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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:$ Y0 E6 e6 V5 c( b; A* C$ |
Name = (WCHAR *) L"Poke";
% C6 {8 t2 p( |( C* | 2 p: G9 R' u; D" Q
hr = m_pDisp->GetIDsOfNames (
# N) T2 V- k# U; T1 o" A& |6 O IID_NULL, // reserved1 L6 v; F5 N7 N0 U$ u" j* x! e! L0 R# e
&Name, // Array of names to get IDs for$ R3 w! N" S& c/ y* @7 e" L
1, // # of names in the array9 E( g' k2 \; h2 b D9 g) `" \
LOCALE_SYSTEM_DEFAULT, // System locale
3 ~) S$ [. r7 a6 E+ \! c4 M &pokeID); // Array of IDs to fill on output! ^( V1 J0 Y, s" J( v: C6 p4 p! ?
" S+ [4 S4 g# K0 @6 W% A if (hr)
: p! o& e8 Z5 K7 L' c4 { {+ g, P" Q- f$ L! Z
MessageBox ("Get Poke Unsuccessful");
' ~, {# Q K8 ~" F: @ return;% p+ j0 J. p: W) S+ X9 r2 [5 p
}
+ y* Z) {/ N' R" h+ t/ m& |; T3 D: d
" r6 v5 ^$ I& P( }( s/**************************传递数据给extend**************************************/
+ w% l! E( F& G+ g2 P6 I2 f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) `) Y# z$ E+ \& ?3 ^, W
# ^; O( M2 ^# D, _7 E5 l8 ^) p- ~ valueStr = SysAllocString((WCHAR *) L"1232");
+ g0 X5 H @* D6 g. s VariantInit(&pokeVariant[0]);
+ K' B5 c8 ^8 n% [; j6 F pokeVariant[0].vt = VT_BSTR;0 ^1 H4 d' S" Q# F! a5 v0 Z9 G
pokeVariant[0].bstrVal = valueStr;
& u; k7 O9 T. X
4 r7 ]: g. x' _% E7 b" j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 h) M1 i) j e. ^0 Q9 ?! O
VariantInit(&pokeVariant[1]); # E$ `" x% |; j! x( U7 N
pokeVariant[1].vt = VT_BSTR;
( n4 N0 {+ g0 w7 C pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. N; `3 K! b, f* A1 \, A1 j0 r8 s
VariantInit(&pokeVariant[2]);
. s8 S3 G0 f8 F$ A w8 | pokeVariant[2].vt = VT_BSTR;! U' x6 L" R, i O* B% k6 S
pokeVariant[2].bstrVal = topicStr;: u7 n% v) U; E# W2 c) A
7 Y3 S9 J6 M) C( \// Set the DISPPARAMS structure that holds the variant.- U# `3 }2 E5 M8 }) o
; p. ?; i+ |% g! }$ [ dp.rgvarg = pokeVariant;, n _; M) [7 Q6 J
dp.cArgs = 3;
; G5 T7 v) J$ {' U5 e% _ dp.rgdispidNamedArgs = NULL;1 y7 I$ {0 S9 [/ y# d1 Q" l* {/ L
dp.cNamedArgs = 0;- Y0 g& _) j4 m" i3 i
; f$ m* D8 N* {1 R) E
// Call IDispatch::Invoke() x/ ~6 d0 x. ?
