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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:* r; S- ~8 J0 l
Name = (WCHAR *) L"Poke";) Z: R) n, x5 `! `5 s- {# ~
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hr = m_pDisp->GetIDsOfNames (, w* O& m+ N; E/ p5 @, M( T' Z( q
IID_NULL, // reserved# e* ^. X3 r+ L0 C* |
&Name, // Array of names to get IDs for
5 T, \) B8 M! Q/ M8 ~ 1, // # of names in the array
! `5 }8 D- N- ?- V2 l LOCALE_SYSTEM_DEFAULT, // System locale
( T' O C; z$ y# J7 k" B0 @" g &pokeID); // Array of IDs to fill on output1 Q4 l7 w! F0 V' ^& y8 b3 o
' @0 ^! e- n0 K/ d% |9 p+ B if (hr)7 y" E# d. Y* x
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MessageBox ("Get Poke Unsuccessful");5 j5 Y( r) h. X- V9 E- D1 {
return;7 K# ?/ ~6 X, S0 U) U6 X" j
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0 w* g8 Y7 H+ I: Q! }/**************************传递数据给extend**************************************/
" g3 e% C" J7 D$ H pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 S d! T) K& L3 o; K
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valueStr = SysAllocString((WCHAR *) L"1232");
/ a8 F: t- ?! L4 v2 ?- _" A$ ~4 ^ t VariantInit(&pokeVariant[0]); ! z9 y$ Y% ]0 z; W
pokeVariant[0].vt = VT_BSTR;
& z9 U1 Z, L8 T. N* N pokeVariant[0].bstrVal = valueStr;5 ^0 e& v6 n1 B( K' k! E7 k: N
* j9 D$ v% q- r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ Q7 @5 p7 m: @4 r9 q
VariantInit(&pokeVariant[1]);
3 g4 U# A# U8 A0 ` pokeVariant[1].vt = VT_BSTR;& T) |7 n( A3 d, T& v- t
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; X% h3 Y8 d- `; v2 F, `
VariantInit(&pokeVariant[2]); 7 t: g* k) {8 ~( i7 n
pokeVariant[2].vt = VT_BSTR;! q, T$ \' ^; A4 v' {" y
pokeVariant[2].bstrVal = topicStr;0 ?5 a5 T& r9 k" Q
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// Set the DISPPARAMS structure that holds the variant.' d, {. \0 m- E% ~" n
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dp.rgvarg = pokeVariant;
$ P% d R7 \& l; O$ z. j+ j: ?% ^ dp.cArgs = 3;) e3 q0 w1 H5 s- _, f+ ?
dp.rgdispidNamedArgs = NULL;1 s, |- ^: b/ {7 a0 p
dp.cNamedArgs = 0;
$ h; ]* m1 l2 E X0 J, M6 m
( r; p+ i0 |5 J+ I: l% {7 P// Call IDispatch::Invoke(). Q5 J/ W4 p* F5 g2 F& _
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hr = m_pDisp->Invoke(
, p3 k; D: F' e pokeID,; Y! K ^! l- s; j2 B* {# m
IID_NULL,* d1 v4 P0 I9 ^2 H2 Z. ]% @+ b8 S/ E
LOCALE_SYSTEM_DEFAULT,$ C3 q" P4 E; |% F1 e. C1 N' |: a
DISPATCH_METHOD,
; t8 z$ j1 x) I+ Y &dp,5 R* t. c( |; c
NULL,& G5 N$ O, B% {' l. P
&ei,
& o3 P( D: ]7 f" J; W5 u/ e &uiErr);" Z, c5 c" N7 P' ]/ r& p
2 F% x: x9 l4 J% ~3 U) ~0 { SysFreeString(topicStr);
5 V# r% G) i5 [8 J: O g4 H SysFreeString(itemStr);
; Y$ ^: o- G) |+ Z9 q- H' R SysFreeString(valueStr);) Y! m) i: z1 F' G* d9 a
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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???) _5 R) u0 n7 M
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????* K7 h) M4 s5 e: t
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2.这是request的程序+ ]/ g' O: v* `. P
// Request a value from Extend
- q* F$ P/ d5 o, z+ `# s//
+ [$ W* F& a( v9 w/ x2 |// Initialize the variant that will hold the BSTR. Set the variant's4 C& ]% k2 j" Z& u8 I% x' z1 _5 K
// type flag to indicate the fact that this variant holds a BSTR. Place the3 ^" W) G; d8 M& D6 b
// BSTR into the variant structure.
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# q# S/ Q& R' V3 k, [7 f requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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6 L: V( O7 G) ~* e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. P# A; ?1 ^3 i5 o d- n VariantInit(&requestVariant[0]); : Y, l! G# m5 a3 I8 o2 ]
requestVariant[0].vt = VT_BSTR;
; E4 ~# J& Y1 u( i i; R# m requestVariant[0].bstrVal = itemStr;
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! u9 i% S/ s0 t+ g9 ^ topicStr = SysAllocString((WCHAR *) L"system");* D+ W- {1 S9 B4 ?
VariantInit(&requestVariant[1]); * l8 H" s7 S& {4 l1 l6 W/ K
requestVariant[1].vt = VT_BSTR;
9 J' t: V" }7 V$ @4 u requestVariant[1].bstrVal = topicStr;# o6 x( K' l' c0 [ Z( A& X! W
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// Set the DISPPARAMS structure that holds the variant./ f. E% q( o' ] M
) A5 H+ `1 e4 J5 I& v dp2.rgvarg = requestVariant;. j$ S: p/ L/ c6 W
dp2.cArgs = 2;
; R: e" B4 N5 E dp2.rgdispidNamedArgs = NULL;" i0 l# o2 _! [. H$ I! {
dp2.cNamedArgs = 0; Z9 h( m( b1 ~% q+ @2 f) Q
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var.vt = VT_EMPTY;6 v( }; v v5 ?( `: r8 x( Y+ w
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// Call IDispatch::Invoke() o, S9 J# _1 w# z! _4 Q2 P" e
% N1 C9 T# ]( L! U. |) E hr = m_pDisp->Invoke(5 \) w! \# m, \* _9 x9 I5 H# g/ L
requestID,1 @/ w5 t2 o$ N
IID_NULL,
( W7 }1 b0 {6 _ LOCALE_SYSTEM_DEFAULT,
* x4 t* g6 M, y j DISPATCH_METHOD,1 j2 E3 O0 R( {1 I, J
&dp2,! L0 Q8 B: S' O8 x6 S5 P
&var,
4 D" Z; q) F/ F; u4 U, ]: J &ei,
' K: T% }0 f) P, L! A& C; G3 M &uiErr);* U5 p6 C3 |* H1 }
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SysFreeString(topicStr);: p6 O( c3 {) V8 F9 T+ |
SysFreeString(itemStr);6 X! G0 U/ H8 R* y1 m5 z2 ]
请问该程序是获得extend里面的哪个值?
1 w* A, k7 p! I+ R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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