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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:0 W2 V1 V% _. H8 D
Name = (WCHAR *) L"Poke";2 L' o3 w& P, P* p x- N& q" L: l9 Z
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hr = m_pDisp->GetIDsOfNames (( C; W' B+ d- T0 ]- m% [
IID_NULL, // reserved: Z5 e% k9 ?+ `0 a) t
&Name, // Array of names to get IDs for
$ k1 v1 m: I9 x 1, // # of names in the array
& C* ^# j* K& A* b LOCALE_SYSTEM_DEFAULT, // System locale; G2 T5 E c' Z$ l. h0 p- u0 Z/ ?
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");7 Y6 \, z* M7 N; X
return;; _- ]* \% i5 x. @1 u
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+ E; b# P( ]0 o1 B2 K3 c1 b: w2 \/**************************传递数据给extend**************************************/
3 ^5 V6 L# U: H pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 U' D6 `+ g+ p$ F; W
/ f; x: S" V; j3 ]4 G# H& i valueStr = SysAllocString((WCHAR *) L"1232");
0 r: B% y. O' {4 Y E$ | VariantInit(&pokeVariant[0]); 6 m% c$ o) ^8 _( b/ Z
pokeVariant[0].vt = VT_BSTR;; e% Q$ }! Y; J6 z9 @
pokeVariant[0].bstrVal = valueStr;: B6 v" N* y* L6 x6 y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) ` b1 y. h- r. Z# C9 B. Y4 r
VariantInit(&pokeVariant[1]); : ?5 i& \ H" }2 P) ?
pokeVariant[1].vt = VT_BSTR;
* p9 X, c; G7 n0 h6 U+ g pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
+ [! ?* n7 C# N/ B& k2 H VariantInit(&pokeVariant[2]); ( g6 f0 H& k4 P4 g+ I( H- ]/ G; U$ D
pokeVariant[2].vt = VT_BSTR;
" b3 N ~* q i5 {- ]- w, m pokeVariant[2].bstrVal = topicStr;' w, X" S8 }1 C9 e0 @( l2 o9 x
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// Set the DISPPARAMS structure that holds the variant.8 K7 w4 V" @: ?2 y' A; B
( Z$ u- ^: Z# _! I6 V dp.rgvarg = pokeVariant;
8 A8 m/ ]% H/ f" N0 h) D7 l4 a dp.cArgs = 3;- O( `3 j* J2 F. S$ T
dp.rgdispidNamedArgs = NULL;5 v; u* A& q, {: M# A/ \2 a- o
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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# @" |0 x' X1 x1 U0 z hr = m_pDisp->Invoke(
5 S. L3 U$ D Z" X pokeID,- Q5 x5 k8 h- n5 G: Z, E( h
IID_NULL,9 d: y/ H' }0 n7 ^8 o. j- ?
LOCALE_SYSTEM_DEFAULT,
! n5 o& z! p1 n" j DISPATCH_METHOD,* Q) R1 E; }( d7 F8 n1 B9 _ _
&dp,
9 O6 Z# \2 ]( N' f8 [ NULL,1 ]+ t a/ T- Q P7 B
&ei,
! F' D; I" Y/ a &uiErr);
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3 N: W# C0 y# V& u SysFreeString(topicStr);: f5 ]% Y8 _2 E
SysFreeString(itemStr);5 C! Z8 P7 v4 R: @
SysFreeString(valueStr);
) _8 ^$ m' \1 a/ p1 ?
% W% N( t# p4 j* k5 p. ?" b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???) G5 p2 `! D( C$ z5 W8 l
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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) e7 R+ \7 r) k. E) s B2.这是request的程序- I( j3 H8 ^* C F0 T. ?
// Request a value from Extend" }2 J* ~+ H# ^1 ^& _3 t b
//
* d0 @# }) `% K& C* \- f: C: p7 t+ y// Initialize the variant that will hold the BSTR. Set the variant's
& h( y. N) [& r0 a0 V9 l// type flag to indicate the fact that this variant holds a BSTR. Place the
9 |5 `' d/ }' ~, P* \// BSTR into the variant structure.2 r( A D: H* W1 B. L% G# E
% m/ M( n: S: v/ e" p5 k' E' E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 ~4 ]3 p' S% ^/ L* y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 Q: Q0 p7 Y) Y* q; u" j, G7 I VariantInit(&requestVariant[0]);
8 T% H0 }0 s( n- C, b) p5 X4 C# c requestVariant[0].vt = VT_BSTR;5 S: t Q+ j R; f
requestVariant[0].bstrVal = itemStr; x% F, z( d. N" C3 Q: a
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topicStr = SysAllocString((WCHAR *) L"system");
3 S+ G' s' p) w% F VariantInit(&requestVariant[1]); . h+ q) C/ Z0 b2 q. E/ F% o
requestVariant[1].vt = VT_BSTR;! [# ^ l! R. d. n6 m
requestVariant[1].bstrVal = topicStr;
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4 U9 N. U, b$ b// Set the DISPPARAMS structure that holds the variant.
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: s, z7 Q+ f: G! { dp2.rgvarg = requestVariant;
! z! s4 m3 h" b+ H( E dp2.cArgs = 2;- x. }+ V3 N5 p5 T, v
dp2.rgdispidNamedArgs = NULL;7 Y) x- a# J$ G8 T7 S; x) `
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(): O# |- G' Z+ }$ D
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hr = m_pDisp->Invoke(
4 p) p# e. h! [' r requestID,9 {5 l8 x* i; ?2 e n _$ ]
IID_NULL,. `% Z! p* V& ^" V2 Y+ X
LOCALE_SYSTEM_DEFAULT,
0 X5 k3 ]! w1 `- z4 \4 S DISPATCH_METHOD,7 Q& G! C9 k$ Z$ }. J7 C& J
&dp2,
, t4 e% L8 B$ F, o) y" i0 T+ B &var,
* T$ _) R# {: C& Q( g &ei,+ Q* L( e' |# Y- v( C' e' E
&uiErr);9 U$ H( k5 U7 u& o
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SysFreeString(topicStr);
) J# m0 C' h, X: Q" g0 l: ^ SysFreeString(itemStr);+ D$ n0 L! }/ ]) k
请问该程序是获得extend里面的哪个值?4 N$ X' H0 A7 L: ^# F
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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