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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:
3 I5 r2 _/ {4 S( `/ cName = (WCHAR *) L"Poke";
8 N9 g5 @% z8 C" U) I / |8 f' S" A+ I/ g3 r8 }
hr = m_pDisp->GetIDsOfNames (
$ P/ |& W3 K8 F! E' r3 V! D IID_NULL, // reserved
! x$ A1 c9 L( k; n: K &Name, // Array of names to get IDs for8 ~. x$ ~ f0 p& D' y! k
1, // # of names in the array7 Z) N2 G3 h6 J6 F# o! o4 ?0 p2 M
LOCALE_SYSTEM_DEFAULT, // System locale
% e, X, Y& y) q0 r$ [. r+ O1 { &pokeID); // Array of IDs to fill on output
) N2 A/ e f, H% }8 m# p . h c3 x7 [( A8 ~, ]) t6 v2 p
if (hr)
! l5 _/ p* y# I6 n; z {
% q& Q3 g+ g: R$ |& b MessageBox ("Get Poke Unsuccessful");
5 V) }- A$ W- j return;* y( K$ z& k# T8 ?& f6 t
}( ?5 S8 W2 v9 |/ g$ {
: }7 T* H! w7 z5 G
/**************************传递数据给extend**************************************/
2 R" O' X+ ^' v6 N0 S- \/ } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
3 A) y1 k8 v$ V
8 u- O4 D! r8 O, G$ t valueStr = SysAllocString((WCHAR *) L"1232");
) R e* t4 O# W& C/ N f7 H8 t VariantInit(&pokeVariant[0]);
$ u5 x% P! i1 K pokeVariant[0].vt = VT_BSTR;
; u8 H0 T4 w% P: K3 e; q' n4 b pokeVariant[0].bstrVal = valueStr;
% T, J0 N) s# v7 r) e5 ~& K7 k7 o+ ?" y2 ~7 W- b8 t/ X& q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 x1 i6 r1 I7 w/ f* y; ] VariantInit(&pokeVariant[1]); 7 I) T5 h: A* T5 `! _
pokeVariant[1].vt = VT_BSTR;. O* b: i0 ~, Y6 ~$ N5 d
pokeVariant[1].bstrVal = itemStr;
}+ h) x7 p( E9 \5 U. v
1 V1 \; i3 v8 G( W topicStr = SysAllocString((WCHAR *) L"system");1 H4 Q+ \( @( {2 z! P8 {
VariantInit(&pokeVariant[2]); ( }# M0 Q# f) x" i! ~ z
pokeVariant[2].vt = VT_BSTR;
1 O5 [7 b' G& L; ` pokeVariant[2].bstrVal = topicStr;! F# B( V0 F; K6 C m
) \9 K. E9 @; |// Set the DISPPARAMS structure that holds the variant.
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& \# M& `9 E$ c0 ^) S dp.rgvarg = pokeVariant;
; D6 Z+ H9 X8 } dp.cArgs = 3;
5 F, `' t- e3 j) i, R; [' s' v dp.rgdispidNamedArgs = NULL;) v' [8 E. R& @/ P8 D, }& P
dp.cNamedArgs = 0;! S& b, p% v, Z: c& l" d S% }8 b
7 B- a5 C# W0 W S( a" M// Call IDispatch::Invoke()
- _, L7 t1 @, y0 G2 O, s7 S5 f
6 ^$ C" q. B7 I9 r) e! N4 \4 F hr = m_pDisp->Invoke(( S. i0 s1 P+ ~/ }0 W# L1 i
pokeID,
! c2 E' a, b# h IID_NULL,4 Y0 l5 b. E1 \! o
LOCALE_SYSTEM_DEFAULT,
/ Y/ A2 g% H7 V; C0 B DISPATCH_METHOD,* k8 m* b* S" d
&dp,
9 N9 Z& ?7 _" k+ J @: g NULL,
1 M |. H( Z1 I& p/ c &ei,- i" t$ [; ~* N# s
&uiErr);# b4 g+ B5 n9 @( [
* Q: u+ Y& Y9 p, }+ j- r SysFreeString(topicStr);( k& R/ j) v& @5 s" Q, Y, E
SysFreeString(itemStr);
# g/ O4 {; i6 e A! A SysFreeString(valueStr);+ d7 F/ R0 z3 k3 J" }: T
6 k0 @: ?# K0 i# ~( j
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???
! `; k5 q# S* J* [% x( a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" X# J$ ^- `( s2 P# k5 I8 w- ?* K: y& `/ r# C$ I
7 v* h# \$ V" S \
2.这是request的程序
7 F" f$ ^: A! E! R3 l a3 m$ T u// Request a value from Extend
; p; j5 [- k- z2 `+ d//; A! h( @5 F7 u g! C9 d
// Initialize the variant that will hold the BSTR. Set the variant's
/ G Q9 N4 Q3 Q) c9 Q7 ~4 H% b0 c// type flag to indicate the fact that this variant holds a BSTR. Place the
# j# C5 r( f" n$ ^% }// BSTR into the variant structure.
o9 i) k1 }9 e) U: S1 m! [" C+ C' W5 t- N& x
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) T2 l0 |- S& L0 g) u7 h+ p" ~
3 G# {3 }1 Z) ~, P( L
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 U A/ T5 y; Q3 k L5 I* V; m
VariantInit(&requestVariant[0]); 9 q( H2 |9 d A4 h0 I% c- @' M
requestVariant[0].vt = VT_BSTR;& q9 W/ m3 ^( ~
requestVariant[0].bstrVal = itemStr;+ s% }# n# X3 A
0 L- w) y& h' b
topicStr = SysAllocString((WCHAR *) L"system");
4 N0 p1 |. |+ ]6 F VariantInit(&requestVariant[1]);
! N3 g6 |0 t# w' h3 R requestVariant[1].vt = VT_BSTR;
' y( k( Z/ [8 M U requestVariant[1].bstrVal = topicStr;1 v3 I" x$ M7 q
, w# ]; M/ ~% M6 c
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
+ ?8 X3 h/ f7 k" c$ a dp2.cArgs = 2;1 ?$ q! Y! y& c: c, _' j+ t
dp2.rgdispidNamedArgs = NULL;
0 o+ q0 |9 H6 S. U& w: @ E dp2.cNamedArgs = 0;
/ S" d- k: A2 f; W% W% ]5 }, [, m" P
var.vt = VT_EMPTY;. Z- Z. p/ c& P) A
/ y7 C9 ^2 g4 `* v3 r- }3 w4 g$ ~
// Call IDispatch::Invoke()& j& E* |$ G# p) T
1 r3 \' K4 [8 ?- W# a hr = m_pDisp->Invoke(
; M, \/ i. Y I0 G7 a requestID,. ^6 p9 Q- Y) ^" n* q8 u8 j- O& H
IID_NULL,
( c) l4 S* u1 E& r LOCALE_SYSTEM_DEFAULT,! J* o( E) Q8 s8 E# ~ L
DISPATCH_METHOD,# L/ ]0 _+ F2 w& N5 a3 d
&dp2,
2 g5 U* r3 S8 k; J6 _ &var,' W7 k, f$ J' o, K7 C( R0 K
&ei,, `9 t( N0 ^) _. |
&uiErr);
% {. G* z6 O7 d9 ^
: ^, J' ~6 @+ U9 ^# } SysFreeString(topicStr);1 a: W5 ^- X4 \% U$ c, l
SysFreeString(itemStr);
3 d l. z' @; x' t4 j' r/ w请问该程序是获得extend里面的哪个值?8 G( ?& L, T# I. M. i( b1 E4 d
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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