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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:* ?3 f! z _+ ^1 M- [
Name = (WCHAR *) L"Poke";/ ?! W6 w) v% S) t; w M! x ]
( \2 N' {( w T1 ?' H8 h; _# ^ hr = m_pDisp->GetIDsOfNames () i0 e' `' r! U5 X3 ]
IID_NULL, // reserved, b P( z: F% L/ ^
&Name, // Array of names to get IDs for' v) }6 q$ {+ _+ G9 ?
1, // # of names in the array# k A/ p9 i; x- g) q) b+ S+ e: u& q
LOCALE_SYSTEM_DEFAULT, // System locale5 D8 d/ \: K! z: i2 U
&pokeID); // Array of IDs to fill on output' U0 O2 k) J3 Y {9 N
% O" w6 ^: Z* ]9 x- C# A
if (hr)
3 S# f" n r: S# v {
0 U9 m. g5 Z1 e2 T MessageBox ("Get Poke Unsuccessful");
( o! g! n- y3 x; d6 C return;( A% a0 b% a. C. H" g
}
; B" U- t4 r' }% x
- C4 S( N" O: c8 I9 n: K/**************************传递数据给extend**************************************/
3 ?& S0 F' B. z$ F- L1 O% p9 v; U; B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ F0 l! p5 v, L2 e; i w D, V% E" A6 A4 f
valueStr = SysAllocString((WCHAR *) L"1232");
$ b: S: x6 f' ?' b2 Z VariantInit(&pokeVariant[0]); 1 H9 v6 }+ f+ w* g- i
pokeVariant[0].vt = VT_BSTR;
) M; p# H+ K% K2 t& C3 ]+ } pokeVariant[0].bstrVal = valueStr;
$ P9 j ^$ b; Y% G. u
d R3 J. ?8 p, A: d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 |( l" t6 d6 U% w2 f( l VariantInit(&pokeVariant[1]);
. l9 r# I0 k S. F+ Y pokeVariant[1].vt = VT_BSTR;
; j! [$ r3 d7 M: j0 N pokeVariant[1].bstrVal = itemStr;
/ o+ U( w- z& i$ ~5 M" W0 u1 ?; V" N* T' C+ R
topicStr = SysAllocString((WCHAR *) L"system");. Z2 @& Y. @% f3 K7 A7 A( i! Y
VariantInit(&pokeVariant[2]);
+ s$ ^% b7 {% g- `" @ pokeVariant[2].vt = VT_BSTR;! O, c/ w/ p# L5 C
pokeVariant[2].bstrVal = topicStr;% j( |3 T5 _7 U; Q$ E
6 G1 t4 z; t! k* `, `* \// Set the DISPPARAMS structure that holds the variant.
5 Q, |6 r6 c" l: \7 h5 w7 X* M2 K$ }2 i/ ?
dp.rgvarg = pokeVariant;
# B+ F1 ?& N) @. N) | dp.cArgs = 3;9 O- x1 o; |% j$ P* F
dp.rgdispidNamedArgs = NULL;
- }; S) M2 p" Q# U- q1 D dp.cNamedArgs = 0;
1 l0 q4 S5 I% Y
+ Y! f E9 E6 c6 z5 \( X) T" a% C) O// Call IDispatch::Invoke()8 |. P6 G* n- G
9 O9 ?" {2 L- g, M8 U
hr = m_pDisp->Invoke(0 d0 o2 D5 S2 c6 I" O) u' G
pokeID,
: a2 ]' V% T6 q, n b1 t7 [ IID_NULL,* H$ E' e5 u; L0 }7 D" B
LOCALE_SYSTEM_DEFAULT,
- s: }6 s! n$ }1 j8 X5 D5 s DISPATCH_METHOD,, y) B/ w$ d x4 _
&dp,
2 z5 B3 o9 z1 R* x ~9 B- A& r" | NULL,
8 S% a N+ {0 L9 H( G &ei,5 l" D5 b4 j/ y2 t( M
&uiErr);
* I2 D+ t d: }+ }# o9 C2 S$ x
+ f9 W2 Y/ a4 |# ]9 C, E SysFreeString(topicStr);
" C1 {5 ^/ @1 s& o% u r SysFreeString(itemStr);
& E" P; _9 r8 }" |- e' x; V/ { SysFreeString(valueStr); v9 G4 Q" S" V, L6 N7 k
6 k( L: m( @+ P& W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???
