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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 Q- X- f- W) g( A9 V
Name = (WCHAR *) L"Poke";
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* {& X2 I, ~* }8 _# z% F hr = m_pDisp->GetIDsOfNames (
9 P% M, g2 o2 x4 @1 D1 r IID_NULL, // reserved% e/ `1 A. i4 B/ C& G, U
&Name, // Array of names to get IDs for6 a) F% U6 v7 D9 x
1, // # of names in the array
* q6 W' j" C; v j+ b LOCALE_SYSTEM_DEFAULT, // System locale
7 |+ |2 v, {5 j9 Z6 e &pokeID); // Array of IDs to fill on output" B# z& Z7 G& C0 d1 \& \
3 `, Z9 [+ t: D1 d I' n* c
if (hr)5 z6 R7 O2 x! O. Q/ @ t1 ^, A
{
, v/ B; q$ M2 l, k5 S MessageBox ("Get Poke Unsuccessful");4 c+ r& r2 @' |" h
return;8 A2 {; X7 l# t" I8 z+ \3 G
}
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" c9 _5 x: D7 L# F6 F" x/**************************传递数据给extend**************************************/
( f" F5 X% r* w4 l( N. X9 B3 o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
, O3 O: Y# [0 p5 Q, H VariantInit(&pokeVariant[0]); 7 d, O7 g: g* Q$ R6 d+ w) J
pokeVariant[0].vt = VT_BSTR;
, {1 K H% U3 s4 [' H4 v pokeVariant[0].bstrVal = valueStr;1 z/ i6 |( }5 t0 C- g9 Y. P" |
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- Z* E/ F K5 B1 v8 G" F) @8 ] VariantInit(&pokeVariant[1]); + r d% x- t/ J/ Q0 K2 k5 d
pokeVariant[1].vt = VT_BSTR;
. ~. r! m" c9 m& _ pokeVariant[1].bstrVal = itemStr;
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; ~# Y* v- ]; g& K topicStr = SysAllocString((WCHAR *) L"system");
6 @0 m4 W7 m. _! w8 P VariantInit(&pokeVariant[2]);
9 P& p1 o$ U8 N( J4 D, r( ]5 a/ a pokeVariant[2].vt = VT_BSTR;
& P7 D; V' R/ Y1 y pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 j1 `) l" ~. Y1 |
; E% \$ w% k; H: E7 D$ x dp.rgvarg = pokeVariant;
) \! Q h8 a! k' n0 u8 L. A dp.cArgs = 3;+ b. s: C/ E4 E: Q
dp.rgdispidNamedArgs = NULL;, X- y- h( i0 C3 A. y1 ?; _% S4 Q
dp.cNamedArgs = 0;
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4 @. u9 B3 g) s& c6 @// Call IDispatch::Invoke()
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3 g, @$ Q- d* N$ r hr = m_pDisp->Invoke(( B( s3 a3 S% U7 ~9 {! B
pokeID,8 Y7 b7 m2 b! [6 P2 |/ x9 v
IID_NULL,3 v/ ]0 S* o8 ~5 c: Z9 y
LOCALE_SYSTEM_DEFAULT,, s' _9 p8 P0 F& Z& M
DISPATCH_METHOD,$ F3 L: j4 J$ z. ^4 E" U* {
&dp,
' l8 A5 M8 i. V# u$ \( Q3 Z4 T NULL,
2 B( D9 p$ Z; r1 d& { &ei,
2 f+ Z6 d0 h0 [$ u: x9 A0 D &uiErr);
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SysFreeString(topicStr);
; I A. _1 O+ ]2 U9 r SysFreeString(itemStr);
$ _# t) V# ~0 W+ f0 C I SysFreeString(valueStr);
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+ c" o' x8 _& [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???
! s- G" u* a5 A8 ]) a6 \( H+ f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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+ P/ l) K: P& [$ ], R* O2.这是request的程序$ X4 L4 [' Z" b4 V1 h. i. p
// Request a value from Extend* \' G+ O% A0 G( P$ J
//( F* _, u, `9 ]+ s9 j# X5 F9 g; n
// Initialize the variant that will hold the BSTR. Set the variant's9 E, F. `) t8 |4 p: B! |- b8 ]2 X
// type flag to indicate the fact that this variant holds a BSTR. Place the h: _% G3 z0 _; p9 D: P9 J0 ?6 A' d% C
// BSTR into the variant structure.5 z0 ~# O* y4 A w# m$ h4 A
" c. Z" E+ T4 s3 W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ x5 X# ~/ K" v" C
VariantInit(&requestVariant[0]); 8 v9 @6 X7 o7 N5 ?
requestVariant[0].vt = VT_BSTR;
( \. y' f3 f2 c5 w% A$ _! d8 m requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");- {2 L% a/ g9 Z) H2 U
VariantInit(&requestVariant[1]);
5 `4 u+ V2 ?, [9 l& }. R5 K; j( V requestVariant[1].vt = VT_BSTR;
9 K& Q. o5 M) M6 g O5 r% E requestVariant[1].bstrVal = topicStr;# k+ Q* g+ d- f% [' u
* w: j) _ P2 q- s5 X( G- x// Set the DISPPARAMS structure that holds the variant.
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* v3 R' y, h5 R4 l/ H3 d dp2.rgvarg = requestVariant;& O0 a7 S% S& S
dp2.cArgs = 2;
9 v1 R3 [$ i) a dp2.rgdispidNamedArgs = NULL;
3 a5 w3 @9 U5 l dp2.cNamedArgs = 0;+ z) {# D* j3 j, p; A& h3 o
0 B9 _7 ]7 l; A7 a var.vt = VT_EMPTY;) Q7 x" ~, @! l) Y6 `; O
8 b4 h/ u3 R5 W( a// Call IDispatch::Invoke()
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q3 k' g+ u: n( I, L hr = m_pDisp->Invoke(
! B4 V1 `. a( q! S/ i5 ]$ W requestID,
) {7 p% D1 x3 L- `7 i" V IID_NULL,
- O3 [3 R0 p/ C& ^6 [; |7 a LOCALE_SYSTEM_DEFAULT,
" _9 W6 u! ~: x* t9 G0 J DISPATCH_METHOD,
) T/ U o8 o0 d/ I- J( Y7 s! m &dp2,
0 z# w* {/ S) y& e7 N( E &var,
; o; y. ]: [( T J6 j% T5 L &ei,
+ |; B) D; X5 }8 P% V* A9 f &uiErr);* U* P% J& V2 g8 W- A' F
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SysFreeString(topicStr);7 w3 Q# G& F6 |! W
SysFreeString(itemStr);
; ^( y' @& c9 e. x$ ?/ @请问该程序是获得extend里面的哪个值?
8 C1 t9 L2 P5 E+ @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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