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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:
6 z' S/ B! K/ _2 U/ q0 OName = (WCHAR *) L"Poke";! y* F$ r& O ~
( {+ c o" K$ M) n9 p* G2 b
hr = m_pDisp->GetIDsOfNames (
$ ~5 |6 ^5 n, g0 ?$ h0 m/ _: y3 p$ `5 U IID_NULL, // reserved) ^; V! _' Y8 l% f& o4 {
&Name, // Array of names to get IDs for2 U/ j% R+ W5 E3 a6 i( a, x9 H
1, // # of names in the array
+ _& t0 S5 n: a, G( @ LOCALE_SYSTEM_DEFAULT, // System locale
% {/ v, u# H+ J) w, X$ M &pokeID); // Array of IDs to fill on output
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if (hr)" T) \; x9 I# {0 ?3 Q5 `$ I' m# Y! M
{
2 l. @$ P* h! @; X p1 i- D3 \ MessageBox ("Get Poke Unsuccessful");7 _- c4 L' x5 H1 _; K8 y
return;
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+ m" x- e4 P2 I* y8 J" j* Y$ U( j/**************************传递数据给extend**************************************/ r8 R- D2 S6 v% }
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 f8 q1 k; y) X/ ?% f
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valueStr = SysAllocString((WCHAR *) L"1232");4 X5 ]6 f% M, q& G4 n5 _& y
VariantInit(&pokeVariant[0]);
/ e. I9 y: C1 l' i. H1 N pokeVariant[0].vt = VT_BSTR;: _6 }2 s: d* z* H
pokeVariant[0].bstrVal = valueStr;1 X8 p2 f2 ^! f% D7 U) D( b
( F4 b; E& A) r- k4 c' H4 p- N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) M9 T' y! {& F+ F
VariantInit(&pokeVariant[1]);
2 `% T6 M# i" V5 ]* v pokeVariant[1].vt = VT_BSTR;
% v! w7 C: G& x1 ?7 E5 A pokeVariant[1].bstrVal = itemStr;2 k. @: ?5 g+ f. C O( g' o
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topicStr = SysAllocString((WCHAR *) L"system");
3 W$ s- y) c/ R VariantInit(&pokeVariant[2]); D0 ?' _/ l+ R# b4 z) W: h
pokeVariant[2].vt = VT_BSTR;
5 V2 a; V* x k* [# m pokeVariant[2].bstrVal = topicStr;( m" _" ^8 g) }9 g
% P% t! m: b' W6 F) _4 I9 J// Set the DISPPARAMS structure that holds the variant.9 S/ g2 l3 N. g0 ~" n: a2 T# T6 j
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dp.rgvarg = pokeVariant;/ c0 r( I( f0 |
dp.cArgs = 3;- J B+ i$ T1 f1 t+ a- ]& ~
dp.rgdispidNamedArgs = NULL;
- Q0 g5 B* F. V" H% @ dp.cNamedArgs = 0;7 C' F6 ^0 {/ k
; _: m3 Q+ F' j" R; t// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
$ `, t3 h- ?0 Z* c' i pokeID,
. p( {% @. A* A% T, \5 J IID_NULL,
7 v! ?' B4 O6 Z LOCALE_SYSTEM_DEFAULT,. b6 g; e' |, G) R3 F
DISPATCH_METHOD,
& E" H' ]4 y$ L- H% v, l &dp,5 Y, _9 Y5 L; k* y
NULL,
2 ?( q( v. r" s &ei,
4 C- B f. A& o8 m &uiErr);
8 M% a3 o) _ z( }3 @& g3 [% Q! I5 V, M2 c, e
SysFreeString(topicStr);
. V0 w3 d# v t! T/ P$ d SysFreeString(itemStr);
! p% ?9 t9 q+ x- S# R4 A SysFreeString(valueStr);; z3 E& d6 P& r; h) z
% o8 |9 X* {. p/ R% @1 |
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???
6 t/ c( E( I* m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????
0 ~% z+ Z$ Z: `( K- a, \5 m! s* \& ~& W( L# b2 T( K& [! @
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2.这是request的程序
! ~ c, Z; j+ k7 D0 z* S// Request a value from Extend. E) r0 @, t/ S/ D
//7 E8 x/ F$ x0 M1 Y, K& \4 |3 N
// Initialize the variant that will hold the BSTR. Set the variant's
" ~/ R+ V p8 m+ {6 _// type flag to indicate the fact that this variant holds a BSTR. Place the5 h ^( ?: w3 j3 v1 n- Y
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# v3 y/ ~9 k' z: h" e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& B1 {* I! j1 x; o VariantInit(&requestVariant[0]); ) p8 V' g" n4 Q: k2 b( B
requestVariant[0].vt = VT_BSTR;
2 T& g4 A& c; ~6 u requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 [7 [7 W- B& X: X VariantInit(&requestVariant[1]);
k; G6 `8 u- Z5 { requestVariant[1].vt = VT_BSTR;
; O* ~8 _. y' i requestVariant[1].bstrVal = topicStr;0 {# Z: l! F! c$ R E' u N
8 w3 H( g( i _* b// Set the DISPPARAMS structure that holds the variant.
4 ~% Q1 v# i9 u5 i o
0 a% n; i# w) b. k. ~( @% B dp2.rgvarg = requestVariant;: i, q8 v. L& M; P: c: f
dp2.cArgs = 2;7 ?9 v' p5 H8 k5 O" c9 T
dp2.rgdispidNamedArgs = NULL;9 v- X! G- y. J& ?- N
dp2.cNamedArgs = 0;: f0 v0 X p. x3 T# ?/ ^
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var.vt = VT_EMPTY;$ e6 B/ M% N% ^4 P$ T
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// Call IDispatch::Invoke()
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9 z( |$ T! K/ V6 Q+ W8 I; c1 t, U hr = m_pDisp->Invoke(
# Y6 q4 B4 C3 e requestID,3 C8 S) y3 w/ G; M+ s
IID_NULL,- z/ I9 q) \9 z, S
LOCALE_SYSTEM_DEFAULT,
. O, }/ h; |3 X: m' J: e- e g DISPATCH_METHOD,
/ h0 m6 |# o2 |' t- _# H4 J& o% q &dp2,# o: ~9 [) ]& H" w3 d1 g
&var,
% @3 m* ?5 d. h* o &ei," G8 D2 p2 D& f% y6 c
&uiErr);
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SysFreeString(topicStr);
3 v4 V: `: I, D& `9 s6 { SysFreeString(itemStr);
6 U4 ~3 A. E. S! v请问该程序是获得extend里面的哪个值?5 [9 Z @- x% Z8 r7 I3 }
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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