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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:) {3 H' X1 ^+ ]7 t: F1 _
Name = (WCHAR *) L"Poke";
: K. o! g! S- \2 {
/ [0 f# \6 R% ~; T% g9 t# r# V( o hr = m_pDisp->GetIDsOfNames (
% ]0 g* b7 d" z& K IID_NULL, // reserved
D0 z7 r0 C: P& ~ &Name, // Array of names to get IDs for
8 i; I* z6 `* m+ _; k9 s 1, // # of names in the array
5 e( i0 C' {; K7 T LOCALE_SYSTEM_DEFAULT, // System locale! i% a5 S0 C9 z
&pokeID); // Array of IDs to fill on output" n- ]3 c% v8 V: \ r6 e( y0 q
- B3 h# j/ n. |/ v7 n7 b
if (hr)8 b7 U+ O. V6 n$ O* c" W
{
( N1 B' f6 T2 i+ D2 E MessageBox ("Get Poke Unsuccessful");; v0 D! m9 x% y- ?$ }+ G ]
return;$ W; |7 \2 D( {9 |1 c/ k& k
}
& d8 S( Q/ w0 d4 A- I9 b& I1 ]! }6 z
/**************************传递数据给extend**************************************/9 ^" h) r8 I# B3 {& T; N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 M0 e% ?8 c7 A3 o
" e- U* P; m' g- a3 ^& _2 [( ]$ ~ valueStr = SysAllocString((WCHAR *) L"1232");. w8 z1 H5 w4 |: L. u- p7 R5 O
VariantInit(&pokeVariant[0]); - j s7 e: N; z) T6 x
pokeVariant[0].vt = VT_BSTR;
$ r# }) z& w; j pokeVariant[0].bstrVal = valueStr;
: P8 B0 R+ h5 a: ^ F
0 v1 t* t: w/ I) g9 C3 ?0 D2 a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: m3 S/ u ?/ j VariantInit(&pokeVariant[1]);
4 b7 }; a, w3 M: Z0 F% y pokeVariant[1].vt = VT_BSTR;+ b* a0 U( P9 P4 y% W
pokeVariant[1].bstrVal = itemStr;
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" n8 \% v. f, ~; _ topicStr = SysAllocString((WCHAR *) L"system");# H- `! @5 p: Z/ S
VariantInit(&pokeVariant[2]); , f4 z. G2 f( f
pokeVariant[2].vt = VT_BSTR;
# X4 ]( `/ g* c; V' E, Y* x- Z pokeVariant[2].bstrVal = topicStr;+ H" ?" z( M1 Q, x! d
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// Set the DISPPARAMS structure that holds the variant.5 i" d& h% }# T2 ^( [0 v% c
, @; f/ z- F& X6 O: P dp.rgvarg = pokeVariant;2 i1 K$ r, h4 x+ F
dp.cArgs = 3;
F$ ^. K1 a L dp.rgdispidNamedArgs = NULL;+ p) E" A7 Y K& f3 m1 P
dp.cNamedArgs = 0;3 P3 w/ F' C$ r
' b* o$ A+ Q( m- A5 X
// Call IDispatch::Invoke(). }1 d4 I6 E1 i: O; T2 ?3 k6 q
) q# J2 M: t0 K: e
hr = m_pDisp->Invoke(! d: E4 t) r" ]1 w
pokeID,
6 Y6 h1 v5 d9 V3 `. C IID_NULL,
+ [4 b5 W4 S1 w LOCALE_SYSTEM_DEFAULT,
) H I0 H9 A+ e3 u DISPATCH_METHOD,
) [8 i- d% v* V &dp,6 w5 x& h3 l, i, b% f
NULL,
O( |. ~% c' S* \8 c &ei,
8 G6 o" O9 `0 K6 H% u. ] &uiErr);4 Q! ^/ b2 g0 T3 \# \3 X3 G! \
- x) x7 M& |# [) V2 J3 ^ SysFreeString(topicStr);
1 w6 p3 Q) A4 c SysFreeString(itemStr);
5 x- W* @3 u1 x, f. x SysFreeString(valueStr);. ?* r( S' Z# ?5 _' o3 u
, A& e- R$ j' D( C# k: p
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???
+ C) B. J$ d) D7 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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# I- T- O j$ X5 ~0 u% e2.这是request的程序
7 A! H7 V7 h" `# _) U0 b// Request a value from Extend U& O% R' c8 x
//- Q1 a2 a X- T" ^( {6 R6 n
// Initialize the variant that will hold the BSTR. Set the variant's, }: F9 H+ D- a5 [0 J* v# \/ V
// type flag to indicate the fact that this variant holds a BSTR. Place the$ q0 t$ r& c) p# y N% d9 |6 W
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
# N% e; o. r- U& v) B M) ]: [% }
! C1 y& ]# z: S/ z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 |0 z/ q$ Y/ k+ d+ F4 C
VariantInit(&requestVariant[0]);
% l( s$ j# v( N' t( m) K% c% v requestVariant[0].vt = VT_BSTR;: K( M# B; f B, H/ R- M) k
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
9 A, Y2 k6 P0 f0 k VariantInit(&requestVariant[1]);
6 ?7 N9 d) f* W# c0 f8 o9 i$ d. t$ A requestVariant[1].vt = VT_BSTR;# Y# N" x& b0 l0 d" Q0 N* U+ Y
requestVariant[1].bstrVal = topicStr;
# Y! ~5 L) l, u4 e1 ~& {8 J
- @. M# J* [- a& ^6 C2 O// Set the DISPPARAMS structure that holds the variant.. W: W {; L7 j% s3 \2 @2 {
, i# F- d; o k7 e/ `& h/ ]( B dp2.rgvarg = requestVariant;
9 W! ^) X: o6 q S ?5 j w" w dp2.cArgs = 2;: f9 X4 S% A' T3 _) X: n
dp2.rgdispidNamedArgs = NULL;# f C- k) c' V8 r8 @3 N& s, U
dp2.cNamedArgs = 0;0 u4 d2 @2 F; x1 u
+ t* E4 C- @. h var.vt = VT_EMPTY;. E. O' O# \# A# Y! \7 L
/ _( o! G6 `/ V/ A// Call IDispatch::Invoke()
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% `6 G& G: P" J+ K0 O hr = m_pDisp->Invoke(# ?$ J1 ?8 ?# v
requestID,. V0 {' d+ A1 U" V1 Q* T
IID_NULL,
# G4 \2 Y Y. t/ R4 m( M LOCALE_SYSTEM_DEFAULT,/ w+ `# u, \2 j8 i& E5 l7 e7 K
DISPATCH_METHOD,
; Q0 P: p! e' n/ B* G6 a/ k A &dp2,4 F& f. W# r" }7 u6 Z- C8 r( k$ _
&var,5 L! H' L$ K$ p2 F" m# a& |7 ]
&ei,7 t+ N5 D' e$ U( D! Y8 K
&uiErr);
6 B: H/ W$ d1 b2 y- B
) v. Y& ?# K. J$ J# g) f! } SysFreeString(topicStr);8 P+ U& T. U% ^
SysFreeString(itemStr);5 I. R$ C; @9 U, M( j
请问该程序是获得extend里面的哪个值?( @$ ^3 m( r3 k6 d t. k- R
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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