6 ^( G9 l# t' 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????, x: p) S7 c+ R9 C" [/ m. k
9 t2 b5 O8 P0 g2 t0 }
; _8 j- |1 k& h: \2.这是request的程序
+ q" i( p9 x, U; p7 b, p// Request a value from Extend4 v {$ a! {0 R+ M6 t& K$ U
//
' G$ a' C6 \: J5 M1 z9 ]2 q3 Z* ^5 |// Initialize the variant that will hold the BSTR. Set the variant's
$ }, M! _8 \- C// type flag to indicate the fact that this variant holds a BSTR. Place the
7 T2 c4 |. H3 C+ @# p: r6 v// BSTR into the variant structure.
+ z' x! P& R7 v0 K0 y$ P4 j2 T* b2 c: v8 c2 p% O
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
, [4 s" R) r: l! r8 Z8 s 5 d8 e& X' Q5 R' r6 c' J
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 ^. f0 [0 F0 t' b; S/ o6 r
VariantInit(&requestVariant[0]); # X) {8 l" X7 ?6 |, I) {! Y" c3 r% S
requestVariant[0].vt = VT_BSTR;
. [4 J) W! p+ v4 ` requestVariant[0].bstrVal = itemStr;
7 X: E7 |5 s; q, ?6 Y7 j& w
0 r# G- u% l7 g$ F6 H: Y6 g topicStr = SysAllocString((WCHAR *) L"system");
/ y5 {/ A5 T& P" C% [4 [8 {- C4 Y) W VariantInit(&requestVariant[1]); . ~, e# p. ~9 h4 P5 I
requestVariant[1].vt = VT_BSTR;
' h1 c5 R: L. m/ b8 l3 O+ G! G4 U requestVariant[1].bstrVal = topicStr;
5 A$ [* w) q6 Z
7 t- I2 Z8 a- t. W' a N' u// Set the DISPPARAMS structure that holds the variant.$ K, Z7 R7 F, s8 E
2 X3 p5 V+ q, O& a6 f4 i dp2.rgvarg = requestVariant;
& F& Z; g+ I& G; s dp2.cArgs = 2;% D: W9 }: B$ h6 h3 j
dp2.rgdispidNamedArgs = NULL;
3 L% Y. f* g8 n! K& _ dp2.cNamedArgs = 0;
! O( R5 z- i" e& j+ w% n _( b+ j; |+ g8 j- X: I% F
var.vt = VT_EMPTY;
+ x/ |& t5 Z" e, G0 S7 X" j
& o, V% h1 |# w% j+ ]3 F// Call IDispatch::Invoke()2 k. Z- V" K3 b
1 b- w8 b# ]3 T. ~ c( \. m/ ~
hr = m_pDisp->Invoke(
* c6 ^4 F2 m! w' _! |# T requestID,' S8 H5 ]9 M* c8 ~- ]- F
IID_NULL,5 ]! i- j! B( q, \( R" `: ^
LOCALE_SYSTEM_DEFAULT,
6 J3 g+ Z; R$ O7 ?# x DISPATCH_METHOD,
6 C f3 N- [! `0 T. v7 }$ k &dp2,
% H& {( {3 @5 `: Y &var,/ r/ V0 l3 l2 H: W. z/ ^ L7 X
&ei,
. l& [3 H& E3 `) e) t7 ]) ]. n &uiErr);
+ z0 M6 k$ z( _+ ~( a( D; g7 s2 I$ B$ u& c6 y
SysFreeString(topicStr);
( x. {$ q+ ]4 q/ U SysFreeString(itemStr);
$ N; {) C. @& {) h' b请问该程序是获得extend里面的哪个值?# L1 s0 P K$ @ d2 |
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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