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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:
5 U2 q) y" @3 V' yName = (WCHAR *) L"Poke";' [8 y6 s: O6 N- a
`5 [" a* @6 ^; f hr = m_pDisp->GetIDsOfNames (
! h- ~: Y( w/ \/ ?' V7 D IID_NULL, // reserved* M0 d5 b6 D3 b' E w* J
&Name, // Array of names to get IDs for
5 K2 D S5 E/ i$ [- S+ N3 I 1, // # of names in the array7 L* V( X& C& i* i* d9 P+ P
LOCALE_SYSTEM_DEFAULT, // System locale
5 u0 H! Y' O/ D. R &pokeID); // Array of IDs to fill on output; N5 R+ e* c3 E* h: G) a9 f
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if (hr)
7 p3 {8 l' a7 K: J1 |, X- t {
4 d. v: u: k2 F% c4 o4 g. j% i MessageBox ("Get Poke Unsuccessful");/ f/ ^6 |7 Q! v7 `' R& o
return;# a# C7 j, M7 F! o4 v' g
}
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* a3 t3 ]( b9 R/**************************传递数据给extend**************************************/7 ]6 Z% d( {& k( { M: T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 n5 x- n" ^4 f* O- ]1 ]: d
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valueStr = SysAllocString((WCHAR *) L"1232");
0 U) D# m5 P- c; @/ I q VariantInit(&pokeVariant[0]);
& ]4 B6 Z% }8 l' Z7 w4 _$ u" F pokeVariant[0].vt = VT_BSTR;. v; y9 W& z7 P3 {$ x) ^# L# M4 e
pokeVariant[0].bstrVal = valueStr;
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1 d3 l8 p$ w0 E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' \3 i7 a1 u7 v s$ } VariantInit(&pokeVariant[1]); 1 e) z8 h7 f0 V
pokeVariant[1].vt = VT_BSTR;9 q+ a. E$ L! R6 Q, q0 S
pokeVariant[1].bstrVal = itemStr;$ _& E2 }; R- Y& C2 y
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topicStr = SysAllocString((WCHAR *) L"system");
3 E3 \; p7 u' D% _2 O6 r VariantInit(&pokeVariant[2]);
; s" d) T5 C0 B) b' y1 ?( k pokeVariant[2].vt = VT_BSTR;( l* {/ y2 P# z; _2 x4 i$ l
pokeVariant[2].bstrVal = topicStr;* u8 s" Q1 N' x" T3 b5 h
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// Set the DISPPARAMS structure that holds the variant.$ R$ ^. T* l7 a( H0 g* \/ h1 c0 S
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dp.rgvarg = pokeVariant;
. b: l2 X; Z' j2 A dp.cArgs = 3;- w& q8 i& Q$ k# ?0 Q
dp.rgdispidNamedArgs = NULL;% O& i% O0 v) L
dp.cNamedArgs = 0;
/ P$ `- w$ U, \$ Q: D5 j% {
! o/ z" _% C! j! I0 S4 b// Call IDispatch::Invoke()% |3 a! X/ i/ O" v
+ R; `& b8 S+ F/ c V
hr = m_pDisp->Invoke(
d+ f' O/ `! l( v1 ~% H& ?3 H pokeID,7 A% j/ o2 b/ ^: F& y3 b$ v. p$ ]/ b
IID_NULL,
% E/ ?2 E8 ?( K5 e LOCALE_SYSTEM_DEFAULT,
9 ?5 c2 U6 x& Y; {" o$ Q1 G1 U DISPATCH_METHOD,
+ W3 S( e8 E0 r: g &dp,
" _+ u8 s3 ` L. O `+ u( ~ NULL,
! ]5 c" z8 Q$ L! K; k; @1 t &ei,
7 d7 e8 i" Q+ K) x. W! U2 t3 \( a$ o &uiErr);
1 w# {; w& j) t+ ]8 Z m8 u4 M O
; K# g0 k) @/ k+ T& \1 l2 R% X/ Y& F SysFreeString(topicStr);* k7 t0 M" r5 z
SysFreeString(itemStr);
- Y7 s( t# w. U( n1 T SysFreeString(valueStr);' ?" c5 X+ _( w4 r% G0 H: k/ Z) `
2 e9 |7 _9 ^# O' {- f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???
