|
|
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:: V) n4 o4 @: ~+ y
Name = (WCHAR *) L"Poke";/ n4 m" a0 a! }3 I) p& t
, H) W5 q( d& t# H hr = m_pDisp->GetIDsOfNames (6 I' |* N' d7 [/ o/ x7 I
IID_NULL, // reserved
9 C0 p S/ \9 R5 h3 O' ] &Name, // Array of names to get IDs for- B3 i* D, e/ a
1, // # of names in the array/ S8 U! o/ y' b% h2 b7 \8 r
LOCALE_SYSTEM_DEFAULT, // System locale
, a7 B* k* ~2 R5 @0 [7 @, { &pokeID); // Array of IDs to fill on output
( B% d# ^6 X+ U; B' N d " @$ g" n' U% T9 Q0 L
if (hr)! d! v/ c3 B7 l8 o1 {
{# O( }" f9 i% H' s
MessageBox ("Get Poke Unsuccessful");
* ]7 s; R5 A) U return;% P2 v, X+ e: v; I8 A, t# E; Y( }1 [- ]
}; \4 g0 t, h0 R" B8 r Z* I9 P
2 U. B: a6 ~$ Y' h* L- R/**************************传递数据给extend**************************************/
% ]" B6 f$ X+ p# {/ ^# ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 [% h) |/ m" N2 y4 N1 B1 z( @; o ! H! i* d9 a p. p7 r+ ]
valueStr = SysAllocString((WCHAR *) L"1232");5 S; p# B( F9 [
VariantInit(&pokeVariant[0]); ' T( Z0 a( n% b1 g3 O. H: S
pokeVariant[0].vt = VT_BSTR;
1 {0 p, U' M0 I3 n. c# W pokeVariant[0].bstrVal = valueStr;
) k0 a" O4 `: P1 q7 l" q: s; {0 b N6 l2 x a/ c0 b3 }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: ?( c1 v0 u P9 }2 |0 W VariantInit(&pokeVariant[1]);
4 Y( n* H( M5 a- l; H8 \ pokeVariant[1].vt = VT_BSTR;
8 M r+ z! @4 V! \: L+ t4 n. ? pokeVariant[1].bstrVal = itemStr;$ h |" G# \1 }$ H* B
! _/ Z+ |9 ^) |' l' t/ V) l topicStr = SysAllocString((WCHAR *) L"system");
( x* q6 {1 o* `4 {+ }% f* d; @ VariantInit(&pokeVariant[2]);
9 K2 Q2 t0 g6 N- U pokeVariant[2].vt = VT_BSTR;8 W+ c4 H4 {8 S+ I+ t5 m
pokeVariant[2].bstrVal = topicStr;
' u ^ W/ {3 Y+ w) z& E( Z0 t4 e* X: J# P1 g
// Set the DISPPARAMS structure that holds the variant.- q7 C$ i6 ?$ ?# m5 d: {9 \* T
R) J. F! u ~+ G2 R- I2 e2 V* H/ n dp.rgvarg = pokeVariant;' M& j6 F3 M( p
dp.cArgs = 3;
8 P5 ?2 j! t% O& ^2 u4 W0 B dp.rgdispidNamedArgs = NULL;
) C, z5 G: Z# J9 G6 T; E dp.cNamedArgs = 0;8 S# }. C5 [) \$ B1 _
2 x+ R$ {; L* t8 }( i5 i// Call IDispatch::Invoke()8 R% N: U* R1 i D5 b, r
0 _% ?: k# A9 C8 U# j
hr = m_pDisp->Invoke(
! X5 ~- W# C A) u# _ pokeID,0 D( O2 H( Z! w
IID_NULL," _/ x$ {$ ^ S5 r' d
LOCALE_SYSTEM_DEFAULT,
) g2 ~& c4 G" a7 y+ O o8 t: m8 | DISPATCH_METHOD,. W/ g. ], p, @7 E8 A
&dp,6 ~% ^0 j. ?0 b% @# r# M3 Y' z5 y
NULL,( n" n8 R; a- S, z4 U
&ei,. {% u* L# d' U; z1 j3 G
&uiErr);
2 D& O7 A4 X/ o- |2 v( b
