|
|
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:% n( Q- l, M4 e3 |$ g
Name = (WCHAR *) L"Poke";' E @0 _# j+ e2 h; i. F
) C: q- x; F4 `/ c: B+ y6 R7 [# [* B
hr = m_pDisp->GetIDsOfNames ($ T) {/ z* R8 m" i. b; @7 U
IID_NULL, // reserved6 |) l! q; n3 S; u& u
&Name, // Array of names to get IDs for
8 ^) Y! w. d6 i6 b. b( O+ H4 E5 ] 1, // # of names in the array
4 q6 R ?* w) D3 \, m5 p! b% c7 W LOCALE_SYSTEM_DEFAULT, // System locale1 J, ?$ Q$ k1 I. H$ H3 e& _
&pokeID); // Array of IDs to fill on output
' D. O2 A( R- N6 X; g. V- ]8 R% b& l - j6 h7 u- H% W7 {; S5 {% J& s4 ~
if (hr)2 ]& X0 }. T* |0 l
{
% D- y& q" k! U9 O' m9 | MessageBox ("Get Poke Unsuccessful");( k6 y B% E" f! S& W. e
return;
! b3 l% Q6 g; r( o$ T# }7 _ }, @0 Z6 R6 w. Y" c( G
4 n. F( d0 Q' b, ^ f1 v- V$ S! A& l
/**************************传递数据给extend**************************************/8 A* D, T) i @6 c) j0 ~/ D' f0 k$ M+ Q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 \* A% ^, [3 I" T- x5 f6 G# O' W; Q
# y$ ?4 L3 S4 Q% @' O0 Z/ t valueStr = SysAllocString((WCHAR *) L"1232");
, e- L% x, @; C. z VariantInit(&pokeVariant[0]);
6 R, w4 h' F( X) _# O5 J# z4 P pokeVariant[0].vt = VT_BSTR;+ l1 W# s7 \. [0 q1 @/ U
pokeVariant[0].bstrVal = valueStr;% w1 X6 k9 L4 H
) a) e/ ^; R5 {+ i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 k. m4 j4 \8 t0 G+ a0 l3 I3 z
VariantInit(&pokeVariant[1]); I1 J/ ]2 D: X( t
pokeVariant[1].vt = VT_BSTR;
- F, B W1 u. s6 P: s2 [ pokeVariant[1].bstrVal = itemStr;
6 a9 X" p& R3 J6 n6 ]) c
8 l5 J4 A. _/ S/ a7 ] topicStr = SysAllocString((WCHAR *) L"system");+ }5 ~% `; {3 J; T6 I1 A. L; j
VariantInit(&pokeVariant[2]);
7 S; d% }( p7 \' j' c a6 h9 B" A pokeVariant[2].vt = VT_BSTR;
' @4 L/ m# \; D2 n5 Q3 N pokeVariant[2].bstrVal = topicStr;# F. T0 v. c, `2 K" Y
8 J& f& v0 v1 T. t. k// Set the DISPPARAMS structure that holds the variant." t, G8 U2 Z4 W! \; x
' ?: r/ r+ R+ | dp.rgvarg = pokeVariant;
K; Y+ Z: \* c) R" q$ M9 ^3 e+ j* | dp.cArgs = 3;1 A6 E' Q9 W: v6 v9 w V
dp.rgdispidNamedArgs = NULL;
; W& _3 b- a- N1 R6 p/ f1 U3 B dp.cNamedArgs = 0;4 i3 L; O4 ]+ b) W
* K- A! z( R" f0 S" S' W# c// Call IDispatch::Invoke()
9 ~6 ], z Z; i( U0 `. ?2 `5 M9 N/ ^. X) ]0 m" a
hr = m_pDisp->Invoke(
6 N/ A6 T5 g/ M7 M: b9 o. U; X pokeID,( j4 m/ U& B$ @7 t3 h) x# [
IID_NULL,( k; w8 V; h V; o
LOCALE_SYSTEM_DEFAULT,7 S/ ~# J$ E5 t% j% h$ p8 g
DISPATCH_METHOD,
' x4 y4 z6 ?1 m0 P: A( x &dp,) K3 m1 }0 W1 q
NULL,
8 ^% r! [. t8 A2 E2 A; i &ei,5 }/ ~5 Z: p3 b9 U( a* ], x$ F& ^
&uiErr);1 ]! }, O& r# D3 l* V J
; A. s& Q! [! G7 y j
SysFreeString(topicStr);
, T4 }3 J/ C' o" h. O SysFreeString(itemStr);0 U' ?' e/ q2 o# J
SysFreeString(valueStr);
7 |, M, l; s, L$ q' o4 V6 A
6 {0 f; r, T% M0 O( h$ }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???
