|
|
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:
' h2 Z+ a, k3 o8 AName = (WCHAR *) L"Poke";
: F0 ]" |7 r: q
6 ?7 n+ Q0 _$ C9 a# x; ^3 T hr = m_pDisp->GetIDsOfNames (8 t! z$ {% H& o$ i* p
IID_NULL, // reserved- w; e! q) y9 B) }
&Name, // Array of names to get IDs for; U. s0 |- _: Q$ `2 m+ J4 K7 o
1, // # of names in the array
* Q+ Y: u* W; h# @ LOCALE_SYSTEM_DEFAULT, // System locale
& E' m& i1 B+ Y/ N. {. I: @ &pokeID); // Array of IDs to fill on output
7 x/ g) p2 N2 m2 Z# a: M: V; p9 X } ) u0 C/ x3 \7 v; U/ Y0 V7 ]4 [, r; M
if (hr) M5 Y( t# W! X/ a% q
{
) Y* d. j1 I9 R4 {8 t* Y+ [* n8 D4 B MessageBox ("Get Poke Unsuccessful");
5 F! i' ~. E4 a4 O& ]. ~ return;7 m6 Z P* Y" a3 |1 [
}
: \! ]5 I- i$ Q3 W B6 h# V4 q3 l. q9 c7 K& S ?& `3 {
/**************************传递数据给extend**************************************/
! G( X8 l; b' u. y% R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ } `4 k+ Z3 D- ~8 \& i$ L
' V3 {1 c- R* d/ O valueStr = SysAllocString((WCHAR *) L"1232");
* C H6 ]6 y% e% X) v+ ]8 O2 B, I VariantInit(&pokeVariant[0]);
" Y/ I. p) U1 J; C; C pokeVariant[0].vt = VT_BSTR;7 N' W8 l& k7 R v! p- e
pokeVariant[0].bstrVal = valueStr;( H* G) v+ _* k2 w1 _2 H$ b) J# }
8 C2 Q& \- y& M# `2 J( e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" M9 \* U& T O0 ~) Z- R( | VariantInit(&pokeVariant[1]); ( a: K1 T! P9 N$ C, v T
pokeVariant[1].vt = VT_BSTR;3 G2 C' e% b( b6 L2 l
pokeVariant[1].bstrVal = itemStr;
. t, K# z! R+ t6 Y( P! |
" `% }! \3 n' E' z8 I& I" P topicStr = SysAllocString((WCHAR *) L"system");' a" o' }: e5 r: G( i0 e2 B
VariantInit(&pokeVariant[2]);
' {( g( f4 @; ^ T$ f+ x; t3 e3 \ pokeVariant[2].vt = VT_BSTR;3 o5 g4 ~$ V: Y7 C1 |5 e
pokeVariant[2].bstrVal = topicStr;
; G: R: n6 U* e5 I( Z/ ~) x" J) b5 P+ v) F- ?- `' k, U7 C. ?
// Set the DISPPARAMS structure that holds the variant.% z- Y8 F/ r" R" k& @/ A5 P& q. m; a
5 t# `. @; j. a! k2 J* x dp.rgvarg = pokeVariant;7 n+ B; Q3 S9 a! k+ V2 d
dp.cArgs = 3;; E5 D% B0 P$ Z8 O; h/ c
dp.rgdispidNamedArgs = NULL;+ T1 a. J* I# @
dp.cNamedArgs = 0;
! D4 V+ z4 }0 U2 ?, i6 l- ^
4 [8 b' V3 X) X9 k' N5 h// Call IDispatch::Invoke()
+ r! B, `+ G$ I
% F; g2 Y" ?8 |2 [9 Q hr = m_pDisp->Invoke(% g( u, L9 c J/ A+ G. C
pokeID,# D, ^/ M! z) w& u/ U7 Z, ?
