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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:- c$ D9 `7 b4 ?3 d# e% p
Name = (WCHAR *) L"Poke";: g1 g# G/ i' H9 o
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hr = m_pDisp->GetIDsOfNames (
8 l5 R3 d1 O$ w& o4 u4 F" Z# u9 E8 s IID_NULL, // reserved
, D, C$ q5 l! F$ i: q4 ^! j &Name, // Array of names to get IDs for9 C3 u- N7 q9 U' Y5 l! b2 R( E
1, // # of names in the array3 y! A4 ?' V6 I9 Y8 ]
LOCALE_SYSTEM_DEFAULT, // System locale4 P2 y5 y! j1 f2 e/ N4 A
&pokeID); // Array of IDs to fill on output" E5 }% g% w8 p4 r
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if (hr)* U& e9 o0 q0 B2 F8 P C
{
1 q! r+ i; r8 y4 M$ G& L MessageBox ("Get Poke Unsuccessful");
/ q5 C5 u4 |# v: c. T return;
/ r( q7 ~( z; W+ ^5 A5 I7 Y }
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1 F% O+ ~9 P/ g# `/**************************传递数据给extend**************************************/
% K! C2 a' ~0 ~' v pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ q X! |5 u2 c8 Y6 [( U2 S: O4 Z
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valueStr = SysAllocString((WCHAR *) L"1232");( g; y" N5 I$ y- S# k& z1 X
VariantInit(&pokeVariant[0]);
! z1 a# I% i2 c$ \# {* x% o. W( Q# P pokeVariant[0].vt = VT_BSTR;
2 ^0 g. V# c& n5 Y& s5 v, ~ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" a+ V( a5 u" s1 x9 f
VariantInit(&pokeVariant[1]); 2 d) [( q' F" M' k! t0 N! @
pokeVariant[1].vt = VT_BSTR;
: h+ d/ ?% F; k. a/ f4 o pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");7 I( `) D; J1 C9 U8 ]3 Y
VariantInit(&pokeVariant[2]); / E7 f' z! E" ^% O$ h! n
pokeVariant[2].vt = VT_BSTR;
1 ]5 {( E3 G3 F' H$ e7 y# Q pokeVariant[2].bstrVal = topicStr;. ~5 x- e" X; D5 `
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
& B) O( M* [3 T$ u% n dp.cArgs = 3;
4 c- e, ~% p' t, B/ T dp.rgdispidNamedArgs = NULL;
+ t9 i' N/ r# o D8 g2 y6 j dp.cNamedArgs = 0;8 b: s; T, J; }5 S) N3 V6 R. o
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// Call IDispatch::Invoke()# I7 R! j: h) F- i
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hr = m_pDisp->Invoke() d4 V9 b( x' q7 g8 u
pokeID,3 w) O6 L' @' m
IID_NULL,' e# ~; M- B% J3 r& h* w8 ~& T. O
LOCALE_SYSTEM_DEFAULT,
`& \& C( U( m- X8 ] DISPATCH_METHOD,
3 \5 g8 F3 E7 u' A &dp,
$ P# N2 _ U# p0 w0 B$ ^ NULL,
4 P4 y C1 r2 o8 P: _" J# [9 m &ei,
$ b: S9 L+ ]9 U( o &uiErr);
( N. s. R. p* A) a/ n* U8 O) L! c2 o7 t( x2 Y
SysFreeString(topicStr);
% i2 Z2 @, P( w2 I2 A SysFreeString(itemStr); F: n& i4 Y! F y. l* _
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???" s! s) b; i* l* T2 e' Z0 x
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 w9 \. K0 d$ |# c- C/ ?/ R! O2.这是request的程序7 Q4 w- p) c+ c& r+ {6 y }
// Request a value from Extend! f+ S) P7 O6 G% p4 r6 p
//
7 V: f7 t& H, Y4 k// Initialize the variant that will hold the BSTR. Set the variant's. M7 N& d+ F2 F+ P7 H. x
// type flag to indicate the fact that this variant holds a BSTR. Place the
- C% }2 M% r- D9 J, }& F* e' P% P// BSTR into the variant structure.3 V, d }; B# m" T1 F* d B! p
7 N. | D" M+ a9 J4 a6 M6 [ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- T9 M: A A! } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 X. h, k2 D- h: H) K t VariantInit(&requestVariant[0]); 3 g8 p- p) E9 `% u% k d
requestVariant[0].vt = VT_BSTR;2 N8 o' z* P. ]/ X/ a5 z* Q# K4 M
requestVariant[0].bstrVal = itemStr;% s) G/ c3 R: q p* C3 }: k5 ^
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topicStr = SysAllocString((WCHAR *) L"system");
3 E6 E+ R; B% a+ [- L; F5 t VariantInit(&requestVariant[1]); / Q9 x. V" ?( ?+ N1 n/ n1 ~
requestVariant[1].vt = VT_BSTR;
6 d E8 L! S: ]4 Y& _" b requestVariant[1].bstrVal = topicStr;4 F8 E, O( d& r( f
2 ?- H& r7 b% \5 R1 `# G// Set the DISPPARAMS structure that holds the variant.3 y( W# L$ r! A, d; b( o
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dp2.rgvarg = requestVariant;
Z' R, P# n& ?9 P. _7 D' J1 r dp2.cArgs = 2;- I% ~& F! b, a7 N
dp2.rgdispidNamedArgs = NULL;
7 C6 C8 [6 U; s% h4 x, I, H dp2.cNamedArgs = 0;
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) v4 V- w" c1 ] var.vt = VT_EMPTY;5 `+ K& t" D% h, t
7 ~1 y) a0 o- S6 `// Call IDispatch::Invoke()5 h) ~" Q6 \+ _8 N+ O9 I% J" }; D
9 g8 N3 ^* ]5 R4 M% `8 r hr = m_pDisp->Invoke(* h# c- D8 L6 ? K
requestID,& c; j5 K( ?: |5 q' b Z
IID_NULL,# N% C' e3 B, H
LOCALE_SYSTEM_DEFAULT,! w# t" o" T2 R! U5 {% j
DISPATCH_METHOD," h$ y* W* A* r! D3 i' {
&dp2,
6 R7 W: s+ ~& W7 w &var,$ a N+ s( a* C+ N" t9 S- s
&ei,8 A. F0 N! a1 l$ f4 I" Q1 j
&uiErr);6 J6 u1 K* v* a% ^. h
& I3 x9 ^/ n$ T3 G. X; T SysFreeString(topicStr);. |9 G- O0 D$ i A3 t7 Q; S
SysFreeString(itemStr);0 V( F5 I8 N3 R" h( B- `0 ]
请问该程序是获得extend里面的哪个值?% r8 p+ p b; [3 Q3 r( u( W
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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