9 c/ H8 d/ {0 E8 e7 ~, V0 F7 V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????
5 B5 k" @1 R$ r/ K# U* b
' g" R/ @- G8 n9 K- }) o9 p7 O% a9 B$ ]
2.这是request的程序" k# w' I3 u' V# Y4 y5 o# }' W8 v
// Request a value from Extend e8 @7 } t8 ?$ L5 N2 H4 W' S+ T/ S, ` C
//, v4 P* i) { F% `
// Initialize the variant that will hold the BSTR. Set the variant's
$ ^1 F. k/ z8 q// type flag to indicate the fact that this variant holds a BSTR. Place the( E: X# j+ x8 N8 }0 \3 y( k1 i$ N
// BSTR into the variant structure., e) o/ d6 g% H& ?6 v o& f
$ a& Q5 }& q4 _4 v6 V
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 \1 V, z0 u7 x3 S6 W: ^; h. Q" D
* y- l q& V; _' ^6 e$ F9 J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! C+ o) I- B; p9 d+ t
VariantInit(&requestVariant[0]);
) ^+ y2 ?' P, u! H5 R! o o requestVariant[0].vt = VT_BSTR;
; o& J- s2 i1 W! P% L1 l8 q requestVariant[0].bstrVal = itemStr;7 O* ]+ Q7 J! }
1 n+ x) q& ]: u6 Y( g7 y6 r topicStr = SysAllocString((WCHAR *) L"system");
0 q( e3 ?8 y2 d& p' |# a0 b VariantInit(&requestVariant[1]); 1 B- m0 A" d$ N8 y" ?
requestVariant[1].vt = VT_BSTR;& P2 [% t9 l& d' @ V, X8 X
requestVariant[1].bstrVal = topicStr;
" u% A$ J# ~# D! T1 S3 Z
" G& a9 M5 l& b, U// Set the DISPPARAMS structure that holds the variant.
x6 _/ A+ {4 F2 ^; n/ U) U0 ?: m7 w) p' \0 I% I$ l) ^
dp2.rgvarg = requestVariant;
4 y! n. L2 x( m# w dp2.cArgs = 2;
7 o! V t2 [, U5 f+ \2 e dp2.rgdispidNamedArgs = NULL;, t& |0 ~7 g' j* T( e+ W
dp2.cNamedArgs = 0;( W5 ^+ a8 }9 @$ i5 J4 Z
) V* ~& X1 M: z' }9 Z$ `1 i" W
var.vt = VT_EMPTY;
! k+ h% Q2 i I+ x7 n! Z
8 U; X* E7 `& H6 Z6 x// Call IDispatch::Invoke()
3 W( _" X1 l* V) z
: `0 R+ G, b) f) a! d" N4 e hr = m_pDisp->Invoke(
4 U1 ^9 k2 G2 ^ requestID,9 K0 o7 {" E+ u' ~6 W- z
IID_NULL,
: n' I2 D/ }; V8 B* W LOCALE_SYSTEM_DEFAULT, D2 l% r0 o9 G6 M
DISPATCH_METHOD,0 x8 k# ~. J$ N$ i3 L( i
&dp2,9 Z& p, o8 B1 I# C7 [
&var,, ` s& |0 O* W/ V6 \* }9 W* N
&ei,* O9 J- U4 W5 f) l8 X: C
&uiErr);
+ l) [5 A; r/ T! F' `2 k
2 L5 I$ _/ J& E SysFreeString(topicStr);
/ s, r, |! C' [+ A, `3 A SysFreeString(itemStr);
4 V# T& c- S+ p1 K请问该程序是获得extend里面的哪个值?# r4 v( a6 d" A2 l; Y" `7 L H8 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???? |
|