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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:
8 {; A1 _- O# W) q6 z, nName = (WCHAR *) L"Poke";
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5 u$ N' g, ~: d1 V: f hr = m_pDisp->GetIDsOfNames (# u8 [8 q `+ w. Q- e
IID_NULL, // reserved
; a2 E, D3 ~7 h4 t+ U &Name, // Array of names to get IDs for& ]( `! o W/ }& a- }; q9 ]
1, // # of names in the array# }& e2 q2 @0 a
LOCALE_SYSTEM_DEFAULT, // System locale, `4 }7 z* ?; S# N# v8 w% |, Y
&pokeID); // Array of IDs to fill on output
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if (hr)8 g% X3 u6 X, i3 \+ E
{
) P+ G3 s+ R2 \ n7 C; E MessageBox ("Get Poke Unsuccessful"); q( u. ]$ O2 c* s' j' \. V5 \ Z
return;7 n/ e' g& U2 D; I1 c
}
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/**************************传递数据给extend**************************************/+ Z+ m9 W) e8 R$ v) ]* a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: Q1 Z2 z0 a+ W) f6 C% `1 C* y" {9 W
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valueStr = SysAllocString((WCHAR *) L"1232");' u/ ^1 } {2 b
VariantInit(&pokeVariant[0]); : H, [* R' u6 O8 F q/ d1 V
pokeVariant[0].vt = VT_BSTR;3 ^+ A4 b! u. s }; g, A) x" B/ n) n. \2 h
pokeVariant[0].bstrVal = valueStr;* J9 v: M1 y! p# j1 N2 D
- E: `( M1 d! A) T. b+ f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 a& n% ^4 h7 H8 U- P+ f VariantInit(&pokeVariant[1]);
& f' Q7 d/ o. D) X pokeVariant[1].vt = VT_BSTR;
- P7 k# H: ^! Q9 }7 h6 k pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");* d' U9 t+ V+ r; Z1 e
VariantInit(&pokeVariant[2]);
' I8 `1 W$ d7 R% D pokeVariant[2].vt = VT_BSTR;6 a/ @0 ]6 [# P0 ~; v( l, R
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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' h* l7 w0 _& {( F, ~5 q) M dp.rgvarg = pokeVariant;( n9 [+ s+ @: l" G: B: f4 Z
dp.cArgs = 3;
, @$ S" x: q- a dp.rgdispidNamedArgs = NULL;
- d( L; Q. k2 } Q) ^( s5 M dp.cNamedArgs = 0;
1 m) z: a( z5 s) y& r* ~
- f5 W) Y4 l* s: J8 r& |: S// Call IDispatch::Invoke()3 l! `0 F! a* M2 r# e) R8 U, ~
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hr = m_pDisp->Invoke(5 g) _3 { e' h# H3 T) _ K, j: f9 v
pokeID,$ G2 w9 V% D- F( O8 l6 f; \5 G
IID_NULL,
0 v1 u& m. J+ \6 _- J/ ?& n1 G LOCALE_SYSTEM_DEFAULT,; `* T0 i( P' q5 W9 [
DISPATCH_METHOD,' D& Q) M; y0 j! L) G
&dp,! n' p4 c: w* }3 ]" L/ A& ^
NULL,. b. c% G( W& f0 E5 _% a! u
&ei,
2 n) K) l" S1 a &uiErr);
* p* e: D0 q u# n; x' n r# r) F5 k' L+ j" y$ t/ r& B. u
SysFreeString(topicStr);4 a. w4 k( f9 ^
SysFreeString(itemStr);$ q) {3 S, G/ ]
SysFreeString(valueStr);% J% x. y/ k; w) x3 M7 t: g
9 U0 l% i/ ^, f2 _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???: b1 w1 G5 X% I5 E
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
Y0 G& h# c! f0 Q// Request a value from Extend
8 b! S4 i7 P! j" J$ `//: V9 j/ k W& y5 C
// Initialize the variant that will hold the BSTR. Set the variant's& ]9 z& a/ r- s3 @2 l
// type flag to indicate the fact that this variant holds a BSTR. Place the, w0 @& f4 R' U* H) P0 V/ v
// BSTR into the variant structure.+ V6 {0 K" c" e# {& \: p
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% `( g& y C5 W+ n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; s+ B2 S- E+ h5 J
VariantInit(&requestVariant[0]);
6 P0 ?( u+ F' f- V3 s2 B5 ^4 H requestVariant[0].vt = VT_BSTR;
$ l9 G0 }9 } L- v) N6 x g( d e requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); q. I; C) ]7 Q. M2 t( n
VariantInit(&requestVariant[1]); ! D5 r- `' S! o3 C3 K& A* I; F4 s' y
requestVariant[1].vt = VT_BSTR;
9 S& |& R9 [2 g. j0 `3 M& g' C6 P9 h requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. y( N5 G/ K1 b& T3 F( p
dp2.cArgs = 2;2 d: d- j+ z/ s0 ]8 e6 {
dp2.rgdispidNamedArgs = NULL;
( \+ K6 ?& |& B9 R8 R dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;: k5 c+ w7 `6 ^6 o$ l$ P
8 O% S! k2 @2 p9 o4 N% H// Call IDispatch::Invoke()* R" f2 x$ L3 Z1 l
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hr = m_pDisp->Invoke(2 b3 E+ `! Q7 ?! T
requestID,: r+ D0 h( s1 i0 K& O% q
IID_NULL,; Z5 u* O9 O6 O$ X
LOCALE_SYSTEM_DEFAULT,8 `: F4 B- S! }
DISPATCH_METHOD,, x) g" j# ^- L- X
&dp2,
. J9 ?8 ^$ b9 b0 d &var,( q" ^( \/ _! u! P$ A
&ei,
( }! k( e4 j' ^# o, G- R7 v8 t &uiErr);
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7 I* Y9 O/ n J i. c$ {( p" c- Z SysFreeString(topicStr);
- f* v5 ~: R# M$ D p+ { SysFreeString(itemStr);
" u) }% l6 y5 ?2 I8 n. h请问该程序是获得extend里面的哪个值?
+ d* ]5 W g* E8 U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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