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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:! r& P# J2 v7 Z- k+ f3 n* O |. y4 k+ h
Name = (WCHAR *) L"Poke";8 \" j8 v4 |7 x' ^: Z1 t/ v
7 B" |, E1 n! z; j1 v hr = m_pDisp->GetIDsOfNames (
% Y. ?$ M$ o! v* y IID_NULL, // reserved* \! ?: m! V) Z- Y$ }& O
&Name, // Array of names to get IDs for
! A4 x1 s: g! Z. W/ L( W/ Y 1, // # of names in the array* B% p2 _- `8 w! o6 Q. p+ J
LOCALE_SYSTEM_DEFAULT, // System locale
; ?7 K$ l7 e& ?( M &pokeID); // Array of IDs to fill on output8 d$ N' Z$ t3 F0 O$ H/ N
% R1 @0 J% {: [; I$ q, i
if (hr)
9 j1 z1 a# q2 W. M- r: w {
, x0 L, O; {; L, A$ e9 y& i. D! P MessageBox ("Get Poke Unsuccessful");
* J( w' @+ T6 e- x return;4 t, ~. [) u5 a j
}
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& u7 i+ X- e* X; [+ |) e4 c# P/**************************传递数据给extend**************************************/
' [8 i: W; U/ m2 Z$ R8 i: t pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 w, Y1 x2 t5 K" j3 H
. R2 Q3 f4 O" {$ l valueStr = SysAllocString((WCHAR *) L"1232");; _) Z9 B2 [' H. g% r
VariantInit(&pokeVariant[0]);
5 W* Z0 L: D P7 p1 B, H9 ? pokeVariant[0].vt = VT_BSTR;
5 V( r5 j( A2 }9 z: A% @ pokeVariant[0].bstrVal = valueStr;
7 T% q8 y2 D: a5 c: M/ m
' J5 A9 `+ L( b, O r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* Y/ x% y; j9 Y K
VariantInit(&pokeVariant[1]); . ?2 V5 g! v$ F& ~
pokeVariant[1].vt = VT_BSTR;9 v. w9 d' E3 n$ [
pokeVariant[1].bstrVal = itemStr;
9 T* w' X! z: Y: H4 T; W9 N4 ?
0 N1 Q& j. p. |( s$ w2 z9 G topicStr = SysAllocString((WCHAR *) L"system");
5 a! a' y- _2 R1 p9 K VariantInit(&pokeVariant[2]);
+ j9 V3 M; p$ E- \ pokeVariant[2].vt = VT_BSTR;3 y. } {* V/ R9 d
pokeVariant[2].bstrVal = topicStr;! c0 \0 p, M$ d
1 F2 G& r% @8 G
// Set the DISPPARAMS structure that holds the variant.
6 f4 f3 J8 c; y* i( q' z" `4 i# E% Z' W1 K7 p
dp.rgvarg = pokeVariant;
# O4 y2 Y# D D8 X1 Y) S0 G5 P dp.cArgs = 3; d" b9 L1 N5 A3 U6 ^
dp.rgdispidNamedArgs = NULL;
3 l% t3 N# I- g0 P; \$ T- f dp.cNamedArgs = 0;. B1 A+ A. S; w0 \1 e0 x# @
% [8 N. X/ z; |4 G! F5 o
// Call IDispatch::Invoke()
$ K5 q# c$ k8 r5 x% r N6 g, H9 T( g* Y! B5 D! t: z
hr = m_pDisp->Invoke(8 m( m) S8 h! V' k
pokeID,
3 P+ l7 g J8 y6 R, N. x IID_NULL,
0 w/ Q: _. J& n LOCALE_SYSTEM_DEFAULT,
4 r3 R" o( ], {) T5 g6 X1 V DISPATCH_METHOD,% z* n: W; v9 L+ \
&dp,
6 L" d3 P$ V) P# Y c7 D NULL,
0 T0 z: N U, R, e &ei,3 H2 t" f* I+ H5 j# B. i, j
&uiErr);
8 W( N9 {, B$ g7 X% G1 R+ d |. I, `+ |
SysFreeString(topicStr);8 T3 Q- T* g0 W& W
SysFreeString(itemStr);
; B/ ]3 ^+ g3 h4 [9 V SysFreeString(valueStr);
) v5 m `* ~" B4 @& g- @, r+ r& W. Z7 |, S0 V: l* G$ n" s
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???. ^, f- i$ S M( k* u% e
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????6 r- M) |" _0 \& H
2 D5 J3 j3 L" h& D3 u
l7 o8 ^2 A1 ~2 {. o) f2.这是request的程序' U, y7 v$ k: v# z4 I9 x
// Request a value from Extend% x) ]% f8 F6 p" c9 {0 z
//
2 b4 Q2 q& @1 b// Initialize the variant that will hold the BSTR. Set the variant's
" [* \% {. b& `8 `- {& K/ @0 ~: v// type flag to indicate the fact that this variant holds a BSTR. Place the
: g+ o- f9 C1 C" h+ {. T! A; c// BSTR into the variant structure.
