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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:2 y6 u1 d% A. O Z6 t
Name = (WCHAR *) L"Poke";
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N- o4 H' X- z3 ?' s* u8 J hr = m_pDisp->GetIDsOfNames (
+ {/ Z) S m/ u! ]" G0 j B IID_NULL, // reserved" w6 h, \5 V* _$ }+ K: L/ J* g
&Name, // Array of names to get IDs for; D% \/ }. t3 q6 H$ Q' f
1, // # of names in the array
2 _9 a7 M/ i5 h4 d LOCALE_SYSTEM_DEFAULT, // System locale' j& ~8 L0 r, @) t9 }7 U! q- c
&pokeID); // Array of IDs to fill on output! z: V* T' b2 l- U3 ?
6 X u/ q1 g* N' W. A if (hr)
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MessageBox ("Get Poke Unsuccessful");
* P1 W7 m9 }, ?2 G7 i% q( o return;
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5 R* n0 ~% ^! y" g/ ~/ l! V$ @/**************************传递数据给extend**************************************/8 w b- N; L5 U' X+ P0 K3 c9 R. @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, g3 _6 S# ?$ J8 W
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valueStr = SysAllocString((WCHAR *) L"1232");
* v- O# r6 L& d+ X0 T% a VariantInit(&pokeVariant[0]);
: V; @9 f; }1 x& y; ~( I, z ?* N) y2 E1 p pokeVariant[0].vt = VT_BSTR;
& Y5 o, q$ Z8 I, h* [ pokeVariant[0].bstrVal = valueStr;' q) b' n" e1 j& | X
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( }4 o4 s' f4 r VariantInit(&pokeVariant[1]);
; N& O) s# N; y, \, T1 y1 Z. K pokeVariant[1].vt = VT_BSTR;$ @, x& k5 t/ g. g
pokeVariant[1].bstrVal = itemStr;. J. A9 E5 H7 k& x% F+ `
. N% |1 i) t6 K- x9 M topicStr = SysAllocString((WCHAR *) L"system");! \( L V8 i T, G( c/ n2 O+ e b
VariantInit(&pokeVariant[2]); / v$ S5 L4 D! V0 A3 H1 `$ _( y
pokeVariant[2].vt = VT_BSTR;, I% R( U% n4 @) D6 {; e5 v
pokeVariant[2].bstrVal = topicStr;& n7 w* w9 d8 _- `1 O5 [! i1 d
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// Set the DISPPARAMS structure that holds the variant.
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6 G2 e1 D: R% s/ a0 ]( j) r dp.rgvarg = pokeVariant;
* |1 S+ L, `. S7 \+ c' x dp.cArgs = 3;
y! k! R/ j* Q5 x- g0 s dp.rgdispidNamedArgs = NULL;
5 H: Q% k! A2 d* Z2 a& r `" P dp.cNamedArgs = 0;
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// Call IDispatch::Invoke() ^0 P+ q2 U7 O
7 o0 O: R0 x/ X" ?* {+ k hr = m_pDisp->Invoke(" G; V- l/ ] K( N L4 v9 Z
pokeID,& f$ [& [- C( S* `( ~. w; V Y
IID_NULL,, f0 r* Y- B/ p' p
LOCALE_SYSTEM_DEFAULT,6 Y1 A( Q+ k5 q- D
DISPATCH_METHOD,) b, F& j; B7 W8 q& D; x2 a- {
&dp,2 E5 f2 ~( z& \/ |7 w ]! |
NULL,* ]) s" [0 K: J% ^3 m% n+ R
&ei,
( E0 {# [' n; z/ s, h &uiErr);; j1 L, A v% E$ u
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SysFreeString(topicStr);
- w4 {+ ~. X4 Y+ a! H SysFreeString(itemStr);5 H7 q2 S0 Q, ]: S
SysFreeString(valueStr);
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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???
4 }/ B# A; s4 e3 w2 [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
& Q/ s1 {$ s; y3 c- h// Request a value from Extend E# h5 z$ e ]5 m% o
//
" C) m% m! o- U1 @; L% w! E// Initialize the variant that will hold the BSTR. Set the variant's
, x. Z8 Z& A( a7 T) B// type flag to indicate the fact that this variant holds a BSTR. Place the
- J& L9 S- v5 I) N// BSTR into the variant structure.& U3 t! @+ n( E) m: e+ g( h9 v; ~7 V+ K
+ [3 G, R9 k [. K# `
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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' X$ e2 `+ l: ~. D* p9 P/ Q6 C" r& j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 A1 L$ p+ m* Q" H# R# {
VariantInit(&requestVariant[0]);
' v4 p: W7 d/ Q8 ~% @ requestVariant[0].vt = VT_BSTR;
- W) y, A# w2 V1 z. R# y! N requestVariant[0].bstrVal = itemStr; o; T7 f# F+ a" L
A r6 i! G# @$ F) Y topicStr = SysAllocString((WCHAR *) L"system");
. Y, E2 T+ ]* A j) x: M VariantInit(&requestVariant[1]); X, d3 ^7 f9 d. w, X
requestVariant[1].vt = VT_BSTR;. ~& a3 c( h( t* e
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.2 @8 u0 e2 N- ?8 r6 k
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dp2.rgvarg = requestVariant;
/ d0 m0 E$ e( V, A6 w$ D dp2.cArgs = 2;) X4 S5 V" e6 @. _
dp2.rgdispidNamedArgs = NULL;
% X, P5 ?- l$ K9 c0 x/ f dp2.cNamedArgs = 0;: K' B. s7 U; {2 M/ k% u: v
) q& c& p3 @9 b var.vt = VT_EMPTY;( n5 x9 O+ T0 S& g2 g
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// Call IDispatch::Invoke()
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2 ]- k# w3 T( k( l, I hr = m_pDisp->Invoke(
9 i/ ~) o/ d- v requestID,6 a9 y- N4 n" }/ g; G1 x& l5 d: y
IID_NULL,
$ U. ?9 I9 t' c' F% Y x: t LOCALE_SYSTEM_DEFAULT,) W5 ~: F* M: P0 ?
DISPATCH_METHOD,
; J) c! C6 m* y0 d3 Q &dp2,
$ D2 {, ~, ^3 L& o) I &var,
4 R5 W# u- g$ w' T2 W y &ei, A& K3 r/ P, @1 x
&uiErr);2 i% u4 S; z6 ^6 ~, O
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SysFreeString(topicStr);5 P: i) ^1 M# q& O# w. X
SysFreeString(itemStr);+ t) _1 w3 m2 W1 S) E8 E! }
请问该程序是获得extend里面的哪个值?8 y& N8 J1 {% M) |/ h; E9 e0 r
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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