) t( R4 V8 Y7 g% x5 K2 }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????0 Y' a% F$ _/ M3 y& x" E/ e
8 a2 y2 s& m! x1 W' h4 d/ s
9 H, ^$ ]3 y1 d+ Q
2.这是request的程序1 G6 T7 n {5 h ~; f
// Request a value from Extend/ Y, D/ i0 z) x, f6 m8 k# N$ b
//
& F# ^# @7 g7 q' w. @, X// Initialize the variant that will hold the BSTR. Set the variant's
, v9 R* Q: k9 A" s! t3 }5 N$ a// type flag to indicate the fact that this variant holds a BSTR. Place the
! f& L' ^$ Y1 }# G0 H9 L7 P0 C// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
- `2 G5 c. l" V! k+ {
; c# I. Q: u9 s3 M! S! p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: d' U4 _* ]# I7 o+ p
VariantInit(&requestVariant[0]);
# ~7 @* b! v q0 Q' Y6 C: s! ]$ k' q requestVariant[0].vt = VT_BSTR;) d+ Y. U# [4 Y2 i
requestVariant[0].bstrVal = itemStr;
# X$ M& Y6 b* c2 ]* P e' ?5 E9 {2 N" O
topicStr = SysAllocString((WCHAR *) L"system");1 z- I3 G; y+ `3 x/ h
VariantInit(&requestVariant[1]);
2 f6 m7 C* g% t; Y* ? requestVariant[1].vt = VT_BSTR;
% k: q# @0 ` M) Z requestVariant[1].bstrVal = topicStr;- Q4 h1 E% F. U q% J4 O
# h0 k* W* m/ T4 M; \
// Set the DISPPARAMS structure that holds the variant.
5 Q* e6 B+ U/ d( L0 y- ?
0 P4 P8 j/ O& y1 k# c4 X dp2.rgvarg = requestVariant;
0 ^6 l% I9 f, ~4 D( ~ dp2.cArgs = 2;
. J: Z; N! f: Y' b. O dp2.rgdispidNamedArgs = NULL;1 ^ u+ T& e1 p3 S
dp2.cNamedArgs = 0;. J( m( W6 x; r
6 E4 ]5 L0 i& I2 ^/ d var.vt = VT_EMPTY;/ o- f4 r4 H, f* `7 Y2 g0 u- Q
' K2 \. z4 X7 z; e0 A7 Y4 g& {' \! n
// Call IDispatch::Invoke()
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# A$ s5 e% @% @) R# L* } hr = m_pDisp->Invoke(4 Q4 V; A- k6 B
requestID,
* M0 `; t& V4 {9 Q) T3 ^5 o/ E- d IID_NULL,
6 J" x; a) i$ ~. _* c LOCALE_SYSTEM_DEFAULT,/ v' o3 d/ \% S8 w+ a, F! _/ ` i. P
DISPATCH_METHOD,
( m1 g/ f# h- f, R) }# \ &dp2,
* Y% ^3 `* Q& e &var,( K1 h! `7 e. e" {2 \/ H9 Z
&ei,! R/ \+ O' k* O4 q8 I
&uiErr);
: Y4 Z2 C/ d5 t* w9 R* B& D; G0 N8 R) K, ]8 P+ w6 ], @2 Y4 ?
SysFreeString(topicStr);
; z" r' o4 J3 | ]+ a, R% ] J0 y/ `) A SysFreeString(itemStr);5 o5 }2 V+ G6 D8 E( `, h5 S
请问该程序是获得extend里面的哪个值?, C: Z, I3 ^, C& F( u) 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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