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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:6 l1 Q. t6 l/ K5 |
Name = (WCHAR *) L"Poke";+ n: s+ w+ e' `4 x, x
7 v0 a2 _# e* `9 O9 G* y2 G9 S
hr = m_pDisp->GetIDsOfNames (
; Y c1 B8 p+ A2 [$ e( \ IID_NULL, // reserved3 V' a) d5 s* k" I9 f
&Name, // Array of names to get IDs for, M% a6 H$ U* f& |0 t+ Q$ U
1, // # of names in the array* t$ T1 i; @/ [0 j
LOCALE_SYSTEM_DEFAULT, // System locale
- g) C E2 O1 \3 ~" j# g &pokeID); // Array of IDs to fill on output
/ M& s- x3 g( t7 \% h7 q ; C0 H& _' R8 K5 T" J. E* p% `
if (hr)4 s" j2 U9 l0 _ I4 Q/ `
{
/ O* w4 k+ _4 K9 ~ MessageBox ("Get Poke Unsuccessful");, M: U, j7 K" U0 E" Q4 p
return; Z7 r/ F/ {4 @0 U5 \: |2 A( y
}! D5 v: ]9 |2 H1 c
' k$ ]6 I3 k# l4 `; k
/**************************传递数据给extend**************************************/
7 R" i. f8 Z" I p' e, ^ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* F5 V9 r" I2 O) U+ A
4 E& U3 l: }2 q+ Z+ a: Z valueStr = SysAllocString((WCHAR *) L"1232");6 j3 ]9 f6 g2 O
VariantInit(&pokeVariant[0]);
y S# I. y" H% A2 y% L9 K pokeVariant[0].vt = VT_BSTR;
. B. \, d$ O9 @6 z0 {+ ? pokeVariant[0].bstrVal = valueStr;
" h; e) ]2 t I" x/ k; e4 x5 f$ c' r- p5 m& o3 q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ t, g' P* t: n/ w- R! k/ D
VariantInit(&pokeVariant[1]);
, O' B! K- j4 i3 Q+ ~# E pokeVariant[1].vt = VT_BSTR;- S9 }: E5 n$ F4 A$ g G4 k
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");6 q0 _: X( @3 L2 F
VariantInit(&pokeVariant[2]); , _- p- y# H5 b9 b! I7 O6 F+ ]
pokeVariant[2].vt = VT_BSTR;
& ], X) b& b0 b! k( F pokeVariant[2].bstrVal = topicStr;. x, e. ? B! h w; n* o- x
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// Set the DISPPARAMS structure that holds the variant.
% [1 m4 G0 K" [( Z& i( p7 H% A7 N
! d+ i+ d$ H9 y1 |" Y dp.rgvarg = pokeVariant;
( B6 z# d( _- M/ B9 H+ e# L dp.cArgs = 3;
/ N9 Z; _& n$ D9 B5 A. ] dp.rgdispidNamedArgs = NULL;
+ h+ X" _4 U+ H" _$ [ dp.cNamedArgs = 0;- I% z% ~6 L0 W9 i" X* q3 ]
8 |) P5 i! x6 g1 Z1 w( }
// Call IDispatch::Invoke()- [) B9 d+ ?' j; H
$ V2 l: {* n9 D( X; d% c hr = m_pDisp->Invoke(
! d+ z @; h0 g I, d. o* G' l0 Y2 W0 m pokeID,+ w" o1 {' B* I! Y* J3 h* n
IID_NULL,9 A" B+ _" o2 ?# C& b5 V8 z
LOCALE_SYSTEM_DEFAULT,( d1 N X: }# L( j* R
DISPATCH_METHOD, L& E7 h2 b$ [* L! U
&dp,. X& Z* N8 `6 ^' ] f- k# e! [' P
NULL,
( G; O$ }3 `% z$ u# c+ @1 | &ei,# f8 J- I5 }% U
&uiErr);& w; n# y' F# ]3 ]
$ f6 \# ~+ I, K$ S, ?9 N: D SysFreeString(topicStr);- |1 ]$ }$ Z* z/ P1 L2 c
SysFreeString(itemStr);. ~; }4 Z; f! G& o+ t! O8 l
SysFreeString(valueStr);
" A. ?2 L2 }$ O* Z
& ^! y" [/ `9 D$ I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???
* T' [; T+ F* 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????
$ I k0 `; I+ Y! i5 [ ^- F5 Y
7 O' h/ ?- e6 {
2.这是request的程序5 I8 s- h1 @& c. M
// Request a value from Extend# P1 A2 }1 `" U0 n( l0 W1 L
/// } c o# N2 h; ^( g$ B$ u
// Initialize the variant that will hold the BSTR. Set the variant's1 f8 T$ \3 S) v
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 h. w5 ^' m( t& G2 ^+ m// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 W9 k3 ]. U, F |/ o+ M: u+ ?/ v
VariantInit(&requestVariant[0]);
Y6 |8 ~& g& g$ ^7 A requestVariant[0].vt = VT_BSTR;+ s: Y& s9 ?: B, b0 ?2 Y# j, k+ r2 z+ P) k
requestVariant[0].bstrVal = itemStr;
2 x! m5 s7 L6 g j$ ?! k% o
: U' z' ]: u% Z* ]. t topicStr = SysAllocString((WCHAR *) L"system");2 P! k' g3 T7 S2 P5 o; e
VariantInit(&requestVariant[1]);
( E: {- C3 t1 [. p: T requestVariant[1].vt = VT_BSTR;
: a M7 y! O* I3 r# W1 u: y1 h requestVariant[1].bstrVal = topicStr;
; y7 x- I9 q/ t2 u- l
5 \* r2 G) ^# q1 U$ C N3 \// Set the DISPPARAMS structure that holds the variant.- H# Z# t" U3 i( p
" F" L3 z# q; t, M. A0 R" d dp2.rgvarg = requestVariant;( G5 }+ G/ K& b# j
dp2.cArgs = 2;
) J3 z# N% X# R% P4 N8 P& j8 S& i dp2.rgdispidNamedArgs = NULL;
6 g& {/ q- h! f* O; x0 Z& j dp2.cNamedArgs = 0;
$ A8 c! Z1 c1 f0 e! {1 i# U$ z
( a( d" |1 j* o9 \- \" l6 F2 F var.vt = VT_EMPTY;: h( v- [ n+ P
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// Call IDispatch::Invoke()
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0 u2 t! N; J/ Y3 a# x9 t hr = m_pDisp->Invoke(
. ]; u. E/ p1 b$ D) l ~ requestID,) ~. y4 b6 W* Z! G* _# G) ^
IID_NULL,
3 e1 _. @' O/ O* G, V; t( v LOCALE_SYSTEM_DEFAULT,
% x; \+ b9 z- u9 m DISPATCH_METHOD,
' O, Y0 R! X! d% R* G9 x# Z" B$ x' a &dp2,
4 [7 L+ n3 Q7 a4 L7 L &var,
& Q# u& v6 }% c# o% S &ei,
) ^. I9 I. Z( {& t1 y$ { &uiErr);2 S0 ?( c5 O) E: G" c, B8 H: h
R* B$ c; M$ E" B4 E: Z SysFreeString(topicStr);3 \) d# [' z2 d0 w5 g; p6 M' z
SysFreeString(itemStr);
& W0 j; Y! j2 O# N请问该程序是获得extend里面的哪个值?
, s: w8 g I5 q% h) t# P; B+ A% Z 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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