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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:9 P6 n/ D- [1 t& m6 k
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
2 x1 f( s# O; ~2 C& \ IID_NULL, // reserved" g' i* A: L$ Y' d2 [' v
&Name, // Array of names to get IDs for4 P! X7 p" c& y! D {: J
1, // # of names in the array
[9 z! u+ s( U. l2 w8 P LOCALE_SYSTEM_DEFAULT, // System locale( q( c9 w' O# S+ L
&pokeID); // Array of IDs to fill on output8 p; u3 N: v/ n: t# b! q" R
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
# @9 [! p4 q. j9 _$ n return;8 X I1 A4 x5 M
}
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/**************************传递数据给extend**************************************/
T5 G* [ B6 c2 ^$ v pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 X ~9 R3 s! m8 j
+ A; I8 }. y& }) b9 M valueStr = SysAllocString((WCHAR *) L"1232");
" F! p* h& @9 `% B3 D" U% ?; A+ G VariantInit(&pokeVariant[0]);
1 l- |: j. @ {3 O pokeVariant[0].vt = VT_BSTR;
! e8 q! {2 j/ I7 v, Y pokeVariant[0].bstrVal = valueStr;
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, R- E0 f. x. B: t/ [6 x# k) A- K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 J* d0 I8 N; t* p6 y VariantInit(&pokeVariant[1]); 7 K' _8 Q/ m; P% D
pokeVariant[1].vt = VT_BSTR;/ n8 N( K. d. ]' K5 E7 b' q* ?
pokeVariant[1].bstrVal = itemStr;1 e+ Q/ [, c, T& u: {
: T1 T+ X4 j l, I# q" O topicStr = SysAllocString((WCHAR *) L"system");6 \0 U/ }% _. `4 i/ X7 O+ C8 r
VariantInit(&pokeVariant[2]); L- n% f) K! Y) @; d4 S
pokeVariant[2].vt = VT_BSTR;6 i& P E5 h, I! f/ `
pokeVariant[2].bstrVal = topicStr;
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/ g" q$ i* S0 Z' w, f% X" T) }/ j// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
' b: H E) l" L3 X dp.cArgs = 3;+ q* ]" u* u: P0 x% `
dp.rgdispidNamedArgs = NULL;. F+ q; I3 z( I6 h
dp.cNamedArgs = 0;
# }; N& t/ v6 C' {: S S7 |
$ b( J5 t6 M7 M' E- a3 n# V// Call IDispatch::Invoke()! p! b. S' R9 A
5 C' o, s* c- n: L/ i hr = m_pDisp->Invoke(! `* V; J5 i# H& g+ A( `, N
pokeID,
7 W3 d/ y9 U O8 z* d m IID_NULL,
# i0 m' m% }- Q! ]. v& I LOCALE_SYSTEM_DEFAULT,
+ m$ b! l1 a; d6 t8 F DISPATCH_METHOD,
+ k+ p/ j) m0 r f+ O; ] &dp,! `- W/ B. Y% G3 D3 v
NULL,
- J+ o3 Q& d, D0 n% I &ei,
; \4 {7 ]* f4 ]( O( {$ M( M: J &uiErr);
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) C, `" r+ b8 z) ]2 l* _/ h SysFreeString(topicStr);; j* R" ?9 ?; [
SysFreeString(itemStr);
% r1 T% D# u; q0 b& U SysFreeString(valueStr);
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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???
# _8 `+ H: H+ F7 W) b- U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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2.这是request的程序4 M. [# j$ T/ l) S4 W( M/ Q1 {
// Request a value from Extend
2 @$ e" m: k# O//
1 N2 Y1 A8 b7 C* `// Initialize the variant that will hold the BSTR. Set the variant's
" |" q# i& y! p! ^8 g6 [3 o- g// type flag to indicate the fact that this variant holds a BSTR. Place the
9 z% W1 b. @. H3 H! Z) d6 `// BSTR into the variant structure.
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* N: ]( t+ r( D @ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! I% o1 K4 S. q% i" D3 I9 }
* w( m6 | l. g1 V. E3 ]: V* m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( B2 m4 |$ L5 {# F
VariantInit(&requestVariant[0]);
& {! J% m2 r% `0 _3 N1 G& u# y6 s requestVariant[0].vt = VT_BSTR;
% d6 P3 x0 v) Y6 [ requestVariant[0].bstrVal = itemStr;/ `( {2 Y1 C$ Y$ P4 D* ~
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topicStr = SysAllocString((WCHAR *) L"system");! ]8 F5 N7 ^! h, P) S# ^0 T$ U
VariantInit(&requestVariant[1]);
, ]4 F+ y1 N3 g6 D* z5 S: q0 m/ A requestVariant[1].vt = VT_BSTR;
3 ]- S; ~6 i3 Y' J requestVariant[1].bstrVal = topicStr;$ ^/ k# J! a3 Z. ~5 m6 P* `8 s& z
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// Set the DISPPARAMS structure that holds the variant.# L) m1 w b8 W6 D# o) a2 R
( A; i! t, Y0 H4 o" n% i dp2.rgvarg = requestVariant; S1 n- b: C. F1 [
dp2.cArgs = 2;
8 S/ L( j8 `$ U3 l$ P" I dp2.rgdispidNamedArgs = NULL;
; s1 A* N3 h. `" G# U2 v dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;" P3 h" W; V1 A; e, C& I
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// Call IDispatch::Invoke() v0 r1 o2 ~7 k; ?1 c! I
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hr = m_pDisp->Invoke($ X) H9 G9 `0 Q' G6 @
requestID,
- _8 r% o, @+ J2 _9 s6 B IID_NULL,4 _ [ f# M6 u2 W, C5 i
LOCALE_SYSTEM_DEFAULT,
, a+ P& y' c" R+ e" H DISPATCH_METHOD,- s! ~; O4 ~/ _" z! P6 J4 i
&dp2,
% t* E3 p. x2 V: ^9 C% S &var,
* |7 B: U8 _, H8 A# j &ei,
6 M* Q0 t0 Y, f &uiErr);
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SysFreeString(topicStr);
, k* L: z! r: F! a3 I5 r) j6 L SysFreeString(itemStr);3 C1 P5 k- Y5 x% V K/ ~
请问该程序是获得extend里面的哪个值?
9 v3 T; S% w7 v! z: ~6 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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