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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 ]; L$ L/ G6 e+ r9 O5 s/ MName = (WCHAR *) L"Poke";
4 g: g+ H. m* _5 E0 X4 Z 0 D f ?) g" S5 l9 p# J9 M6 m+ i6 a$ j
hr = m_pDisp->GetIDsOfNames (
. ]1 f' S7 Q: K5 u IID_NULL, // reserved
0 F+ w5 ^4 c8 ]0 n3 }4 |; O &Name, // Array of names to get IDs for
5 S( y1 _- Z1 |. a- P3 z8 }4 G( g/ K: h 1, // # of names in the array. Y0 T- I* X) A5 o6 P- _
LOCALE_SYSTEM_DEFAULT, // System locale+ o% p+ I( B, a) B' n" ]. V) a8 G3 z
&pokeID); // Array of IDs to fill on output
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if (hr)& @3 U6 u* S8 i, q
{0 M# x k5 r C9 k
MessageBox ("Get Poke Unsuccessful");- n4 w- L% ^+ ^# X
return;# _8 ~: }! {% p! ~, ^0 P7 k% w
}: k+ ]* i8 p9 a1 k! d3 n; k
5 V7 J8 W( C! n3 B Y P6 x/**************************传递数据给extend**************************************/: l1 @1 I- r2 I+ r/ a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
; O% t# {# i4 O; \: T4 ~ VariantInit(&pokeVariant[0]);
9 `+ \4 q+ |' k5 K+ y pokeVariant[0].vt = VT_BSTR;
O: C, E& u1 h, V pokeVariant[0].bstrVal = valueStr;
6 J8 {. L. w2 S- E2 r$ n, [, C. g c( ]8 `# X+ N- g) _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ Y c5 [% \- l; o0 n) y: \ VariantInit(&pokeVariant[1]); + U: O) ?( X- b# `6 w$ W1 v# z8 ~5 j
pokeVariant[1].vt = VT_BSTR;
\+ P& h" z; x* n) O$ z7 z; D' S pokeVariant[1].bstrVal = itemStr;
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' y- Y0 K0 Y; L" I. I' b. W. ]6 Q topicStr = SysAllocString((WCHAR *) L"system");: |" j1 M6 s1 r
VariantInit(&pokeVariant[2]); 4 b8 N0 i% P) _* s/ e& B. ~
pokeVariant[2].vt = VT_BSTR;- o/ ^* ], u3 @# h+ x9 u
pokeVariant[2].bstrVal = topicStr;
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! V/ k: m0 m* k& ?' O4 r' X// Set the DISPPARAMS structure that holds the variant.. J- o1 m( c6 W% U
& V( k/ H2 j0 P% t/ I4 W dp.rgvarg = pokeVariant;/ o- [ Q& g' p7 z4 ] }/ O
dp.cArgs = 3;
7 N) X8 D6 E$ W5 x/ i6 @ dp.rgdispidNamedArgs = NULL;$ `! Z6 _5 `3 U7 d4 D( [
dp.cNamedArgs = 0;& x$ Q7 F5 s) `# s
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// Call IDispatch::Invoke()% P+ |+ K: y0 J: V3 y
2 H$ g8 d0 D3 o! N! k; E hr = m_pDisp->Invoke(2 z" |$ S f1 C# y: Z% D
pokeID,
I5 f: D) t& _/ U4 B, ~ IID_NULL,( k; X! h% m% ^" r/ `6 v
LOCALE_SYSTEM_DEFAULT,) @1 g- d, M$ M: e. T
DISPATCH_METHOD,
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NULL,
i6 k8 q3 c) B &ei,9 c/ W" o' Q! N2 `8 j8 G
&uiErr);4 I" a0 I* p! \: o+ Z
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SysFreeString(topicStr);, c8 `* J6 o! l# i1 x) g
SysFreeString(itemStr);! X& ]# N/ g5 T* G/ U
SysFreeString(valueStr);
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/ L2 W2 ]8 G3 o1 S! z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???( m8 a7 e j4 c7 L; e- \
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????9 V" n$ H. X2 i! m' f h
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! o. P$ o& O3 Z: O1 h: Q% y$ U2.这是request的程序
. r1 b& l% E/ L2 f; d4 ?// Request a value from Extend
( y( W0 U: L4 Y* b" n/ `0 _//
$ {' T3 {* N, f8 S1 N// Initialize the variant that will hold the BSTR. Set the variant's
% ^- y+ l8 `* K0 h& J7 j// type flag to indicate the fact that this variant holds a BSTR. Place the
8 T( E0 }9 ]4 I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
U+ J/ V8 L7 E( J4 v4 _/ D1 q VariantInit(&requestVariant[0]);
6 ]& [$ D: a1 r4 t' c+ w0 U requestVariant[0].vt = VT_BSTR;* @$ [* F V$ B4 X1 Z
requestVariant[0].bstrVal = itemStr;" l) J7 k( y7 B, Y" Z7 u; F
. X. r# N5 ]. n: W+ R! j topicStr = SysAllocString((WCHAR *) L"system");. O& N1 t; l0 `3 a" c6 S# D
VariantInit(&requestVariant[1]);
' T0 v3 e& V" x' X requestVariant[1].vt = VT_BSTR;/ b9 ~' u! f$ X% K* ?( K# R8 ]; F
requestVariant[1].bstrVal = topicStr;
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2 D7 ~$ N# N X' h% a$ i// Set the DISPPARAMS structure that holds the variant.
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( L0 _( K9 _0 u8 s+ B dp2.rgvarg = requestVariant;
8 G- x' z+ E) u o- r$ [: O/ b' B0 M dp2.cArgs = 2;! j& v; h4 B+ b/ M
dp2.rgdispidNamedArgs = NULL;1 ~( i# m. s$ N: w
dp2.cNamedArgs = 0;. G6 n. a) j; r) D
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var.vt = VT_EMPTY;- @# w) _/ r6 O5 C. y
+ l" P0 I+ j4 e3 M// Call IDispatch::Invoke()
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5 {, `( Y! v" N! T* m hr = m_pDisp->Invoke(* t' L7 Q9 `, e* n
requestID,
* S7 A: W! @0 K IID_NULL,- _# C! y( Z3 m: z3 f
LOCALE_SYSTEM_DEFAULT,
0 a# z" f" s/ \! g8 @9 ?5 _7 G DISPATCH_METHOD,/ R, c6 g! F( P
&dp2,
1 H, k/ e# o [& ?9 [' |! z2 k! J &var,
) I* P( r8 K3 t0 g! H &ei,
5 i; p9 I0 T# l &uiErr); l: e& ?; X# I* @! [) w
3 b/ e& a( j X: E9 r SysFreeString(topicStr);! D8 ^5 E. w3 t3 ~
SysFreeString(itemStr);4 h( P( s' Y% g( [/ k
请问该程序是获得extend里面的哪个值?$ w/ F% H6 E9 p5 |* p0 v+ M( 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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