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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:
, W; n; T0 Z. F( ]Name = (WCHAR *) L"Poke";7 D8 K* H; A& g5 z0 x1 x
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hr = m_pDisp->GetIDsOfNames (
1 n# K" e3 U( r7 w( A IID_NULL, // reserved; J) s( O+ `: z
&Name, // Array of names to get IDs for3 T% X1 X) b- V" N1 S
1, // # of names in the array
- |" {9 i! y" z+ H3 o LOCALE_SYSTEM_DEFAULT, // System locale' ~. z- Q; v" ]. l0 p
&pokeID); // Array of IDs to fill on output
1 J' \0 X. Q4 P2 R, |/ D + Q4 T# E' d( I! z
if (hr)0 E7 {* J! {: c5 ~) k5 t( F
{) J: `. n; p! ?, y
MessageBox ("Get Poke Unsuccessful");
6 O `# N$ l+ r return;, t/ I/ ]9 d3 u7 n. d3 P) p
}( G* M! e) i0 c
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/**************************传递数据给extend**************************************/3 ]5 Q* A @) G* x
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ s' `4 [3 k% t" u. X* d
) B) m9 o0 [+ \, B! F3 ]" ] valueStr = SysAllocString((WCHAR *) L"1232");
5 ? [+ Q; I, i/ }' \. \ VariantInit(&pokeVariant[0]); 1 X; h5 p& Q1 N5 G4 V8 A
pokeVariant[0].vt = VT_BSTR;
; L: F x. N+ Z4 _ pokeVariant[0].bstrVal = valueStr;
; \: D8 X# I" y; j+ t+ R
3 ~1 h1 b+ c- c! f2 I5 U# Y9 r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 F- C* a; r! J) y& s' s+ h
VariantInit(&pokeVariant[1]); - I9 n4 t3 A+ Y/ {
pokeVariant[1].vt = VT_BSTR;
! P: c) h3 j' b( c6 Z5 |/ l7 N pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
$ W; H, z/ H3 a0 J1 g VariantInit(&pokeVariant[2]);
. q, M9 A8 W) [& x( |9 ] pokeVariant[2].vt = VT_BSTR;% b- {# E2 `1 m; l' X/ R! ]) N
pokeVariant[2].bstrVal = topicStr;& e' B1 X& \0 R8 w8 X; h
0 P* {" i" _- R( d# L// Set the DISPPARAMS structure that holds the variant.' O; b' v; W9 J7 P$ [$ T
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dp.rgvarg = pokeVariant;
6 T2 v4 v. v3 K3 w) ?$ b dp.cArgs = 3;0 z+ n W; v/ ^
dp.rgdispidNamedArgs = NULL;
) D; j$ R- D' W' a dp.cNamedArgs = 0; P7 L) X5 N' q }% b0 K, g8 i
0 @. W$ i5 [ A2 c# ]
// Call IDispatch::Invoke()5 ?% r! x9 [2 ?
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hr = m_pDisp->Invoke(
& _ J& d" q" m& h3 a# ~0 q- b' P2 v F- j pokeID,# E9 U' X& y& ]( d7 y9 u4 J9 q& l; F" P$ v
IID_NULL,2 q$ a: k% u0 J
LOCALE_SYSTEM_DEFAULT,- N6 ]' W) L: Z
DISPATCH_METHOD,/ Q1 @+ q$ B- q' G! T- a" |" @7 C
&dp,7 Z& P# l* h- R `, H. o
NULL,4 k1 K# k; v$ k9 @% ^; s
&ei,) T5 @6 @, C: s/ e
&uiErr);# s6 U" C$ E) p1 |' `+ V& T3 f, P
4 ~; x+ {* l. S' j: |) e( |4 l
SysFreeString(topicStr);
3 [( V2 a3 J/ e: |% m5 E SysFreeString(itemStr);! s5 }! N; g; e: T0 ~
SysFreeString(valueStr);
$ ~2 [! v4 }9 M+ B" K I) |7 e- G5 X% M( z
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???# H4 q( }: ]9 c8 V# g( F
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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; c1 V1 V5 \) p2.这是request的程序- \+ X2 E" B% X% A1 c
// Request a value from Extend
, i1 ^) m# Q' l* c//
7 }* V. r' u+ }9 a& r# t// Initialize the variant that will hold the BSTR. Set the variant's
/ k, ^" J! F5 N" y( u// type flag to indicate the fact that this variant holds a BSTR. Place the
+ E3 o1 N7 L+ W ~: Q// BSTR into the variant structure.0 P, f1 @7 K- w# c; e/ |- E9 i
1 k5 h; }2 F; }. R) N1 {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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' F: A0 w) F2 K% d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: G C. R' }# a VariantInit(&requestVariant[0]); ! ?0 K1 k1 f/ T, s! ~
requestVariant[0].vt = VT_BSTR;
5 x, ^( R! r8 y) r requestVariant[0].bstrVal = itemStr;' B$ a; q! H: s6 X" t/ i R. i
8 p, n3 y* D# G5 A9 L0 r, R0 I N( y: @ topicStr = SysAllocString((WCHAR *) L"system");
; }# R# P' R( ~# J VariantInit(&requestVariant[1]);
( f3 Y4 [. {( A0 U9 R+ t requestVariant[1].vt = VT_BSTR;( h0 T+ u4 h V5 ]" B2 e, n
requestVariant[1].bstrVal = topicStr;
( U7 Y! v( C* D7 r/ s1 |
7 E- V2 v; h. E9 T) ]// Set the DISPPARAMS structure that holds the variant., x& C! C: f" W/ l r) H- \
4 M2 b5 L+ ^7 K9 B2 i dp2.rgvarg = requestVariant;" }' C. [. ~: ~" [" ^; d
dp2.cArgs = 2;
0 k( E* n, r/ e- k3 Z dp2.rgdispidNamedArgs = NULL;
1 z9 h% I: f k dp2.cNamedArgs = 0;
5 ]2 b: i5 ?3 {8 q5 N3 a( D+ U: p8 Y: \5 y4 i: Y8 M3 j* x- O
var.vt = VT_EMPTY;/ Q# }1 M7 M1 n6 C- I' g, J
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// Call IDispatch::Invoke()
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7 a; E6 I/ Q c7 d$ S hr = m_pDisp->Invoke(8 c- Q4 }0 g/ ?8 ^/ r
requestID,: l9 Y1 J: A) j+ U2 p& j
IID_NULL,3 j% k# W/ i* p; M
LOCALE_SYSTEM_DEFAULT,
: y, O! `; P/ m DISPATCH_METHOD,
3 ^) y9 P5 b, g. a9 N m3 s( S &dp2,) j! J% F( Z0 v1 k+ x
&var,
, G" d1 S7 K* l3 c+ W/ g &ei,
6 H6 H* a7 b% o! R9 p) o* y &uiErr);
y( y B; l$ D- s" a9 o$ X# r& f) ~8 @4 ]. ?& x
SysFreeString(topicStr);
$ ~" Q$ z/ x* J4 [+ f SysFreeString(itemStr);
6 N% e5 O T; C8 l) J请问该程序是获得extend里面的哪个值?
+ k. o2 J/ i. e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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