|
|
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:
4 ^8 K& g# `9 ^' l/ n# D5 ]9 g& iName = (WCHAR *) L"Poke";9 u" s, s, z. e y1 v- I0 A: f. B
; P# j. ^! d$ Z1 ?6 C' E
hr = m_pDisp->GetIDsOfNames (! E5 F& Y, i. ]+ \
IID_NULL, // reserved2 T* O" V: p$ c' \7 \
&Name, // Array of names to get IDs for
$ d8 p3 F2 E. Q6 @, l: h, g8 ^4 g 1, // # of names in the array
) \3 V$ b' `: O# c& r LOCALE_SYSTEM_DEFAULT, // System locale
+ d& w. F v& Y6 I, e &pokeID); // Array of IDs to fill on output- P/ K+ a$ _8 e: q
7 Z( Z4 Z3 k9 n7 t
if (hr)/ l5 H. O3 t H* ]& w
{6 o1 D8 _& t' h+ ^- Q# e/ A- N
MessageBox ("Get Poke Unsuccessful");; U/ p$ ~1 Q( i& W3 s7 M$ w& J
return;
/ |/ R# q: z. n8 h+ G% K4 z }, d# d6 ?0 ~/ x7 R2 ^. ]8 ?3 W
1 \4 I: e- U$ I1 O( w8 t: N
/**************************传递数据给extend**************************************/( S; L) X3 ?, X U( b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
9 b6 K, a7 @& g% l* R& M! }( M8 c
0 E/ O5 S4 y5 _/ m! O6 M+ P8 h; X valueStr = SysAllocString((WCHAR *) L"1232");
# P$ {& g) ]. S0 b3 d VariantInit(&pokeVariant[0]);
8 V; I# C* n9 r2 m pokeVariant[0].vt = VT_BSTR;- p4 k' J g4 G$ B; H9 K
pokeVariant[0].bstrVal = valueStr;
5 c0 s W9 |( u$ j& J. _; |9 ~2 L$ C1 v% i$ D2 _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 |* g9 K, b+ q$ z% y
VariantInit(&pokeVariant[1]); 9 v# M" z3 g4 b& x
pokeVariant[1].vt = VT_BSTR;
& {5 i, H0 s$ A" c" e1 A O: e pokeVariant[1].bstrVal = itemStr;
; ?: X4 {0 w' L/ F _0 K+ T
% P1 _ U$ O; @9 T! a3 M3 c: y5 ? topicStr = SysAllocString((WCHAR *) L"system");1 |3 e, {; |* H9 N0 q- I3 ~
VariantInit(&pokeVariant[2]);
o$ Q$ i% H$ g/ M; W pokeVariant[2].vt = VT_BSTR;
6 @% R) l! @ F5 F" t4 m4 G. F4 v pokeVariant[2].bstrVal = topicStr;
1 b+ d& ^2 |1 R: t$ {5 Y0 y: _- |* @6 k; \, K; U9 _$ p# i, P1 \
// Set the DISPPARAMS structure that holds the variant.* t& ~7 o; }8 s7 m
! h$ F7 @! ?8 {- e dp.rgvarg = pokeVariant;' y6 S6 L. V4 S: X9 i; G* x
dp.cArgs = 3;
' L5 t- [/ i L2 g7 T" } dp.rgdispidNamedArgs = NULL;
" W1 p' F/ T% _9 \& r+ T8 b dp.cNamedArgs = 0;
$ F+ m/ [7 H9 P* l1 j: N3 `% f: b
// Call IDispatch::Invoke()
7 r) _) b: r0 I3 W& D% _' D* a' v3 h& Z
hr = m_pDisp->Invoke(
5 Q" G/ U0 }) H pokeID,
( ?7 f0 ^6 Y% h/ P6 ^ IID_NULL,6 m# l W$ z) e& G4 K; }
LOCALE_SYSTEM_DEFAULT,
, v4 g5 O# @' D, N DISPATCH_METHOD,
- A) H6 V& K0 W &dp,. h8 c0 u, \ w, ]9 ]9 D0 k' u
NULL,
6 B, q! H$ |& f &ei,- p0 R" S- P8 U; R( j
&uiErr);; h0 R% g- z6 h9 d. h2 k, m5 ^4 B. W
, r C% [) j- H" @5 h1 t/ j' E SysFreeString(topicStr);( x+ v! X) I( L) O/ @, ?
