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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:+ |1 f: M% W7 x: O/ w
Name = (WCHAR *) L"Poke";
% Q2 \9 t+ p6 m _# O# K" g & h% w+ F/ C* N Z! t1 o
hr = m_pDisp->GetIDsOfNames (
* Q: g7 z: ~' U$ W IID_NULL, // reserved% Z p, y9 H. P$ p t ]
&Name, // Array of names to get IDs for- b% p) Z- }4 r- Y7 j
1, // # of names in the array8 L* V, _2 C6 ?2 Y9 L
LOCALE_SYSTEM_DEFAULT, // System locale
% i4 Y7 ~3 `# o+ h/ l0 ~4 ^7 I &pokeID); // Array of IDs to fill on output8 }6 ?4 Q( c2 |( t
" N, Z1 q% Y+ ~- H# [( c
if (hr). `( `7 }7 n2 x( J- V
{
5 F$ k; Z! d2 I' x MessageBox ("Get Poke Unsuccessful");( }2 v8 v: u! N6 u5 e9 b x4 f
return;) _) O! U3 R3 u7 j6 R/ ]5 \5 t
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/**************************传递数据给extend**************************************/
8 c- e5 J) c! p8 O. r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ q2 A- N4 e5 k1 F, R+ y
# l6 D, Y& \, I" T; D) e9 ^! P valueStr = SysAllocString((WCHAR *) L"1232");
7 G J/ r; E: _9 C: ? VariantInit(&pokeVariant[0]); ; @# Z# P' |/ R; ~" R
pokeVariant[0].vt = VT_BSTR;
% M% X$ Y' W' a* D; U+ c pokeVariant[0].bstrVal = valueStr;
/ y8 X- f6 [) s8 g7 U+ } j' {+ \$ U6 J" b5 v/ H; K( y# B$ M! R
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' X! }" _& f% A1 @4 s; V
VariantInit(&pokeVariant[1]);
t! N8 u$ o: W2 P7 {0 a pokeVariant[1].vt = VT_BSTR;( W* \/ K$ v( `3 ]
pokeVariant[1].bstrVal = itemStr;, E I* r8 K! R) r: s
8 n) b1 o$ _* b" v4 D! \
topicStr = SysAllocString((WCHAR *) L"system");
; x, v# e e7 H VariantInit(&pokeVariant[2]);
, @& n0 t. K6 K% \& ? pokeVariant[2].vt = VT_BSTR;
! {& t* o; }+ r, g7 m1 q* F0 ] V% B pokeVariant[2].bstrVal = topicStr;; A& W. M3 q$ C$ ^6 P; F3 S! F
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// Set the DISPPARAMS structure that holds the variant.
* z1 d3 V# D' w0 V
* s% i/ P( c( t, U: I. X dp.rgvarg = pokeVariant;9 `0 j* p) ^, C& W
dp.cArgs = 3;4 C1 r+ Y: s k% O
dp.rgdispidNamedArgs = NULL;
" c' O' P" N4 A0 _) e% X/ T( W dp.cNamedArgs = 0;5 b2 G# t1 H3 ?1 ?" }( k* Q
2 O7 l# D# y# q% {, o2 a// Call IDispatch::Invoke() h! K: F) I! f: R
+ I) M+ Z) \ G4 H hr = m_pDisp->Invoke(5 o2 O$ E, ~8 Y. z
pokeID,
3 J" c0 o) q, o4 ^0 f/ X0 x6 |' A IID_NULL,& L1 U6 Z0 m. |. ]* ]- }
LOCALE_SYSTEM_DEFAULT,2 v6 i) o' P3 N" F1 M
DISPATCH_METHOD,5 j8 Y' X! h' M" C, v
&dp,* a- W+ k3 z4 }7 c
NULL,
) H) l7 @, L" B- f) z# Z* o &ei,8 Z9 m5 [2 w8 M8 v
&uiErr);
3 h9 [1 z7 g" p" T' Y& n" g" K* ~
: I0 G/ n5 _1 N0 i7 X0 { SysFreeString(topicStr);
1 G. ~; i5 _2 f. c& l/ { k5 [ SysFreeString(itemStr);, F; g5 J" O9 s5 [2 y( N
SysFreeString(valueStr);; S2 d' |) I" V" T a5 J% {. B8 P
! s1 ]+ u$ G7 F0 o
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???
