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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:
4 G6 k, p9 e! X, k! FName = (WCHAR *) L"Poke";
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5 \3 c, W( L/ P5 d hr = m_pDisp->GetIDsOfNames (
3 Y9 Z* Y, ~. N; b IID_NULL, // reserved
! x" `% k2 z( b% w o &Name, // Array of names to get IDs for
A4 f! e1 x) z' Y 1, // # of names in the array. _, T* g2 c* J% i# R
LOCALE_SYSTEM_DEFAULT, // System locale
+ {- r5 }1 H8 g( @1 u &pokeID); // Array of IDs to fill on output
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, l X" W8 c' S0 m, n0 {% q if (hr)6 G- @; _5 i% D/ T! e) O' _
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MessageBox ("Get Poke Unsuccessful");
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/**************************传递数据给extend**************************************/ h* F" [0 P6 \1 d4 P1 _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
$ Z0 g3 ?- o$ J5 g8 L! D0 K" C/ o VariantInit(&pokeVariant[0]);
2 Z$ r3 z( R3 p- n! x pokeVariant[0].vt = VT_BSTR;" {% p* q0 w$ {4 q7 R9 f; o
pokeVariant[0].bstrVal = valueStr;
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: C: d% A8 K( P( d. S; c5 L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 d3 a% ]2 m3 c: _8 |$ b
VariantInit(&pokeVariant[1]); ! V+ J Y2 a$ v) Z$ n3 \0 h
pokeVariant[1].vt = VT_BSTR;
2 ?$ R4 R! m' N' ] @( m pokeVariant[1].bstrVal = itemStr;* q: H( U |# E/ [+ y O' W
) y9 L, M1 R' g( M- t8 W topicStr = SysAllocString((WCHAR *) L"system");
3 l4 \8 d. o$ N% k! j) l VariantInit(&pokeVariant[2]); + Z$ r5 q+ _& J z1 P% n+ Q9 F
pokeVariant[2].vt = VT_BSTR;
+ ?9 ~+ `7 N# G pokeVariant[2].bstrVal = topicStr;
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* Q9 d J' P. D& {$ G// Set the DISPPARAMS structure that holds the variant.
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( Z% w, I1 a" ^6 q! w9 Q1 x" K; d dp.rgvarg = pokeVariant;
- L, F9 R. ?- ?! W9 o6 {/ E dp.cArgs = 3;
8 S* o3 v* y$ h# }: ~' k# d dp.rgdispidNamedArgs = NULL;* @1 K& O. h" W
dp.cNamedArgs = 0;- i" J& d2 c- p3 ^
% W u, @$ N) @8 C- y O, t: X6 g! g// Call IDispatch::Invoke()0 d0 e4 l7 Z5 L4 I* T" d
/ F4 k+ ~4 e& b( T; W hr = m_pDisp->Invoke(
3 s( L4 @ l1 a; T3 c" \ pokeID,6 F+ q8 z A6 f
IID_NULL,
# r5 b: @2 H3 B0 u LOCALE_SYSTEM_DEFAULT,, ~1 W5 |7 c/ m2 K [! f
DISPATCH_METHOD,
. w3 E- E$ _5 [( n s( |' P &dp,
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&ei," q5 M$ P7 [" V4 a( v/ ?
&uiErr);
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SysFreeString(topicStr);) b/ v, r3 H m) s# g6 I" @) d% w2 O
SysFreeString(itemStr);
: t9 k. _! a! i6 K- t 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???# u8 e0 [+ M3 a" s
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" Y9 m1 m& V: m7 o) ^ t5 G( U
// Request a value from Extend$ R \/ ~ r7 ?
//4 S+ s1 B8 `2 M5 {7 J$ c/ D- z8 J1 N
// Initialize the variant that will hold the BSTR. Set the variant's
z6 [7 p9 D9 v+ ?! \. C' ?2 V# t% N A// type flag to indicate the fact that this variant holds a BSTR. Place the) @& J" k" o1 n7 i5 U
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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$ d \6 R2 E. ?; j6 F9 X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" i; X) p+ `* s: B2 S# L VariantInit(&requestVariant[0]); : u# ?8 B" Y6 m# t2 r
requestVariant[0].vt = VT_BSTR;
_; d* s6 f1 S requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& b3 y2 J4 N8 x3 n' x VariantInit(&requestVariant[1]); & |2 w1 F; w" j* t: B1 R. e/ E$ b
requestVariant[1].vt = VT_BSTR;! [2 X! O" m6 K( t
requestVariant[1].bstrVal = topicStr;# u1 }: `, U! b0 G6 v$ d* \
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// Set the DISPPARAMS structure that holds the variant.
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8 i- _, T- N4 D3 s. P dp2.rgvarg = requestVariant;
$ O& r( E( q# K, m' N3 T! F! O/ X5 N dp2.cArgs = 2;4 j! P: p* x8 f/ O3 ~7 n4 A
dp2.rgdispidNamedArgs = NULL;" x v+ `. N% ?9 Y3 d! |
dp2.cNamedArgs = 0;( V& Q+ H# n+ ~4 |
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()7 n+ @: R0 N' i# _1 G( Y6 Y
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hr = m_pDisp->Invoke(' D0 l. b% H- o
requestID,
2 T2 Z& u* _1 k- p- ? IID_NULL,
3 v6 m# _7 B2 G0 R5 s3 n$ g LOCALE_SYSTEM_DEFAULT,9 @# C* b/ W/ z: l' p+ I. S& C, f
DISPATCH_METHOD,$ h/ e9 _5 o }/ T
&dp2,
, S' j; ]9 z4 J &var,- g; E% @1 B) i6 k U
&ei,
$ ~ f- w2 D9 p g( r &uiErr);& r: L2 f9 g8 s! w3 `( L- H* B
2 ?+ a" C1 I- @3 V: l8 w" B5 d SysFreeString(topicStr);
. Z/ n. E8 p- C, I SysFreeString(itemStr);
, B) S" c8 W J2 R/ n% a# L请问该程序是获得extend里面的哪个值?5 b/ f; H6 K; J( V' Q/ e* o6 m8 U( D
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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