SysFreeString(itemStr);
$ v p3 ?4 S' {0 Y5 N' g; ` SysFreeString(valueStr);# W1 n4 u: I% P9 g6 h
* T, o2 O s! B7 h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???
8 W) | E; D: H& D; o+ H! ~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????
/ M+ R( c; b6 p. t" X
% B3 y! ^0 b" S, X9 D, k1 r4 D' r' l* ]
2.这是request的程序
! [( I9 u0 ] D$ n4 Z( B// Request a value from Extend- I0 u0 Q( @) p8 c5 P1 Q+ q: W
//& g& n5 n6 n3 B+ L* K
// Initialize the variant that will hold the BSTR. Set the variant's2 _) [1 E2 |1 @4 R8 u
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 M/ P. T7 E: ^4 F* Y, y) l3 Y// BSTR into the variant structure.
1 u" t% f* r- ~, P) ^& @ ?# B% l" _2 h3 {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
8 m& h+ [" O$ V P( O . X- [$ G. ?. s7 d- W; `+ \
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& G4 z7 I0 d' W4 v3 ~' ` VariantInit(&requestVariant[0]);
8 v8 U( W5 F# j* v) t requestVariant[0].vt = VT_BSTR;
# n. [! [! X6 R3 ^. s: M( d requestVariant[0].bstrVal = itemStr;/ A4 o; [: a) P$ H1 d' S
) Y' M+ g9 D. f: L4 ?# t% |+ L R8 ?
topicStr = SysAllocString((WCHAR *) L"system");) D) ]' z% M6 u7 v
VariantInit(&requestVariant[1]);
4 S6 u+ {- C- J0 f0 M1 O requestVariant[1].vt = VT_BSTR;
4 E% E+ P$ v$ k) {( T) ?6 l! p requestVariant[1].bstrVal = topicStr;
I( [ r& B0 G8 P
& d4 L% X3 q* o9 g// Set the DISPPARAMS structure that holds the variant.2 c! p; w0 l3 C0 h: p8 K% K
7 [. q- {( f7 Z$ l: S4 O
dp2.rgvarg = requestVariant;; ~0 K' T8 q* I
dp2.cArgs = 2;
7 S( F, }# i5 ~5 l' S: u4 g; P6 C dp2.rgdispidNamedArgs = NULL;
, [& m- \! z* S3 Q dp2.cNamedArgs = 0;
& _* f; q' R5 I$ f4 J( Y
# W7 y3 X* \/ V, `* t' K var.vt = VT_EMPTY;# G3 z m1 y# Y+ `& s
7 q# l2 s5 M, O, S" R& \* E9 `5 x
// Call IDispatch::Invoke()
# N: w1 C' w# C. v- O9 T# s2 M1 b7 ^
hr = m_pDisp->Invoke(
/ m% o! u+ g% ?! _7 _ requestID,+ Z# a) Z- j. ^
IID_NULL,3 V4 V- R5 g; k" H7 ^+ i2 _
LOCALE_SYSTEM_DEFAULT,! C8 B7 C. H! w% j, i
DISPATCH_METHOD,% H4 S& U# j# i( s$ m
&dp2,
- ]* G$ a; M& Z% B# D &var,5 G9 y8 l/ w; _( x1 x) m
&ei,
: P; u: {+ _( {: U+ y &uiErr);
- m8 L4 l( a1 n C8 `
7 m3 v( y5 B" O3 M9 Y' S) | SysFreeString(topicStr);2 `; P3 k! s+ S8 B3 G
SysFreeString(itemStr);
$ u/ \" O, S+ \请问该程序是获得extend里面的哪个值?
/ j1 N7 d5 c" d, S) i+ Q% _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???? |
|