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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:$ q7 C9 Y b( }7 K5 m& \! K
Name = (WCHAR *) L"Poke";
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( c0 x, @4 R3 W( P b D& C4 r hr = m_pDisp->GetIDsOfNames (6 x' A' b% f0 f, j& L8 T
IID_NULL, // reserved9 D6 v* q; Z- b* d# N4 r
&Name, // Array of names to get IDs for
( z v5 W$ y4 p$ c! f4 D# Y# X 1, // # of names in the array; j1 x7 z( }! Z9 d+ X' F
LOCALE_SYSTEM_DEFAULT, // System locale
V$ L3 f5 q5 Y: l' W &pokeID); // Array of IDs to fill on output
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if (hr); r; v& }) J" [/ b$ n0 C0 o
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MessageBox ("Get Poke Unsuccessful");
O- V* f+ E, r7 N3 [! O return;
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/**************************传递数据给extend**************************************/
6 T" F( N/ J' H& i5 H; }+ Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ T9 p; h5 h4 z) R+ h2 I
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valueStr = SysAllocString((WCHAR *) L"1232");
$ X B& L1 [/ i2 Z D$ t0 E& c VariantInit(&pokeVariant[0]); % m+ n. y& W2 C. A& m2 I( E
pokeVariant[0].vt = VT_BSTR;5 z" Z% r2 [1 _" g) B& T
pokeVariant[0].bstrVal = valueStr;
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* v) s2 g1 B+ ~# r& ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- v) ^4 J! D, C0 b D VariantInit(&pokeVariant[1]); , P3 P/ C! |9 N8 k
pokeVariant[1].vt = VT_BSTR;, d% i) @6 M9 V( _& m
pokeVariant[1].bstrVal = itemStr;% V" O' ~$ b3 m4 _/ N5 ]% s' r
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topicStr = SysAllocString((WCHAR *) L"system");
. \7 {% w4 A0 Q1 x! J& X+ k& p# i VariantInit(&pokeVariant[2]);
6 g' w0 |8 ]2 J" p/ S% w0 ^ pokeVariant[2].vt = VT_BSTR;
/ z/ n( d) R& I8 x* }* y pokeVariant[2].bstrVal = topicStr;" {5 X6 o R2 I% `* k7 K
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// Set the DISPPARAMS structure that holds the variant.$ O7 s N6 o7 }9 e
3 O# Y6 q7 C3 C+ R8 P dp.rgvarg = pokeVariant;
" h% g+ f! a' N" u% U, X dp.cArgs = 3;/ `1 _1 F2 \2 l. k. Y0 {' f" V6 U
dp.rgdispidNamedArgs = NULL;+ p& n* ], S: d
dp.cNamedArgs = 0;
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1 A% J. w( z% ^) A// Call IDispatch::Invoke()
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' G& g4 [ y: o4 m8 T hr = m_pDisp->Invoke(
( r( M2 X) Q o# K' { pokeID,: [+ R4 {% Q, H3 x5 ]) `
IID_NULL,
m1 N w* z0 T8 s7 t9 V, |- h LOCALE_SYSTEM_DEFAULT,
8 l+ z" X, z; s1 `2 [3 U/ E DISPATCH_METHOD,
T) C0 g% i! Z &dp,
0 m/ h$ y: \" l& F3 _, [ NULL,
" b, F+ i$ \" X+ v$ U &ei,% Z! o. b) g; _! }! \
&uiErr);, }4 a9 x/ r# O3 r2 M( ^
6 J: Z$ \& ?) Q8 i SysFreeString(topicStr);: X5 A5 T( L/ Y& M) @8 g
SysFreeString(itemStr);* q4 j9 y+ I6 d* R2 u: h
SysFreeString(valueStr);
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! n$ O: D& |6 c6 L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???
; R8 L$ R$ i$ k; M. i2 q; k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
9 s/ l* n) v. s) d2 ?+ f3 q. n2 r// Request a value from Extend
! Z7 u9 v8 O4 L7 x$ U- F D//
, M2 x7 w8 K2 `+ d+ H// Initialize the variant that will hold the BSTR. Set the variant's
8 R% s0 g: i3 e3 C- x; [9 s, t$ R+ r, r// type flag to indicate the fact that this variant holds a BSTR. Place the$ ~9 V8 o7 e* d
// BSTR into the variant structure.
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, M3 V9 g; b- _( R" O% l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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1 _9 ], C- k% p8 j }2 i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 e0 s9 M. [& g7 w- l" S1 I VariantInit(&requestVariant[0]);
- E! @& ~6 H# O. h3 P* `2 V requestVariant[0].vt = VT_BSTR;
$ G: \5 _8 j- Y requestVariant[0].bstrVal = itemStr;
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7 |( K" \% E7 L# m/ Z topicStr = SysAllocString((WCHAR *) L"system");" V; b0 [9 P: M: w% g
VariantInit(&requestVariant[1]); $ i' M- A" t( Z7 E5 H
requestVariant[1].vt = VT_BSTR;
" k" L% L' B1 Q' K' g* f requestVariant[1].bstrVal = topicStr; t5 Y% I8 Q4 l' c7 y8 K! J7 J4 W
5 M. Y" U8 |2 `1 C; l3 k// Set the DISPPARAMS structure that holds the variant.! D0 N/ @1 {3 r2 _6 y' V- C
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dp2.rgvarg = requestVariant;' {$ | Y Y- |$ d- T8 v' B
dp2.cArgs = 2;5 p' V) }: ~- F: ~: x+ j8 F# ]3 j
dp2.rgdispidNamedArgs = NULL;
) c1 }, D% O# ?9 d& Q dp2.cNamedArgs = 0;9 {- d2 l+ r: m8 n. i! _. @' y8 P
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var.vt = VT_EMPTY;6 e2 V" y/ V) \# d6 Z" O$ N
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
, P6 I7 [% ]* `5 O/ U c requestID,
+ Z$ v6 m" v0 u } IID_NULL,
/ w( H" B& m9 F% u- v& y; W LOCALE_SYSTEM_DEFAULT,# s7 W4 U3 E8 n. ]
DISPATCH_METHOD,2 b0 c+ D) X3 M7 w+ b
&dp2, Z* G* j# {; J
&var,
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&uiErr);
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+ I8 c# W0 m" ~1 x3 o: C1 ~& o2 ~. C2 d SysFreeString(topicStr);- J3 d4 W7 z& Z( J
SysFreeString(itemStr);6 u9 S; F/ x$ ?5 T/ h! ^2 R
请问该程序是获得extend里面的哪个值?
8 F k0 \& P. X* [9 V( V" |0 x/ a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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