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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:
- c. G, U- y6 ~ Q( }' z9 jName = (WCHAR *) L"Poke";
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4 L. V% v7 V! Z3 V k hr = m_pDisp->GetIDsOfNames (3 v$ [( ]. ~# ~$ Z& G+ U
IID_NULL, // reserved
0 d; O. E& H" }" k. N &Name, // Array of names to get IDs for" e2 G |! v; _5 b! s$ ]
1, // # of names in the array
3 Z% T& g& H/ O0 ^) M LOCALE_SYSTEM_DEFAULT, // System locale
% E8 B$ l1 x" \0 \. T &pokeID); // Array of IDs to fill on output
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if (hr)
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, Z) V! }0 k. v6 ~. z8 @ MessageBox ("Get Poke Unsuccessful");
5 A1 c) {/ c( H6 ~% a5 }8 ~ return;
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; X- p7 ]& n/ L: e# B9 A. f) R/**************************传递数据给extend**************************************/; S n/ k0 s5 a$ D
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
7 [% ]. F0 t+ Q/ e
; K' G% Y" g$ s% C7 @) z valueStr = SysAllocString((WCHAR *) L"1232");; c" X6 _ ?0 Y1 I$ C
VariantInit(&pokeVariant[0]);
) \, z# B' c* N% a% M& L$ R pokeVariant[0].vt = VT_BSTR;
3 a, X7 O1 M2 P8 }0 {/ P8 [ pokeVariant[0].bstrVal = valueStr;* H+ R M' h" _+ ^, x" w
# _/ c5 K: y- g; K' d) U- l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 }% N$ \$ O( a, v D5 a VariantInit(&pokeVariant[1]); - l! e0 R3 f( h- L
pokeVariant[1].vt = VT_BSTR;) X! A$ H f$ _$ v( [$ G8 ^) j9 ~
pokeVariant[1].bstrVal = itemStr;
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4 q7 q& H( j$ X* S- } { topicStr = SysAllocString((WCHAR *) L"system");
5 v& a! j* p9 Y VariantInit(&pokeVariant[2]);
$ O$ T- z0 i2 j0 } pokeVariant[2].vt = VT_BSTR;
8 ~* X3 V* b6 s pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 v9 _0 U& n4 c; ^+ K4 {0 }4 [2 y dp.cArgs = 3;
$ ?2 v5 `0 U: V( H3 z$ y6 J dp.rgdispidNamedArgs = NULL;9 _2 G# Y b9 n! R
dp.cNamedArgs = 0;
% a" J, l8 S+ v+ U { i
8 C) L6 w$ R4 v2 D3 s' A// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
) t( q# P5 b! c0 v5 o$ U pokeID,0 K7 p7 g' p& I* g+ ?6 C4 J8 ^
IID_NULL,
( r- n- ^1 Q! v* K0 @ LOCALE_SYSTEM_DEFAULT,
( f# e# G8 s; M. X DISPATCH_METHOD,
& A+ A5 v3 m. z) X* I" I &dp,4 O4 l' m2 E s8 h: Q, h
NULL,' Y# K; l/ @& L2 w) X/ Y
&ei,
# l" [% @: p# Z K& E+ h6 j &uiErr);
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SysFreeString(topicStr);' U$ f8 Y+ j% H6 H5 h8 x7 F
SysFreeString(itemStr);" `) P) V# g: S: E& I& Q, d; e
SysFreeString(valueStr);0 S* F8 Q" i- i8 e0 t) o" G1 r* O- J: C
1 O- [4 s! I$ k9 x) Y! 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???
7 K) _+ p; E- e# I' h* o- ]2 U2 q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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# X, X* k% ? Z7 s9 I) c$ J+ r+ @! Y% G3 o
2.这是request的程序
5 L i! k: A% u8 u6 V R# `2 O) G// Request a value from Extend
! i. C$ Z6 x* B//
5 }: M y* T' X% Q1 b) s1 B" T// Initialize the variant that will hold the BSTR. Set the variant's) F8 v2 Q$ }. B
// type flag to indicate the fact that this variant holds a BSTR. Place the' V) R& e: V0 _# h9 [
// BSTR into the variant structure.. B/ p" ]/ {/ h4 V$ ^% F
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( t; h4 Q: D1 u1 l0 n5 E
VariantInit(&requestVariant[0]);
0 K" q7 x$ C7 _" G+ X* x- s5 m! E: I requestVariant[0].vt = VT_BSTR;6 p/ s9 I% M8 o7 R8 c- f
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");9 k# ~1 B* B! n7 X2 j
VariantInit(&requestVariant[1]); ' ]0 k2 j& V5 N
requestVariant[1].vt = VT_BSTR;$ X0 _% e- G: {- n4 x/ v' v) n
requestVariant[1].bstrVal = topicStr;
# a1 q8 @- w! m# B" w$ a
. D( ~6 q& d. C// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant; Q5 w( `. m, f, {1 ], K
dp2.cArgs = 2;, s' i! r: _3 t( l; o1 w5 O3 o/ o [
dp2.rgdispidNamedArgs = NULL;
# f5 d* W: {2 I) e dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;# B1 P, h/ F/ a- p& y# [5 S# n
) c9 s( }3 }% p/ ]// Call IDispatch::Invoke()6 T1 h8 j6 F- W* W& x' e" j
: q$ V9 l/ Q3 O: H; g& d/ i$ G hr = m_pDisp->Invoke(" R- ]$ k1 u2 k3 P( T, n. C6 j
requestID,
~1 @$ ?' ~9 M9 v) S* b IID_NULL," H. M& A* E; Q& _1 @1 } H, q
LOCALE_SYSTEM_DEFAULT,
8 V2 \6 i+ R' c) x DISPATCH_METHOD,
/ `* Z& p, E: C. j3 T( t+ S g &dp2,
& b+ e* E% J& I" n0 m2 } &var,
1 m9 |9 @" a" n &ei,) P3 Y0 P/ j5 |& I7 }) N
&uiErr);
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% R$ J8 J; n! C- H+ g% Q" Q SysFreeString(topicStr);7 E* G$ S5 W6 @$ T- }/ z
SysFreeString(itemStr);. u: Y% y7 v1 d- \" `
请问该程序是获得extend里面的哪个值?
- g" f/ B9 v8 F: ?8 Z p% ]- s% 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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