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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:1 a9 v, K/ o: F7 y7 x
Name = (WCHAR *) L"Poke";7 s/ A: z8 D/ D+ w4 g
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hr = m_pDisp->GetIDsOfNames (
! y2 I' @0 {& h$ ]/ { IID_NULL, // reserved f! E; p0 _: P7 i
&Name, // Array of names to get IDs for0 R* @& e4 K; |- }8 X
1, // # of names in the array6 Y" v& S7 F1 e( @
LOCALE_SYSTEM_DEFAULT, // System locale+ U( \/ q4 a% ~# w2 H( O1 D
&pokeID); // Array of IDs to fill on output5 e* }, z: P7 d; o7 R8 d1 [7 J5 @
& T; u' J) r+ d: z
if (hr)
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MessageBox ("Get Poke Unsuccessful");
2 \2 p" A1 a# [; [8 @ return;
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/**************************传递数据给extend**************************************/) Z3 J. o" B( ?, S$ M
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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& D' w" f8 f# E' ?# {8 z- _ valueStr = SysAllocString((WCHAR *) L"1232");7 f4 n- y8 r0 H- i7 v
VariantInit(&pokeVariant[0]);
9 H* V' @/ {0 s u0 i' J pokeVariant[0].vt = VT_BSTR;! A9 w& @; P( `
pokeVariant[0].bstrVal = valueStr;% f% j( ]! U2 L3 \
t5 g% C( r! A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' _% d; Q) g1 ^4 @4 ^: m0 b# k VariantInit(&pokeVariant[1]); * s3 e* K- P0 H% Q6 @
pokeVariant[1].vt = VT_BSTR;: M6 h, r" _& `0 k4 T$ _, N
pokeVariant[1].bstrVal = itemStr;( ]7 P4 E0 K, q8 T4 v
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topicStr = SysAllocString((WCHAR *) L"system");
% `: z$ v0 N$ l2 m( y8 H VariantInit(&pokeVariant[2]); # B5 v! _# z3 ]" J
pokeVariant[2].vt = VT_BSTR;
) E/ W2 |; u" x, Z$ b; ]( e pokeVariant[2].bstrVal = topicStr;& e4 L, x- [5 X3 o. w. H, J
9 I t' G7 e) [4 v// Set the DISPPARAMS structure that holds the variant.
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" }/ Q' }0 V( E2 c dp.rgvarg = pokeVariant;, u$ T0 C; H7 t* E+ n2 s
dp.cArgs = 3;5 I' \) J; g8 R4 j
dp.rgdispidNamedArgs = NULL;1 t5 f2 p( N) I$ I$ ~8 [' C
dp.cNamedArgs = 0;
T: a1 L, z' g$ r& Q7 C
& i- b5 h+ K5 D' J. `/ ?( B// Call IDispatch::Invoke()% u0 P2 }+ M0 E- W
?- j5 H5 P" |/ S hr = m_pDisp->Invoke(
: J% ?$ b: Z8 J pokeID,
1 S" [% o- t7 |; L IID_NULL,: j* t0 ^$ j1 c5 S& ]6 B* r
LOCALE_SYSTEM_DEFAULT,# _) A4 g2 A! d! S1 x& k
DISPATCH_METHOD,1 t" V3 E1 g/ [/ S$ X% N! i% |
&dp,3 Q* k& }. I0 m0 i I8 v+ q
NULL,8 E0 z0 y8 T5 |3 A
&ei,$ y) ~8 H% @: g0 L1 H5 A
&uiErr);
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+ R8 q0 r& ?$ i SysFreeString(topicStr);
5 _! S" I9 H6 g$ \9 T SysFreeString(itemStr);
; R8 r `# S6 \! `1 k) e5 ]- ], b& E SysFreeString(valueStr); F% A/ j7 A2 M: M7 h
: X5 t4 T& C' r( d, T4 K3 T+ e, N
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???) u: a4 u0 P7 [, n
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????* Q) `' T& i& ]
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2.这是request的程序
3 N3 {1 S T7 x) G& k% P$ \// Request a value from Extend$ K8 S$ E2 v: |- P
//3 c* e4 k, M0 {& _: G! z
// Initialize the variant that will hold the BSTR. Set the variant's* F0 z* }& O$ [2 p
// type flag to indicate the fact that this variant holds a BSTR. Place the* j& I9 f1 x, r z8 L/ a, v
// BSTR into the variant structure.; T% ?$ }" O! m7 N- ]. w9 W
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 T: n1 P7 A, P1 ^5 P
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' y. B; ^1 r6 L2 v, |+ w
VariantInit(&requestVariant[0]); 1 A/ B+ d7 o/ a9 `4 `
requestVariant[0].vt = VT_BSTR;
) u9 M$ L5 U7 C$ ^4 J requestVariant[0].bstrVal = itemStr;
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: K9 T: E# y* d6 I! l4 |. J topicStr = SysAllocString((WCHAR *) L"system");) i5 F: n6 i7 b# w
VariantInit(&requestVariant[1]);
8 p5 U, q# x) i, \- k requestVariant[1].vt = VT_BSTR;
8 Y |1 ~* w0 Q* ~ requestVariant[1].bstrVal = topicStr;
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. M( ~ V# t1 Z8 Z( y+ V* n1 s& j// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant; j; B3 s3 O/ z/ L! D C2 C4 O
dp2.cArgs = 2;
" H1 @2 f$ {& G1 n2 v dp2.rgdispidNamedArgs = NULL;0 Q. O/ m+ \9 P" R/ d. F# Y
dp2.cNamedArgs = 0;
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6 O M2 y0 i7 {7 u$ K( l var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()( C$ S! l) w* y5 I/ l
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hr = m_pDisp->Invoke(- B. H7 ]; L0 H8 Q
requestID,1 h& B F$ b! q; W: c
IID_NULL,
* T! |9 w# t; x2 }) s' E; w LOCALE_SYSTEM_DEFAULT,
" B2 n# h0 k' X+ x5 `# o" E DISPATCH_METHOD,
9 `. m& a) u' e$ J; u7 E O- K &dp2,
$ t, \! F% F; z- J8 e. }7 L% | &var,
* U5 n5 V7 C" d5 v2 `. J5 y6 J2 B &ei,( ~* y D, P) Q( t8 U" x5 v
&uiErr); W' E3 r7 E" f' |
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SysFreeString(topicStr);' d8 [- ]% F$ s2 q
SysFreeString(itemStr);& ?3 `$ n7 B1 J9 m. F! [
请问该程序是获得extend里面的哪个值?
# l# b( s: ]) E0 P: X5 S7 H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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