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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:
& e1 D( S8 O! A- ~8 ]% LName = (WCHAR *) L"Poke";+ ?; O# F5 B' c& ~. b& @# z, a
# T3 h7 u$ [1 K$ N0 K9 u7 R* B1 G hr = m_pDisp->GetIDsOfNames (# e( i5 M/ v( }6 u
IID_NULL, // reserved$ Q/ c1 o& q9 A; g! Z% B
&Name, // Array of names to get IDs for
1 S& n/ I& H* v5 g2 k& D( u 1, // # of names in the array
: ~% b; ~! b# c3 W. ?0 w" M6 D/ ? LOCALE_SYSTEM_DEFAULT, // System locale7 S( [8 f# M7 {
&pokeID); // Array of IDs to fill on output
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l% z- |4 c; o. Q if (hr)
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MessageBox ("Get Poke Unsuccessful");
# t% j9 \8 i n0 B1 d" z; t# s2 t return;
S" g% i. h& B }
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/**************************传递数据给extend**************************************/
" f. B* }. e4 E pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 `2 z! c7 z+ j7 R m. P. S- A
' L% {& v& L( r$ f valueStr = SysAllocString((WCHAR *) L"1232");4 D3 q( ~' I& A& n' N
VariantInit(&pokeVariant[0]);
+ a$ A, h! W" l! y% _: B( z0 | pokeVariant[0].vt = VT_BSTR;3 t8 e; e1 W( m) K. p
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 E2 x0 N% ~5 T8 S% g! Q$ [
VariantInit(&pokeVariant[1]);
' M S# F) K L/ g) E0 q pokeVariant[1].vt = VT_BSTR;
" v7 j) t4 ~' d* l pokeVariant[1].bstrVal = itemStr;% Q5 h) t+ s7 E2 W
! h4 H; }4 S6 R. [5 _0 G topicStr = SysAllocString((WCHAR *) L"system");
# k- |& H/ U2 R) Y0 ?$ l VariantInit(&pokeVariant[2]); : q4 W6 {8 L8 G( J
pokeVariant[2].vt = VT_BSTR;7 O) U, a4 u; h* j& R
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.5 V" @# K9 h0 W0 o
: _1 c; I! W6 I* V dp.rgvarg = pokeVariant;
+ N: t$ h2 }1 q2 b dp.cArgs = 3;9 H( W( i n; O1 j+ ?
dp.rgdispidNamedArgs = NULL;
$ T! D+ B5 C! ` `, A) C dp.cNamedArgs = 0;
/ c1 l7 C, J2 p3 g5 ]# p5 N9 i
8 Q, m8 [$ l2 @# B( y// Call IDispatch::Invoke()' u# ]! e$ ?2 m* J/ S) K/ v
! _4 p: T5 s" s; j% ?. n- g hr = m_pDisp->Invoke(+ K0 Y/ o K+ i
pokeID,: m' X6 o6 F! F$ V
IID_NULL,
/ E/ y" @6 b5 g4 Y5 I9 Q LOCALE_SYSTEM_DEFAULT,
7 f9 ], p; b1 @4 B4 O$ w DISPATCH_METHOD,- W7 o1 O+ ^" @% Y- ]/ S) D
&dp,! s* ?" e- @7 Q d
NULL,' i9 a8 F; N( G8 E7 O3 |1 v; x
&ei,2 I% v: [" s" S& o) R. @
&uiErr);: F+ o! U3 N; d& x k* u# J
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SysFreeString(topicStr);7 u% T8 e' e" ]$ l/ U7 O; G9 }+ v
SysFreeString(itemStr);% k5 A$ b9 P+ E3 P7 ]. N
SysFreeString(valueStr);
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& }- h4 G* a& ?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???$ L) V N+ Y4 s' G/ M; I+ W
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3 u$ x: y' Q3 _0 t* s
// Request a value from Extend1 U# z. b4 L" U6 O, V
//& }0 Z9 f9 K7 v0 ~1 F
// Initialize the variant that will hold the BSTR. Set the variant's; x+ v& u) J6 n8 S. ~5 T9 D9 v4 }- m
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 t4 q$ W3 H3 ^8 z) N# p// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 T; a) L( N b: U W VariantInit(&requestVariant[0]);
. L) e; q1 b" ? requestVariant[0].vt = VT_BSTR;2 `. I, n( a% l" ?! A3 r. c& J) ]
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: V. p! j6 X+ q4 a6 h. u VariantInit(&requestVariant[1]); : _$ d* g3 U' o: k3 c
requestVariant[1].vt = VT_BSTR;9 r* H% |$ K5 T- I0 c
requestVariant[1].bstrVal = topicStr;
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# R, p# b# K! g+ x// Set the DISPPARAMS structure that holds the variant.
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/ d6 L; n+ n% G$ i, F" G dp2.rgvarg = requestVariant;
( w$ p2 w6 _/ c* h, }! d3 h5 w7 Y dp2.cArgs = 2;
4 F/ I Y5 F4 p5 x: { dp2.rgdispidNamedArgs = NULL;
0 M& S0 t) l3 g+ ~( C4 s4 ] J- W dp2.cNamedArgs = 0;
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U# H, t# \, n3 [0 [ var.vt = VT_EMPTY;$ H! \2 i/ ?# z) k- e
9 m! O3 @7 T# J, b) ?+ ?. k; Q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! `' g9 y/ k4 S/ w; o$ I1 t+ p requestID,% ]4 n* x0 ]' R! N/ h% R
IID_NULL,
! \5 Y: I6 ^' @* K+ ?/ @" F# W LOCALE_SYSTEM_DEFAULT,6 b* k& |( ~. I
DISPATCH_METHOD,& U3 @2 |0 a) R7 c: F* `( z! M
&dp2,
! I6 q/ N; L7 O &var,
9 l; ]8 h A7 ]7 y3 d1 C+ [+ | &ei,
" \0 |" ^: e8 a1 Q" p+ c/ j &uiErr);
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7 e8 P& R, V0 A SysFreeString(topicStr);
- p1 i' {/ z1 Y2 R) c3 A SysFreeString(itemStr);( a s% ^0 o3 K$ o
请问该程序是获得extend里面的哪个值?
7 h# F8 Q: q+ U% J1 j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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