2]); . E, x( r0 Z' G/ ^8 h
pokeVariant[2].vt = VT_BSTR;
4 F7 B3 e$ A! e' h! h4 D. A$ l- a pokeVariant[2].bstrVal = topicStr;9 T! T1 G6 A ]1 I- l3 K
* Y: h) y: w( w [. D: A
// Set the DISPPARAMS structure that holds the variant. ?0 X8 t* f: c
( `$ l$ ]# ~6 g: D7 B- d, _ dp.rgvarg = pokeVariant;
, w8 @2 k i, y+ K* H# ?9 A+ Q( B+ X dp.cArgs = 3;
2 @- n; S& U7 e5 [0 B dp.rgdispidNamedArgs = NULL;8 Y: z. n, I1 o4 W& E# T
dp.cNamedArgs = 0;
' a7 s8 @9 @% p& j9 }6 d9 W9 u1 @: e4 q8 J6 u2 u7 f3 H3 g
// Call IDispatch::Invoke()
( Y# p+ h: R/ G
( }; M/ s$ n- h2 m hr = m_pDisp->Invoke(6 D# p) `4 p x, n- t: n
pokeID,4 p0 @/ p3 v& {3 ~! H l
IID_NULL,
4 v2 I% Y* M9 K M* Y LOCALE_SYSTEM_DEFAULT,: B- J3 _; M; J- ^/ ]
DISPATCH_METHOD,
6 Z* _. c$ B# M: D &dp,% W8 P) @: [- Z
NULL,
2 [. G4 e; u4 s; V2 K6 m4 Y: b &ei,% c. e7 @' T- C: p- ]
&uiErr);
& l- b0 t+ N. }0 K0 c
& t- Z6 c2 e( [4 q SysFreeString(topicStr);
( C/ z. b, z0 X7 S* x SysFreeString(itemStr);. [, X4 }0 S0 T6 Y1 C& H
SysFreeString(valueStr);
9 Y+ X x5 z9 N% j% Y" B+ b
% [; _5 }1 J. e' n( o1 l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???
, j' Q$ ]3 E- V) X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????
( g! }; u% F2 F, B8 P& s0 |& Q$ ]" Z5 h4 ]
" `7 ^# x6 A4 O h# D$ N, L
2.这是request的程序
3 w. s6 E8 |3 Q* v8 E7 Q& ^. ^% T// Request a value from Extend, g1 J- J0 ~/ h1 q' ~' [2 V
//" L Q9 }) W, E+ H' V: ?. Z
// Initialize the variant that will hold the BSTR. Set the variant's
4 A @' G/ o) e$ l) z5 i! Y& E3 ?// type flag to indicate the fact that this variant holds a BSTR. Place the
3 c7 h( Q6 i$ u. u5 s6 ?9 Q// BSTR into the variant structure.# c) x: G% z( x9 {( ~3 L" [
' G& T/ L8 ]. q
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' g+ X' x# g( Y# }
- K1 L! z+ A7 E2 t9 \# V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* x& ~& O# y- z, X3 @4 X1 h% r
VariantInit(&requestVariant[0]); / `6 t$ t! L: e1 Q" C( g+ Y/ t
requestVariant[0].vt = VT_BSTR;( m, T( x# G+ j" t( |
requestVariant[0].bstrVal = itemStr;
# \& C4 ?$ \1 m- ]& V8 o4 K A3 @/ V6 X. K" G7 t
topicStr = SysAllocString((WCHAR *) L"system");
( x, T/ Q6 o3 L/ ^7 u/ N VariantInit(&requestVariant[1]);
p: p7 I9 w, W { requestVariant[1].vt = VT_BSTR;
8 g- G: }0 n" x! l' G requestVariant[1].bstrVal = topicStr;
; ^4 d/ A4 q# y8 Q( s
: E3 u+ s/ L& R0 E( i! ]0 w// Set the DISPPARAMS structure that holds the variant., A: B" f; w- u
( O: m4 s5 `0 w8 [
dp2.rgvarg = requestVariant;4 _7 @, c4 x" v$ z
dp2.cArgs = 2;* L$ j, l3 V( }5 }7 m5 h% |- U
dp2.rgdispidNamedArgs = NULL;
9 `4 _! n! _) G5 H% e5 Q; N dp2.cNamedArgs = 0;" n5 E& D7 `1 l3 g4 H
& }- [) S" r- k) V" X) E
var.vt = VT_EMPTY;! f( s& T: b7 Z# _2 C
5 X; C+ |. V. v// Call IDispatch::Invoke()$ }: Z5 F" b" B2 C0 B; E4 F4 w+ U
, U6 T$ S/ R; w: q( M3 C7 h hr = m_pDisp->Invoke(
# e8 u& b# W% Q requestID,
' W) l( S6 a- P* m( x IID_NULL,# j1 H" ?3 b! x. I- a" D
LOCALE_SYSTEM_DEFAULT,
$ F0 E2 }/ l4 q, }' z DISPATCH_METHOD,0 L, b8 b7 E# N$ k* y8 o4 B
&dp2, x5 }1 @3 T, e2 E8 e5 W
&var,
5 Q! @1 y. G7 E6 J &ei,$ b* F2 p; q% e- J" @! X
&uiErr);
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SysFreeString(topicStr);
$ f- A3 J# \- e+ ]* k* S0 E% i SysFreeString(itemStr);
) ]& C/ L% w6 z请问该程序是获得extend里面的哪个值?
7 n0 P5 {2 R7 z; j8 j2 Z% y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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