+ ^. |- @. N* [- Q
hr = m_pDisp->Invoke(
5 Q* R! C7 ~# S: g7 x1 } pokeID,$ T8 B3 A" S) N" d f8 G% p
IID_NULL,
_" H+ S0 B% d3 U$ {- O5 z" r; j! S LOCALE_SYSTEM_DEFAULT,
$ |# m+ w+ p' L2 ? DISPATCH_METHOD,5 w4 _0 y" u# o" r
&dp,8 `0 A7 U5 p4 C$ K- m# ^
NULL,! \1 K/ N" p- f5 o" c
&ei,- u" ~9 X1 G D4 U8 N6 y, d
&uiErr);
7 B4 E0 _/ _* I7 Z; y4 K4 e- ~1 t6 I7 @
SysFreeString(topicStr);
0 d; \) \2 Q7 v2 _% Z SysFreeString(itemStr);" v, G6 N. K8 q% I5 ^" S
SysFreeString(valueStr);
1 {5 Z) |& C8 e9 d1 u4 s
7 C# O$ X; j7 c7 |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???; a, q- [5 O) l
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 T! E$ v! T* J# D0 |: C
, _& x- V. D. B3 N$ u) x2 l
% r: v" j& ^2 Y" V
2.这是request的程序
% y7 `4 m' x( N% k$ f- b" v// Request a value from Extend
* y! e; @# V" q# }//
* ]7 |1 O, ~: ~. t: H// Initialize the variant that will hold the BSTR. Set the variant's1 ]7 E$ \+ l) G0 r* l. B' {+ a
// type flag to indicate the fact that this variant holds a BSTR. Place the
, ]' M! W$ i7 a% p" J& o// BSTR into the variant structure.) A# x. x! G5 O0 @; {8 [, ?
4 T+ m& P7 a) h, x. z6 @
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); }) ?, Y+ X- m7 L: Q
. B( K5 m+ b8 @$ d8 _ j
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 l/ r( Z) {! I9 z" y
VariantInit(&requestVariant[0]);
# C+ k$ [+ X5 ~7 M requestVariant[0].vt = VT_BSTR;3 L( C) `+ |1 Y
requestVariant[0].bstrVal = itemStr;
8 U4 d' o- ]$ j8 X: q( c" M# _9 F8 ~9 U4 i) X, }& L
topicStr = SysAllocString((WCHAR *) L"system");; |0 b$ H* o9 w% J) _ J! R
VariantInit(&requestVariant[1]);
3 l) \. K) Z: y4 R requestVariant[1].vt = VT_BSTR;1 \ i" L' } I
requestVariant[1].bstrVal = topicStr;
6 q# t# B h2 P n0 W, _, K! G4 t8 Z0 | A) p
// Set the DISPPARAMS structure that holds the variant.
7 `! I$ X+ I. }3 R& D: L
1 c" d4 R, ?- K- u. e0 @ dp2.rgvarg = requestVariant;2 l% s) d$ s' n' k" P; l
dp2.cArgs = 2; j; ~- Z8 ]4 C. Q
dp2.rgdispidNamedArgs = NULL;
/ }, }7 Z8 w3 F9 F0 V, ^ U0 _ dp2.cNamedArgs = 0;
( z! m* Q I+ |1 U% S4 x& F' J2 j
1 s% a4 T) `( `. L1 N var.vt = VT_EMPTY;* |0 D. A) N3 F |4 d! {! l, c
9 v2 w ^" ^3 f! M- A* \5 e// Call IDispatch::Invoke()& b1 R8 h% q, M4 m
* u: `; D- U; j$ m4 y
hr = m_pDisp->Invoke(/ m3 F( y K' G$ u2 a
requestID,
! d+ j/ j- S. V% C) g IID_NULL,
r) j( v4 j- U1 k' V+ r* ^ P LOCALE_SYSTEM_DEFAULT,
& @' [( m+ `# |% Y3 C DISPATCH_METHOD,
* v# C2 |7 u/ [! l &dp2,9 K" x' K& C+ o; @
&var,
) K2 T! ?- {& | &ei,: T. x, e' G* u8 S, x$ p4 h$ s
&uiErr);
: D5 m7 S2 Q: W2 Z% o. v
$ [! t- S+ j3 B- L5 Z SysFreeString(topicStr);
3 j/ w# C" `9 e+ m7 x SysFreeString(itemStr);( i0 A A5 d0 i7 \
请问该程序是获得extend里面的哪个值?
$ {7 p: {6 b' c4 o6 Y6 b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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