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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:
' ]* x- b3 Z9 t0 t$ _Name = (WCHAR *) L"Poke";5 R& u: q$ e3 o; ^1 a
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hr = m_pDisp->GetIDsOfNames (! \2 H4 E, Y S6 [; o) u( l; E
IID_NULL, // reserved
, I3 D! A+ g4 @7 h5 z; T/ D+ Q' | &Name, // Array of names to get IDs for' p: y' d. Z1 c; _: G: n4 s2 S
1, // # of names in the array' _- A7 J+ k# O
LOCALE_SYSTEM_DEFAULT, // System locale' L1 Q1 P+ \2 I$ m- K; h
&pokeID); // Array of IDs to fill on output
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+ F- }4 P9 T' A' g8 W' } if (hr)6 D! s( o! C- c. ^+ j3 y
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MessageBox ("Get Poke Unsuccessful");1 \* h5 g& r' Y1 o" O8 b& V
return;# N5 i: F9 K/ _' p
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$ v9 K# Q: ~4 L5 S6 a/**************************传递数据给extend**************************************/
! T3 }$ g2 A( k( W3 k$ |$ a& _7 J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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$ P f R9 P: }) ?) U" ? M' b valueStr = SysAllocString((WCHAR *) L"1232");
8 e6 a& e) v% |* p9 i# P% g$ o; }0 f+ X VariantInit(&pokeVariant[0]);
2 m9 R0 Z+ G; L4 L6 ]3 b% y pokeVariant[0].vt = VT_BSTR;# }8 J0 K$ u+ S0 Z
pokeVariant[0].bstrVal = valueStr;
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6 Y- Z* F- }- z1 n5 E7 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% |. [( q+ U! L! j( i VariantInit(&pokeVariant[1]); . M C0 X V2 B1 x5 C- ^( B
pokeVariant[1].vt = VT_BSTR;
# J1 D" l9 m9 A, {% m+ n0 y8 Q pokeVariant[1].bstrVal = itemStr;0 i; Q$ \! s, s/ a/ v3 x0 [+ a
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topicStr = SysAllocString((WCHAR *) L"system");
3 c) p. X# t' H3 E0 @6 i4 r' Y VariantInit(&pokeVariant[2]); * W2 F* z& k* G# A1 v' I
pokeVariant[2].vt = VT_BSTR;& h [6 C5 L6 E! _7 @
pokeVariant[2].bstrVal = topicStr;& |6 I, b" y; G
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
+ Z* n/ S5 e1 @ dp.cArgs = 3;
+ H& q' W4 t/ k) s- s dp.rgdispidNamedArgs = NULL;$ i. B5 r) z/ |5 p
dp.cNamedArgs = 0;2 D5 C! ]6 N, c; I
! Q3 N$ t1 c7 L5 }
// Call IDispatch::Invoke(). L) \& m& s$ [# [* P
2 s$ _- `6 f6 z2 W- i% N' ] hr = m_pDisp->Invoke(
) s9 |$ l. y/ Z( d$ e' d \ pokeID,8 R/ R0 f$ U2 b* S1 k
IID_NULL,$ w q$ c2 x9 C$ D( R
LOCALE_SYSTEM_DEFAULT,& C6 K" X, F1 k1 I
DISPATCH_METHOD,
5 q6 y% i# v0 f) N$ N &dp,+ g& p8 n2 y. A$ q7 ^
NULL,
0 Q: G# d8 N& B7 q" J &ei," @$ ?6 Y2 G. p, \* k
&uiErr);
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SysFreeString(topicStr);1 ?; r9 L$ n/ B; n" N
SysFreeString(itemStr);
% h K; o) O6 b8 `: t SysFreeString(valueStr);: `% J. H+ w" n( V' N# c3 F
5 _7 y6 }% i% W3 M, F% k
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???
. k8 f6 x( R+ Q0 v4 n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????' Q4 S1 ` }) E5 w6 D6 d
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% ]( {& N8 g5 m! B7 N; t, z2.这是request的程序
" ?* v6 c3 o) l( Y// Request a value from Extend/ \5 o W, s! Y2 n6 s
//' _! ^' g$ `( R6 |5 G: ?. X( y. R/ d
// Initialize the variant that will hold the BSTR. Set the variant's1 B# O) v3 y7 [, j1 k
// type flag to indicate the fact that this variant holds a BSTR. Place the
% S. A8 J+ \" h' o9 C! |// BSTR into the variant structure.
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' n5 X& k0 H8 A' q' n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- `6 e9 j# Q8 ]+ l
VariantInit(&requestVariant[0]);
1 {2 E% c0 O; b requestVariant[0].vt = VT_BSTR;/ X( v4 P6 W5 q- D9 h
requestVariant[0].bstrVal = itemStr;& T; w/ ~4 U6 X1 _0 L7 C
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topicStr = SysAllocString((WCHAR *) L"system");
7 U' B6 o7 f3 l2 l VariantInit(&requestVariant[1]); % o7 E6 ?9 K; c% U% ~
requestVariant[1].vt = VT_BSTR;" b' A# N% J+ b+ W
requestVariant[1].bstrVal = topicStr;
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' V; n* y r! o8 P0 M( s% o// Set the DISPPARAMS structure that holds the variant.
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0 e9 N3 K4 |: Z8 k( L2 ?+ k; a dp2.rgvarg = requestVariant;( m1 o( s1 K, O8 G- f
dp2.cArgs = 2;
, S. ?# X4 U" }% o6 y [5 O dp2.rgdispidNamedArgs = NULL;
7 j+ e# k/ K! {( Q dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;/ y; `. m* w9 I9 E
0 s/ I& I" e& M& s// Call IDispatch::Invoke(): X- P; I) i. o9 J1 k! e
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hr = m_pDisp->Invoke(% k2 j; {, T" @: S7 I
requestID,
+ t* Z3 z9 p9 N1 e* F8 R IID_NULL,
5 X5 G ~* n2 L2 \5 g6 S, D LOCALE_SYSTEM_DEFAULT,, x) d. A! J; q: G; [
DISPATCH_METHOD,
7 K' h0 D- w( c* G$ v: ?6 }) ] &dp2,& C7 E; B7 c9 x! {( b
&var,
. `6 H. R+ }" | &ei, j l I& S! W" S) \- D
&uiErr);
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) K. ?! q: Y5 O SysFreeString(topicStr);
+ {5 F" ~" u2 D6 _ v SysFreeString(itemStr);
9 E9 f& H7 x. n* f! F请问该程序是获得extend里面的哪个值?& S3 i" r- ~' H3 M3 `0 g4 `- o
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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