IID_NULL,
1 Q @- [* p3 D3 c6 x+ _1 E LOCALE_SYSTEM_DEFAULT,
/ [- j' B- D& G6 }- N% D) p DISPATCH_METHOD,
+ g% l2 F! ^6 B. l &dp,
2 L: l, T( K1 H3 o4 I. |6 Y' @ NULL,6 f8 L' m* N, k8 B% i \+ v, m
&ei,5 `& G7 L: H/ ]0 T
&uiErr);' h. L1 k3 R/ m4 j0 ~5 d2 Y" x4 J( i, @
L# ~" d1 L: M
SysFreeString(topicStr);
# F9 _8 w9 L8 t# B" ~. \ n7 E U SysFreeString(itemStr);# m% t5 M& ?7 g
SysFreeString(valueStr);
: [- }3 E1 E! k4 H$ q! P0 _& V0 h0 t5 W& `( S @9 z( s+ X
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???- I" @! U9 ~& O1 y# Y
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????
8 }! H4 }) o; G$ L
% g0 J- X/ L; m3 I$ ~; n* V( F) A# Z+ X* S+ i( e3 C
2.这是request的程序! b" x7 [8 a& X) l
// Request a value from Extend1 h- l' P& y, S) O: T3 Y
//& D7 c) H, d& z. P1 r F0 v
// Initialize the variant that will hold the BSTR. Set the variant's/ z6 w# l7 R; t/ J
// type flag to indicate the fact that this variant holds a BSTR. Place the8 N8 t7 }6 `4 \; A+ T
// BSTR into the variant structure.
& Y0 _0 E3 a& k' j2 s2 @
* `9 H2 |) p8 w% z0 t% a6 C- l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
9 ?" X3 P5 n% A ( `) i; b# ~- }+ I
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, \1 c1 q7 y5 I8 u5 R VariantInit(&requestVariant[0]); 4 \; i2 _. |5 ^: k" h: u% N6 W' B
requestVariant[0].vt = VT_BSTR;2 u b3 \' t" L" b2 s {+ E
requestVariant[0].bstrVal = itemStr;
- `0 P* ~0 m" k. V+ B, e
+ @# q9 P+ J/ P) W topicStr = SysAllocString((WCHAR *) L"system");
" {7 \1 d: P( d; w9 V# D2 y: k VariantInit(&requestVariant[1]); 0 f5 T2 S* `7 k" o, I
requestVariant[1].vt = VT_BSTR;" Q/ C1 ?# I5 L( z- _4 m6 g
requestVariant[1].bstrVal = topicStr;
. Z7 K V( f7 H1 k+ j1 @" y, k- K. O) G8 b1 ~0 Y8 f+ y
// Set the DISPPARAMS structure that holds the variant.
7 n8 M& m r# d) [" ]3 Z7 N
9 L6 z) C( i) l4 x$ d/ c dp2.rgvarg = requestVariant;
# Q3 C& s" z- u1 `0 Z W8 D& O dp2.cArgs = 2;' r4 q* |6 C5 ?9 M, j: [" Z# W% x
dp2.rgdispidNamedArgs = NULL;2 Y4 ^0 ~/ o% P- @
dp2.cNamedArgs = 0;4 n8 I' a% X4 B% q4 x5 ]
4 a+ y. t+ Z' z# K8 U' n var.vt = VT_EMPTY;& H0 I0 L6 W! g* e
& V$ U% D, {3 k. }7 w! d
// Call IDispatch::Invoke()% @9 O6 N @1 y/ [+ v( X" I8 V
. }0 Z9 U; @1 h
hr = m_pDisp->Invoke(
$ ?# e. }. a3 W; \ requestID,8 k9 t2 V: h$ K4 L; A
IID_NULL,8 w3 |% u* I1 `% R% K* g
LOCALE_SYSTEM_DEFAULT,4 q3 F5 I- s2 X# |" M* a
DISPATCH_METHOD,: \( b( @4 B; \% V+ G5 _
&dp2,
7 k; W, |+ q0 g- a &var,
, Q3 g: s f ? &ei,! m' \/ k: H3 B& m2 X
&uiErr);
& F7 D2 A" r/ X/ n, j1 `. n; S# {+ t$ T: o9 N
SysFreeString(topicStr);
: b: e$ Y% E1 [) g" C3 A SysFreeString(itemStr);
* C) f4 [! y5 Y& K) g请问该程序是获得extend里面的哪个值?
6 v5 y5 i% p& E7 I; z$ \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???? |
|