$ h+ d4 C* k9 P- M4 o3 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????
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2.这是request的程序0 |9 C) a- |" t9 `$ w4 H. f
// Request a value from Extend8 ^$ [9 }$ I- t, G. q+ U
//5 _4 ~4 |/ V& \$ o' m# K, }# N x
// Initialize the variant that will hold the BSTR. Set the variant's
7 n! U0 P8 d6 r* E9 F- M( o* M// type flag to indicate the fact that this variant holds a BSTR. Place the
J2 N& G/ s, m& k. \( x// BSTR into the variant structure.
& I/ f* z' D6 H. y; ?! z' G* _# S; A. {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 ]7 h$ b" x/ ?9 \+ Y3 |( V
k6 w8 n8 N/ H* f+ g/ u+ y$ B
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ V2 y e9 @; _/ q1 V3 r; d
VariantInit(&requestVariant[0]);
* l1 s" J7 T6 @2 r | requestVariant[0].vt = VT_BSTR;
3 B* O) d* n: e: M1 A/ k% x requestVariant[0].bstrVal = itemStr;
& o; O0 d7 X' s6 `- K, t6 _6 c3 Z8 \- n1 e( x8 s
topicStr = SysAllocString((WCHAR *) L"system");
, g2 `: D, i% x9 _ VariantInit(&requestVariant[1]);
5 S E. e( S6 n8 a4 o9 N& _! H. ] requestVariant[1].vt = VT_BSTR;8 `3 k/ M# I3 }
requestVariant[1].bstrVal = topicStr;" L3 Z8 y1 o4 ~. h3 J
4 }$ r ]( I; G6 k1 f
// Set the DISPPARAMS structure that holds the variant., D0 e2 Q/ \/ c7 m# ^; \+ B
: _# H3 i, p9 z! L
dp2.rgvarg = requestVariant;
) @- j5 A& O/ f4 @! L3 f# s# f dp2.cArgs = 2;+ X$ e0 P9 a# ^/ p! q+ e/ L8 g
dp2.rgdispidNamedArgs = NULL;
$ M4 r- P- Q- Y5 w4 ]! ? dp2.cNamedArgs = 0;
$ f: W0 {. [, C( \5 i2 U
/ @/ r1 \3 _7 y& N+ f4 S var.vt = VT_EMPTY;
Q( g# y) O+ n( ^) E
% d1 ~# h; L+ z// Call IDispatch::Invoke()
& K0 J1 F6 n+ a+ Z4 }+ m; s* q
7 `% Q9 A, ], r5 N5 u6 n% E: @* n2 m hr = m_pDisp->Invoke(
+ N2 N. n* J9 z* I8 B: A! { requestID,: t9 [$ J& K2 R/ ]% z h) \0 P
IID_NULL,! F6 P% c0 F: U
LOCALE_SYSTEM_DEFAULT,
* p9 W2 D4 T% ~3 s* H$ G DISPATCH_METHOD,( Z3 n$ i) L8 y# ^0 _/ Z7 r- h/ h
&dp2,) o7 q- y0 g6 u" a0 d, U
&var,% K8 x/ R& O% o, z$ \
&ei,% x& ]) J; a( d. C- _/ D
&uiErr);
& D! X6 w; X a; M* g* c- B8 i5 k, K+ a6 N
SysFreeString(topicStr);
' S3 n+ ^$ n7 L+ }" q* n/ k# h! k$ d* D SysFreeString(itemStr);# P t5 V2 k2 H p# C
请问该程序是获得extend里面的哪个值?- M) `' u7 z* Q. W3 l
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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