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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:
' j# }; z9 S0 K/ l K! kName = (WCHAR *) L"Poke";: o; m2 z1 j$ N9 b
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hr = m_pDisp->GetIDsOfNames (
% o% p9 {* b$ |) a& ` IID_NULL, // reserved
4 c. l) N2 ]( j' W8 V* { &Name, // Array of names to get IDs for
. j/ ^$ t0 q7 o- k, `' y/ ^; w 1, // # of names in the array
( g$ f& |) Z. `, u$ u% N LOCALE_SYSTEM_DEFAULT, // System locale& n- Q! w) d8 S' F, }- u' s3 D
&pokeID); // Array of IDs to fill on output9 j3 H6 j/ |& B. z2 Y/ z6 ?
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if (hr)' L3 F5 L: R% d0 c) a
{) o8 u) X5 T. p/ O
MessageBox ("Get Poke Unsuccessful");. B1 ~. }7 O3 o, U
return;
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3 s% X5 l( v2 }0 m, m/ S' _4 Q! S! \/**************************传递数据给extend**************************************/3 c0 s9 E- ?, v0 X0 Y1 i% |9 ?
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
" n9 q# j0 A$ b5 O+ F: x1 [5 ?0 J 9 C, G( c* M3 G% y T5 Q9 P
valueStr = SysAllocString((WCHAR *) L"1232");
3 v' b* b% u/ I* d* _0 e" M. Q) ^$ y: u VariantInit(&pokeVariant[0]);
: Z, m$ v j( K* ^* T: t pokeVariant[0].vt = VT_BSTR;
- C, v5 k) P& Z% D pokeVariant[0].bstrVal = valueStr;- z' V8 ~, B8 N# ~
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) \) _( `$ P* N( V) d! G5 Y% p0 D VariantInit(&pokeVariant[1]);
- z* d* @+ \2 R3 Z5 p pokeVariant[1].vt = VT_BSTR;
" ^. C/ _1 p& Q2 j9 I9 j' b5 @* ` pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); Q8 ?. a4 C( h, s. P& U+ _) m: `
VariantInit(&pokeVariant[2]);
0 V- `& ~( C2 T7 v( v' A7 K pokeVariant[2].vt = VT_BSTR;
0 K! r- a7 w$ t# f" j* z1 z pokeVariant[2].bstrVal = topicStr;& ~2 G! i) w5 R5 X5 S5 q
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// Set the DISPPARAMS structure that holds the variant./ V1 R2 @" Z$ B0 ]# n. a. ]
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dp.rgvarg = pokeVariant;2 q& r2 Y: q5 I9 K! x3 n
dp.cArgs = 3;
7 _8 D6 ]* W5 v3 c" |* J- e dp.rgdispidNamedArgs = NULL;: a/ t0 v) M; |4 Y3 }
dp.cNamedArgs = 0;
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8 _5 C# u$ y* L4 K8 _4 a// Call IDispatch::Invoke()
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. M* ?* F6 W! M hr = m_pDisp->Invoke( G) j2 ` @ D! o7 ]4 b
pokeID,
7 N( B+ g- b, l$ [ IID_NULL,
) i, R. }0 x* e5 F8 a$ h& W LOCALE_SYSTEM_DEFAULT,* a, R2 T7 T3 A
DISPATCH_METHOD,8 A8 L* V; s8 O9 ?/ j
&dp,
$ |( ^6 C/ S7 q5 I3 b. r NULL,3 [! e" r$ ?& P7 v
&ei,
3 y1 S7 M6 F% W &uiErr);
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SysFreeString(topicStr);# G' F) m: Q% _( ?
SysFreeString(itemStr);( O9 M1 M- }' [! S
SysFreeString(valueStr);0 v+ ]1 k3 M- M% V
% {$ K2 e' o( z& n3 W9 l( 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???" J' B! E j8 I: I H
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????" s' ~9 ]& d2 a8 E" |
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2.这是request的程序
8 O- W- ^8 @' a: ~. ~ V; i// Request a value from Extend
& k1 f6 q0 H0 ~) a8 c/ s//
$ P5 _, s0 B, q8 ?! d// Initialize the variant that will hold the BSTR. Set the variant's
9 k" H1 C' A" }" [$ r6 C! W// type flag to indicate the fact that this variant holds a BSTR. Place the( b! i! O+ I# ]- D8 {7 c
// BSTR into the variant structure.
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; A, @! a" [/ e/ k: C( A requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 p' }0 N# B% W- }5 W VariantInit(&requestVariant[0]);
2 y4 A: F5 t( `' t0 k requestVariant[0].vt = VT_BSTR;
3 B( A' q9 W+ F requestVariant[0].bstrVal = itemStr;
% [, Y& y& H. i6 b9 l
% ]5 l1 s- Z2 B, r9 s5 n+ e+ R" \ topicStr = SysAllocString((WCHAR *) L"system");
7 {5 L/ Y4 Q; c3 q VariantInit(&requestVariant[1]); 1 S2 ^" L9 P3 Y3 T2 I) r5 c
requestVariant[1].vt = VT_BSTR;
: R" o$ a& ^; T" x( h. D6 J requestVariant[1].bstrVal = topicStr;
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+ Z P. D$ I7 X$ f// Set the DISPPARAMS structure that holds the variant.
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* U$ L: Z3 ?9 g dp2.rgvarg = requestVariant;% }* w, o+ W# H( ~6 E# x
dp2.cArgs = 2;
) w6 n# C, X- T0 G# i8 F dp2.rgdispidNamedArgs = NULL;, _8 T* K" A, S4 D) u& m8 ?
dp2.cNamedArgs = 0;4 J/ b, G: M0 T4 R, G
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var.vt = VT_EMPTY;
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7 P2 ?$ O- k1 s- }# n7 D// Call IDispatch::Invoke(). |7 V/ ~, @6 v! a0 ?+ S5 O8 r% \5 ^
7 E! i' p+ Q; b7 d1 N% {3 O hr = m_pDisp->Invoke(7 Y0 e9 ?- H+ t: Z, Z
requestID,
4 s$ C( s: U, R$ Z! z8 N9 h IID_NULL,
( g8 k! L7 V3 n LOCALE_SYSTEM_DEFAULT,2 B) I" k) m% w8 p
DISPATCH_METHOD,
6 T* h0 }3 g6 h. Q6 Z &dp2,
; D" R, d3 ?- D6 D, G. f &var,
) V1 |/ a! M2 K5 p &ei,
& Z. `; `6 f+ y( s I &uiErr);
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SysFreeString(topicStr);7 v$ e. c; c: ^ u1 a/ ?
SysFreeString(itemStr);2 j7 r1 |3 U6 d
请问该程序是获得extend里面的哪个值?, g4 f% b8 o, p0 Q5 D0 Z% J. 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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