3 o" X( s$ K# c! ^! l' I# O SysFreeString(topicStr);' T9 ~) _1 f8 q+ b y( |
SysFreeString(itemStr);, L Q3 [! r. W5 M6 U5 {' E
SysFreeString(valueStr);# m" Z/ x, t% N) O% c2 O
9 ?2 K# U1 {, u
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???" S6 q3 C' S2 ~& s0 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 q" h& g6 \* S' G1 B
% T2 D1 T! m- T0 W' ]- k( F9 E
) ?4 {% J: i0 Z) ? A1 z2.这是request的程序
9 u4 G( b) f2 {; O; G// Request a value from Extend& u: E" i) q6 R# A& n7 P O
//( \' ^( F6 d! w- {( _% ^
// Initialize the variant that will hold the BSTR. Set the variant's
3 r) E* O9 ?. K// type flag to indicate the fact that this variant holds a BSTR. Place the
) @: L5 v) ? W9 ^* B! z5 Z( C2 Q// BSTR into the variant structure.. B B3 z& y; _2 T1 t1 O8 o- N
. A# z) x3 q0 \4 b
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
) y1 K; A1 D( {" e% T- h " |; L; o; y2 E" ^8 S; v$ d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' E- M, p) D1 _" T8 A
VariantInit(&requestVariant[0]); 9 r' a! @; Q! b* Y! C
requestVariant[0].vt = VT_BSTR;
5 b6 n1 R' a$ a* U8 H e requestVariant[0].bstrVal = itemStr;
/ k- F$ Q3 {' r' w% K! W0 Y, ~3 l0 Z8 G
1 X0 Q: P$ M$ Q7 i6 } topicStr = SysAllocString((WCHAR *) L"system");
3 L. N& x3 q6 h! v! T VariantInit(&requestVariant[1]);
% S9 p9 _( Z2 T( r requestVariant[1].vt = VT_BSTR;
1 j b; q. v/ W" P1 ?% { requestVariant[1].bstrVal = topicStr;
+ E" ? M, y, b- z2 y5 m2 a
) u& m- B2 l6 S9 i// Set the DISPPARAMS structure that holds the variant.1 v7 l: z/ U* m8 J2 \8 ^
6 c7 f2 p* f' M, J dp2.rgvarg = requestVariant;# M: @- s2 [$ f8 X) i
dp2.cArgs = 2;
/ b4 N- r- l2 D/ K* Z6 ^" Z! r dp2.rgdispidNamedArgs = NULL;0 S, N3 {1 k9 y3 |! A
dp2.cNamedArgs = 0;4 [8 u9 H! e( t1 C/ B( B6 g7 X# `
7 U# O* [9 g+ T& Y9 L: n
var.vt = VT_EMPTY;
0 L( A# }: i. n1 o: n$ ?7 O3 m3 f3 L( F! Q5 [5 U& }; r
// Call IDispatch::Invoke()* j+ V$ a' Y$ y3 m+ @/ G% w) G: ^
0 J- D% L! i2 m
hr = m_pDisp->Invoke(+ o( R8 V3 T) r. }8 d
requestID,& X0 `+ W9 i; E6 v* o, M: W0 V
IID_NULL,: T3 R8 }- O7 h& s& n) {! J- }
LOCALE_SYSTEM_DEFAULT,
7 h/ F6 y* ^. l! u/ M' v5 K DISPATCH_METHOD,
& m( S* a. s7 y4 ^% T: ?9 e/ W &dp2,- S Y; v8 f2 g. y( L$ X( j3 q; @
&var,
7 K4 S+ d5 i' G$ W; a0 u5 H: [ &ei,
! }' R' j4 E4 E5 N. e* n- Z4 s &uiErr);
5 [+ X2 f. H& A( P a2 O2 S m( g, a9 b' [( b
SysFreeString(topicStr);
! g8 Z9 D! L+ P* j SysFreeString(itemStr);
$ L/ a) C& f- Q9 C请问该程序是获得extend里面的哪个值?* f/ v$ l! d! 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???? |
|