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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:2 }# |# f9 f6 g% G* h5 k( W
Name = (WCHAR *) L"Poke";
7 n: N$ y& F' ]- C $ _. r5 _1 Q, ]8 A6 y8 }; ?
hr = m_pDisp->GetIDsOfNames (
( r' U3 J2 ^! C. M' h) ^ IID_NULL, // reserved0 v! U- G2 I9 O3 }. ~
&Name, // Array of names to get IDs for: }# g+ G; f0 ~7 C
1, // # of names in the array
& Q. a% d; k' n' d# d$ j& f# u/ u LOCALE_SYSTEM_DEFAULT, // System locale9 `% v$ b6 u" l `
&pokeID); // Array of IDs to fill on output" h" ?0 r+ g, W/ j+ D. Q4 U3 w* K
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if (hr). c, {5 W0 I8 o
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MessageBox ("Get Poke Unsuccessful");
2 P6 \" r3 E/ \- m3 C; t8 ~ return;. C" i6 q( g) y6 p& Y! T; I; Z; O
}
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8 V7 j9 M. S0 }( T4 h- C/**************************传递数据给extend**************************************/. U4 _3 X. x5 S6 X, b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. Z# B- _3 u1 J& x+ Q( i0 O
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valueStr = SysAllocString((WCHAR *) L"1232");& c* s% a# N( O' P f6 b
VariantInit(&pokeVariant[0]); 7 d) N4 ~+ P) O2 @
pokeVariant[0].vt = VT_BSTR;
" h+ N0 ^- X" Z- G pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* b4 J( K7 l2 u0 ~4 E% U, ~, C VariantInit(&pokeVariant[1]);
5 Z7 [: q1 I! H2 d pokeVariant[1].vt = VT_BSTR;
5 J1 H. B+ `2 K1 P pokeVariant[1].bstrVal = itemStr;
, Y I5 T/ I) S- S
) `& K0 j; J) T0 h topicStr = SysAllocString((WCHAR *) L"system");
1 C3 K3 g V' x+ o$ ` VariantInit(&pokeVariant[2]);
- O A. p" q6 n, w+ h8 v# ~" s) i- l pokeVariant[2].vt = VT_BSTR;
( t) n! \$ `% i pokeVariant[2].bstrVal = topicStr;
' }# @& H! ^2 P: l- ]
1 I) D' Y8 R, S2 t/ Z# i// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;0 N0 E5 ~6 t* s& M
dp.cArgs = 3;5 v i7 d& H7 |) F
dp.rgdispidNamedArgs = NULL;
7 W( ^& c |6 W9 s2 y; e1 W7 t b5 y dp.cNamedArgs = 0; n. u. [ @" C) W
! l7 `# d, P& a% ~; i// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(6 Z/ }% x: H3 s# c# D0 |+ p2 ~
pokeID,0 A; a9 E3 S2 ~ i1 C$ P$ Y) [# y
IID_NULL,
' K3 I' ?) m3 P: i% X; {7 Q, ] LOCALE_SYSTEM_DEFAULT,
! w- w7 T5 C! s8 L. r% B DISPATCH_METHOD,, [, Y- C) \: A; O
&dp,
9 _& d; U) n; F. k NULL,
- O$ R" K; Q8 Z# m( l: Z0 _ &ei,
) c2 f! ]( d* [# l0 @8 i; Y &uiErr);
& W+ [$ i! Q/ v- b/ }
9 R9 W6 B9 Y. e. ^ SysFreeString(topicStr);
* \. A- d+ j1 r SysFreeString(itemStr);
' y2 J% @. @5 L1 } SysFreeString(valueStr);
- ^9 O! g4 b6 L4 E2 G* v
; ]6 j+ H4 |# X9 g0 c9 ^- V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???
8 ]: `/ U/ `# T) d1 ~+ }$ m1 x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????3 `1 x+ B& m' L+ c5 D) i
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2.这是request的程序
, f: t: ?4 v; f1 v1 q% x! I0 H/ D8 E// Request a value from Extend$ m7 q+ f7 e D7 L& t9 Z, j& d# X. O
//
9 U: C; v' k2 P6 u3 M4 a/ }// Initialize the variant that will hold the BSTR. Set the variant's! c q3 k+ f# k9 L; G* A) X& c
// type flag to indicate the fact that this variant holds a BSTR. Place the; R+ e" p+ @+ h4 `5 R
// BSTR into the variant structure.
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1 y! A: T% P5 w7 R! m) {! d' i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 J4 T' S: j$ ?
& c4 u: A3 z! A+ I+ F* _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# H2 G& M" \, Z7 K VariantInit(&requestVariant[0]);
9 y2 w( ~" f- {# p3 H requestVariant[0].vt = VT_BSTR;
: [# P' G% [1 V ^! e; }- n requestVariant[0].bstrVal = itemStr;
|3 H& b; |& Q$ O) G9 l
: _. W5 X) U; [* [/ A topicStr = SysAllocString((WCHAR *) L"system");; R# f% o r, g% o+ j; g
VariantInit(&requestVariant[1]);
: p$ N1 M: D; b$ [! c! z requestVariant[1].vt = VT_BSTR;% Q- F. N$ ^ g0 Z) J
requestVariant[1].bstrVal = topicStr;
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6 P7 @# W7 \, ~2 ~' r// Set the DISPPARAMS structure that holds the variant.
1 X' s" a) ^! G9 y$ D$ T0 I/ p
. I" T1 }/ e7 Q9 g8 h) j dp2.rgvarg = requestVariant;
+ Y2 ?% h2 t$ X* n dp2.cArgs = 2;
. e( [/ @- ]+ M7 e4 [ dp2.rgdispidNamedArgs = NULL;: o3 N1 C {" z
dp2.cNamedArgs = 0;
) @, [, t! D4 y' p$ U1 j
- ]/ g' D- Y/ z' C+ Q% q var.vt = VT_EMPTY;6 t) T0 @0 u' ^+ R1 M1 ?0 d* L* w
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ H6 o5 [% K. g
requestID,& i6 U/ L' G# S: X" ]4 [) y
IID_NULL,
* M" I2 d7 q$ `/ }# ^ LOCALE_SYSTEM_DEFAULT, Q& b. z3 ~+ \, {; g" U# ^: d
DISPATCH_METHOD,6 [3 A, p: d: t9 X# ?: K# p
&dp2, T& _ Y4 {/ m( t5 l& y
&var,
) Y0 a% |0 ?* n9 i+ _; m; v& N &ei,
2 G# \. L5 v J( H0 e2 X" K! x9 l' b &uiErr);
$ u; H9 L, x! W5 Y% h
' r' O5 b) l0 Y; n2 e, b SysFreeString(topicStr);
! j' D- o; f) ^! Y SysFreeString(itemStr);
! i, |# w. O h& J; t8 }请问该程序是获得extend里面的哪个值?
% [. s( ~: x7 l$ q! ^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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