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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:% }# \% ~; \4 u9 A& l% q
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
9 j3 I6 L& K9 a! B IID_NULL, // reserved
/ J5 X+ ^% [5 t$ w( y ` &Name, // Array of names to get IDs for7 g" n# ^7 J- x/ B5 Z
1, // # of names in the array) j4 x- Y1 Q5 G' c4 [, E4 Y
LOCALE_SYSTEM_DEFAULT, // System locale, b. f+ ]# ~# h6 a& r. _
&pokeID); // Array of IDs to fill on output
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x8 A' V, |: F* X9 C9 H& a9 Y if (hr)! E; P6 O; v2 Z! r$ \' [( k5 s
{
# t0 ^& [- N) ~$ l& I. U9 `' ? MessageBox ("Get Poke Unsuccessful");
& V$ [% n" @4 q! I7 t, G" | return;0 B9 q6 b! C4 P( E$ t
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/**************************传递数据给extend**************************************/, M/ ]/ R9 w r* z2 T2 Y7 c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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2 r. A1 O5 Y5 w valueStr = SysAllocString((WCHAR *) L"1232");
8 k2 I" z0 s. W u2 l$ g( ] VariantInit(&pokeVariant[0]);
1 g5 B, `, O+ z, A9 ~ pokeVariant[0].vt = VT_BSTR;
4 J: C+ b% O7 P0 n pokeVariant[0].bstrVal = valueStr;2 I5 O, _" e6 s- o1 Y. F# j8 K- M
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% w. ^, T' E# F$ {' q& V; W! U VariantInit(&pokeVariant[1]); ; L2 e5 A# d) j
pokeVariant[1].vt = VT_BSTR;
' s& r9 @( q' ~) A& ?. k+ b$ F; x pokeVariant[1].bstrVal = itemStr;
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+ \! \+ n* M; f, a, ^ topicStr = SysAllocString((WCHAR *) L"system");
8 R2 O X9 i; w3 `' C: d9 r. e+ t VariantInit(&pokeVariant[2]);
# d! H; L$ B3 L4 I7 i' N pokeVariant[2].vt = VT_BSTR;
! m+ I! i4 f$ m# s; @9 z; U4 ` pokeVariant[2].bstrVal = topicStr;$ A, K: D1 O$ W1 p
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// Set the DISPPARAMS structure that holds the variant./ r$ b9 M9 f& w! d$ j8 k7 e$ O. e
* F* a3 D% \6 C9 Q- n dp.rgvarg = pokeVariant; [ Q! g- U& ^7 d
dp.cArgs = 3;
/ d F: o' g6 z" q5 t dp.rgdispidNamedArgs = NULL;% ^& n9 L' G' Y' M: ]' @0 e
dp.cNamedArgs = 0;
9 V( r& S/ E& L; g
. c6 u: [# t! a- U5 ]/ E5 Y// Call IDispatch::Invoke()* a+ I& O% k! e, w' x! _- w8 A
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hr = m_pDisp->Invoke(- s6 K$ Q) u8 Q+ X% m
pokeID,
/ H4 Y/ P; }8 }* ]6 a! ^ IID_NULL,
6 \. h7 q$ o+ o LOCALE_SYSTEM_DEFAULT,. Z8 h, G4 H. X' C
DISPATCH_METHOD,5 ~0 h7 i& i3 Q7 W8 b# L: E8 z$ y
&dp,$ B4 A3 j0 D* E# v. \, T i2 H
NULL,
: B5 Z1 L9 k* {& s+ K &ei,' A8 @* M3 I3 B8 A6 ]! P
&uiErr);- n6 ~7 S# E$ j. E- m, e
+ T) G! ]: g* p; ? SysFreeString(topicStr);- I; Z% l4 G- n1 U6 U. p
SysFreeString(itemStr);5 _1 p7 f' q, Y6 ^1 U6 `
SysFreeString(valueStr);# ~5 e0 k# `: ]
, \1 c$ g; |3 o3 Q3 p9 M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???9 r5 q' q6 b+ J; E, 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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2.这是request的程序
s$ u, X& i0 V: h9 I// Request a value from Extend
4 J8 u1 a1 k, s. ^//
r. y0 w, {4 l& U+ L7 d// Initialize the variant that will hold the BSTR. Set the variant's
% p* d( c+ M6 n) B0 v' c( E0 m' X0 o// type flag to indicate the fact that this variant holds a BSTR. Place the
j7 K! Z" Q/ L0 W7 ?8 a; Q// BSTR into the variant structure.! s# y1 ?, ^ m |) R
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( _. Q ^2 s( `$ B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! _) i+ U6 O: ^
VariantInit(&requestVariant[0]); - v. V- w* {. x0 Z0 X$ h
requestVariant[0].vt = VT_BSTR;7 F/ D6 B& A% G6 |- K( T
requestVariant[0].bstrVal = itemStr;
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* I6 `' O) d! K0 C- w# O/ Z topicStr = SysAllocString((WCHAR *) L"system");
$ S: F K) n8 V p) r VariantInit(&requestVariant[1]);
: m9 T4 S4 z( [; d, E1 {1 c& B requestVariant[1].vt = VT_BSTR;
. A# s- H, Y2 s: F8 e* N B* o) ] requestVariant[1].bstrVal = topicStr;
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f: L- k5 D# r9 P5 U// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;% W' ]# @( n. g
dp2.cArgs = 2;+ T7 |+ C0 k/ R8 D6 N4 m) ^( r1 ~
dp2.rgdispidNamedArgs = NULL;% j( O# N$ B$ a* w0 W [
dp2.cNamedArgs = 0;6 {- G6 A4 \. M# D( j
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var.vt = VT_EMPTY;% S$ T& o |6 W) I) X6 n
- E% O7 f! N. |, y// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 L& Z9 L! S1 _6 N% D1 ^ requestID,
. @8 J* t Z* K8 y IID_NULL,
2 o& |5 B# U4 Z8 j8 N z LOCALE_SYSTEM_DEFAULT,/ ~" B" a1 \: _4 K5 h
DISPATCH_METHOD,. w$ M% b- Z( {8 ]6 f& ]4 r
&dp2,
+ T; n( C' F$ x9 w( b7 F9 q &var,
* u9 L! Y% A0 d! A0 j &ei,
. _1 q7 m+ @) N* d, g. O &uiErr);! S5 S! H8 w" ~9 l; A- _6 ?9 K
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SysFreeString(topicStr);
9 G* t* t1 y! G SysFreeString(itemStr);
1 s1 @' t9 L4 m; f: E! t请问该程序是获得extend里面的哪个值?/ ]* \- y, M# D- I- m
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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