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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:* Q2 S: H/ ^* n5 c2 @# V
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (0 f* R( a$ b; @$ p O6 v( v
IID_NULL, // reserved
* Z; `* p. j; X/ _6 a &Name, // Array of names to get IDs for
, T- S. K: L! I# E+ u 1, // # of names in the array6 _% i/ M. p9 ^ `
LOCALE_SYSTEM_DEFAULT, // System locale
/ H" K" Q3 m& a" h3 W* c2 e% ?" o &pokeID); // Array of IDs to fill on output
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if (hr)0 B9 i- ], o9 L+ y" n. m
{
2 A9 O, S6 ?! O& f. W C. F# c MessageBox ("Get Poke Unsuccessful");8 `; N2 a( c2 K
return;
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& D. N. F4 r/ ?" ~; y" M0 N/**************************传递数据给extend**************************************/
- z3 e( u5 A9 A. u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( e! D# m3 F2 E% v
. X2 C% |% P+ g4 q/ Q3 @- Q valueStr = SysAllocString((WCHAR *) L"1232");; `6 S' z# Z6 i4 Q4 x! R N
VariantInit(&pokeVariant[0]); 1 u! h# l% Z7 I) ~4 Z! L8 R
pokeVariant[0].vt = VT_BSTR;4 ^& v7 e0 d) V! s& t" M
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# c: P8 `/ s- ]: }" Z" I a VariantInit(&pokeVariant[1]);
7 P* ^/ i. m y0 X: d pokeVariant[1].vt = VT_BSTR;( G) ^* U9 F4 i Q& B( f
pokeVariant[1].bstrVal = itemStr;
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# ?; r; k) f% O9 E2 a! }1 y topicStr = SysAllocString((WCHAR *) L"system");
/ V/ V. ^0 O. P8 H. D$ `& r& z VariantInit(&pokeVariant[2]);
! H+ T6 W: O7 J5 I1 T! { b* ^! E pokeVariant[2].vt = VT_BSTR;
0 P2 X/ U: g5 v7 H" R4 c/ u$ L pokeVariant[2].bstrVal = topicStr;/ g( V: O. M0 f% m: U
7 W0 N, F# N) s' ?8 M. @7 I' p' m7 X// Set the DISPPARAMS structure that holds the variant.
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5 t9 o8 j. O# G! S4 v6 A# w8 X dp.rgvarg = pokeVariant;
) t- F. ~) c! _$ T) M: \7 [ dp.cArgs = 3;+ l! u) j) H7 y6 y! n N) N+ H* \
dp.rgdispidNamedArgs = NULL;
/ R3 f3 r. o* x: F4 {' T2 o$ G* Y) j dp.cNamedArgs = 0;
* \; ~) d# \ a) K y( k, n0 _5 {3 t# w
// Call IDispatch::Invoke()% Q1 J# s& J. p" l! x
5 N a; n% v! M5 b( H2 L/ l* v7 K hr = m_pDisp->Invoke(' h" H/ K$ k# z- x. ?( r
pokeID,. j- M- z7 d4 g4 O5 s$ T1 R- v, _! B
IID_NULL,
$ l4 C0 [. `& J- j7 A1 O LOCALE_SYSTEM_DEFAULT,: g& F8 F; }6 d8 H; S
DISPATCH_METHOD,7 d, O: L7 _3 Q! O2 l7 b
&dp,. u' ^( P5 A; U1 Z+ a
NULL,
1 @* i; T' u6 d &ei,3 `3 E8 T8 ?2 K& G6 a0 }
&uiErr);" K9 \* ^# s) G
. s/ x4 o1 Q+ C: T; T* i SysFreeString(topicStr);- }8 D, P8 b' _& p; e" l! p9 \# [
SysFreeString(itemStr);
. h+ f- |, y( [- @, d& Q* [8 J SysFreeString(valueStr);3 F( ? }& Z% `8 N
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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. _# ^: w! o/ e; i/ t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????% d5 G, P. L% y" S
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2.这是request的程序
) ~2 f3 z2 x( A0 [// Request a value from Extend# i A6 C/ l$ d' V
//; I+ \+ \# M. T e3 E5 { ?" W# R" ]5 L
// Initialize the variant that will hold the BSTR. Set the variant's* G0 x1 O% ~8 |0 _/ l/ H: N
// type flag to indicate the fact that this variant holds a BSTR. Place the- J' k7 [5 I9 ?* F+ o3 e7 U
// BSTR into the variant structure.
+ [( L; \8 G! r: ]4 @+ [( h: u/ e: e, D9 l5 h4 M6 A4 f2 i; l) H. c* ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; Z6 k( ^) X3 z9 r# T: b1 R
VariantInit(&requestVariant[0]);
Q- F( P; q [: i$ }$ C" Y% M1 W requestVariant[0].vt = VT_BSTR;" [( m7 n2 \$ V7 k! e( Z( b" N
requestVariant[0].bstrVal = itemStr;' K% n q* X+ h: k5 B
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topicStr = SysAllocString((WCHAR *) L"system");
1 U: Q" {1 |& V }1 }( d" B VariantInit(&requestVariant[1]);
: ~% n- K! f2 g3 p: R8 ^5 D+ l requestVariant[1].vt = VT_BSTR;
1 v$ _$ `$ V w requestVariant[1].bstrVal = topicStr;
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5 f1 B& ~6 t# G5 A7 e// Set the DISPPARAMS structure that holds the variant.
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& m, k3 n+ \6 L0 M. d dp2.rgvarg = requestVariant;+ e" l% a8 Z- a3 G& ~5 O
dp2.cArgs = 2;5 r) Q- ~$ [# }; c0 V
dp2.rgdispidNamedArgs = NULL;9 f7 M! |4 z% u) i B7 ~6 E" s
dp2.cNamedArgs = 0;
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0 U0 g" o) V2 E) D2 |7 ] var.vt = VT_EMPTY;7 G8 B6 W ]# b
8 _/ ?0 H) H) J% n4 ~ X9 @// Call IDispatch::Invoke(). Z" E$ X" u! a$ A1 \& x; D
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hr = m_pDisp->Invoke(
: R8 D8 D: `+ k requestID,
* A0 p. \0 w5 |$ e6 L8 a IID_NULL,0 X- J" M9 K4 l) f5 U( U% B3 ?4 v
LOCALE_SYSTEM_DEFAULT,) `6 @$ [( O! }3 a: K% B
DISPATCH_METHOD,' S% K# N: `3 \3 t
&dp2,# F# F, H& y- g" P% L& w* @/ L
&var,3 h- ]6 I9 h$ r( C2 y8 |
&ei,
- r0 l- M$ w3 D3 p4 P* }) N% h &uiErr);
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SysFreeString(topicStr); |* Y7 W( v$ I+ y% ^# L' X
SysFreeString(itemStr);: N }2 b% x. \6 [8 G8 r3 s% Y
请问该程序是获得extend里面的哪个值?
/ G% d2 f' c+ I8 ]8 z8 L5 k" |7 G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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