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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:
9 H8 {; C, S' U* LName = (WCHAR *) L"Poke";$ `# \7 s4 z$ ?& l/ Y( u0 \
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hr = m_pDisp->GetIDsOfNames (0 S% c& j6 @% M: f O6 {6 L- U4 ]" v
IID_NULL, // reserved1 g% L( q2 T: F' h& u# V
&Name, // Array of names to get IDs for
! M# T, b3 ?1 a7 y+ w( | 1, // # of names in the array- b A7 H6 s! n2 `% \+ O; H* ^
LOCALE_SYSTEM_DEFAULT, // System locale
2 X% r O" S/ ]2 z' H &pokeID); // Array of IDs to fill on output8 B6 Q d0 g0 g; F& B6 M3 y
! b+ P( P8 w* w+ J7 {6 J if (hr)" ~$ v$ p* p! Y8 t- w
{
* j: {% n2 P& B+ M+ e2 F MessageBox ("Get Poke Unsuccessful");
: _5 v, J# m; B d. {6 D return;
& U) p* W+ l" A: j9 |# U& h) s8 ^ }
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" n2 \, Q4 Y% y# f, q. Z/**************************传递数据给extend**************************************/
/ |6 h, F6 ^9 |, l, z" a/ w; T! X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 I$ d9 t: c( _2 o0 U+ k
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valueStr = SysAllocString((WCHAR *) L"1232");
, D4 f" {1 _% g& W9 r VariantInit(&pokeVariant[0]);
- A! R- M' h k/ h) a/ Y; M5 L pokeVariant[0].vt = VT_BSTR;5 T& L2 V; M E1 s( n) H
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" v" E' n8 l+ U- i, r VariantInit(&pokeVariant[1]);
5 G6 Q# r2 b( K' `. G6 B( H! ?' \, X pokeVariant[1].vt = VT_BSTR;+ s+ F/ g$ T0 V- K
pokeVariant[1].bstrVal = itemStr;' _( ~0 a6 X. N# h/ S& d$ U
. ]0 g9 }" E9 }( Q( |: f topicStr = SysAllocString((WCHAR *) L"system");
. @5 y/ z" r* o7 P& v0 V( k9 j VariantInit(&pokeVariant[2]); 6 W" T) l4 K2 I( A: h8 [9 u }
pokeVariant[2].vt = VT_BSTR;
q6 |. w1 N" _+ [2 Q$ I pokeVariant[2].bstrVal = topicStr;+ j9 F$ v D Y
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// Set the DISPPARAMS structure that holds the variant.# L9 Q( c( c5 u' k6 V, y" g0 J
( m: a. z$ }0 C v* K dp.rgvarg = pokeVariant;
! ^; }7 m0 ~; O! _% R+ e% e dp.cArgs = 3;+ D) d3 f' y" y d% q/ w$ V# _
dp.rgdispidNamedArgs = NULL;
0 C4 z1 R9 z2 T% ` dp.cNamedArgs = 0;
, b3 T4 u& G" b
' |9 N' n6 M. Y& l! K6 O1 g// Call IDispatch::Invoke()3 ]! U* |& p) _, C4 z$ `9 n1 [6 y
! \; [! p: r% I1 n' T" h! Q
hr = m_pDisp->Invoke(% h) y7 R9 M! q4 O- V( _& Z
pokeID,
5 S {2 a5 Q, s# ]: M IID_NULL,
3 P/ Y+ b4 a* k) U# H+ m' O) W5 U LOCALE_SYSTEM_DEFAULT, d' G Y$ h" m9 y6 A' n9 k6 K
DISPATCH_METHOD,( g8 A5 w$ m1 ]
&dp,
" \- I! v5 U1 J" z NULL,4 [# i" k6 [1 l
&ei,# w- v' b" R$ A1 M: H: Z
&uiErr);: z7 q$ a; _1 V2 b% D4 ], D
# N2 t, d3 f9 W1 M3 G7 J) s0 g B SysFreeString(topicStr);2 n7 ?+ z: \ c6 O+ z
SysFreeString(itemStr);
! B' t- z) L: R SysFreeString(valueStr);
0 _; S2 E8 e& x! s* C9 T. @! B2 l6 q7 \9 k9 Y5 u' Z9 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???
& @7 `/ _" ^; ^5 j7 e2 D/ |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????% X9 i' d' f3 w3 O' a" P, D
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4 k4 x( C7 U% O1 a& E7 O2 g: w2.这是request的程序" K; f/ H* h" c- r" w1 p7 t2 p
// Request a value from Extend w0 S3 o: `" H4 w
//. a3 T* ?0 K. s: w
// Initialize the variant that will hold the BSTR. Set the variant's& h5 B8 k0 a/ z
// type flag to indicate the fact that this variant holds a BSTR. Place the; N3 i: Z5 y f
// BSTR into the variant structure.
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' L* f. f4 C" E$ P c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 Z& D3 Z* N: N( A( \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 `$ ~2 `) q/ {+ n9 t' B VariantInit(&requestVariant[0]); ' z, u, Z9 r7 _3 l' ^/ j
requestVariant[0].vt = VT_BSTR;
$ D+ ?. w" A4 c& ] requestVariant[0].bstrVal = itemStr;' `! M8 j% s4 q" W+ J5 p
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topicStr = SysAllocString((WCHAR *) L"system");
7 P$ f+ a2 v0 B* @ VariantInit(&requestVariant[1]); ' w% o- @ R% ~; M& q
requestVariant[1].vt = VT_BSTR;
- l c6 X& t$ ?0 V" _- i3 D$ x9 X# C1 j requestVariant[1].bstrVal = topicStr;2 G& z; `- S& f& @. }' F$ |
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// Set the DISPPARAMS structure that holds the variant.; A- k% {; o, e _4 G; ]4 U. ]
% |3 T% g6 _+ v! g% t; \3 ^1 g: ] dp2.rgvarg = requestVariant;6 M* r0 |( C) K) Y/ m) }$ ^' B( G& G2 g
dp2.cArgs = 2;
: j7 ? f: W( W, z dp2.rgdispidNamedArgs = NULL;
7 D7 j: k3 N2 r3 x dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- {! F0 o) z0 P( x3 `
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hr = m_pDisp->Invoke(( l/ `7 o9 X3 [
requestID,
0 T2 u/ h0 u7 r3 y IID_NULL,
5 p* H0 |7 f# K5 P LOCALE_SYSTEM_DEFAULT,! v5 m! B4 F% ]9 Z e
DISPATCH_METHOD,
1 o7 k2 [ o0 W) `9 E &dp2,
) s+ ?7 Z) |5 c$ ?! d &var,
) b, y( d" j, I; S% H9 v &ei,
Y- Q, D) X: F. z/ H& R &uiErr);4 Y ?6 `: m# g7 Y' u
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SysFreeString(topicStr);
$ Y) q1 b5 a- b1 p: X! H3 _2 e SysFreeString(itemStr);! p0 {& I# O; s' X: _
请问该程序是获得extend里面的哪个值?
( ]3 u5 S0 X, p& }8 r) v0 ^$ ^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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