, d! C& c, Z; p1 F0 b% h' A0 j9 H. y. o& e" D! `
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- }$ _, o% Y8 j9 X. \6 T2 v
, P, `: v& O. [, e, x
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ j' a8 [ X0 a; H5 p; l# Z8 V. M
VariantInit(&requestVariant[0]);
: o2 p5 d) U; q# } requestVariant[0].vt = VT_BSTR;
% E8 S+ e( y4 l- l2 u requestVariant[0].bstrVal = itemStr;
1 Q4 u; O0 Z+ R, z9 g: P4 j4 N5 Y0 N0 c7 T6 I( r1 C' P
topicStr = SysAllocString((WCHAR *) L"system");. {6 ]8 L; Q/ B3 Y
VariantInit(&requestVariant[1]); . D4 Y, V4 Z" f' C$ n1 S6 `8 W! o
requestVariant[1].vt = VT_BSTR;
1 u+ N: `3 d% N6 ]9 v1 L! S% u- y requestVariant[1].bstrVal = topicStr;
3 [" ]6 x6 |" g4 [% O! |
- y" B0 a8 w |2 y$ }) |) A// Set the DISPPARAMS structure that holds the variant.: K* J+ D, N5 Z% r
& f9 w9 t% B( S C# |
dp2.rgvarg = requestVariant;/ f1 j/ X8 s! E+ Z) l) L
dp2.cArgs = 2;) a3 j$ l6 }. ~* T) q2 @
dp2.rgdispidNamedArgs = NULL;
! @2 f9 ?* X+ |" [, t dp2.cNamedArgs = 0;
6 K6 [: c% U8 r g3 o; m, o% R7 Q
5 I3 X0 `6 [/ U! S6 A var.vt = VT_EMPTY;
$ Z1 k- w5 H- C, ~
# Y- t9 \ D& m2 D! C// Call IDispatch::Invoke()& D6 I S+ [$ B# f6 {) A
6 |- [3 `; M+ x) `4 L$ D hr = m_pDisp->Invoke(
5 d6 V# O" B1 [: M8 r# }: K requestID,
, u4 s4 T% p8 g3 q% ?2 U* G IID_NULL,8 `# y; _5 m) z- N# i' Y
LOCALE_SYSTEM_DEFAULT,$ @4 ?1 x, t& u4 v
DISPATCH_METHOD,
; `2 q9 r8 R( l! o0 \- { &dp2,- @( d O9 G. q) c0 {3 i# _5 D
&var,, W; g& v2 R1 M( V B
&ei,9 j5 V3 B; G- n' i7 P7 v
&uiErr);
8 L& Y/ } ]3 B% ~: v
4 \ ]9 X6 A- `2 }+ N, H# p SysFreeString(topicStr);
. J' M( I+ n3 E# S5 F8 u SysFreeString(itemStr);$ ^" C) B- N; A( j4 l# ?3 @
请问该程序是获得extend里面的哪个值?# @% r) `9 J0 w* T" J; R0 S
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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