|
|
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:
/ l: r# X- S2 @: DName = (WCHAR *) L"Poke";
3 \ S8 g" Q' Y; U# R * P N7 P) }/ T5 K6 N$ O
hr = m_pDisp->GetIDsOfNames (
2 r/ s7 C1 R- H, D5 G1 a IID_NULL, // reserved
`5 t) [3 a0 W( d, \ Q &Name, // Array of names to get IDs for2 L. i! s1 D1 Y2 x1 c J
1, // # of names in the array
- g* O) x5 }1 O5 e- [# P' `2 _ LOCALE_SYSTEM_DEFAULT, // System locale/ O5 X6 E/ B+ ^- u& R8 g) m7 s! t
&pokeID); // Array of IDs to fill on output
7 ? ]! c5 B1 V9 R & T3 m7 e0 w- ?( V- N% E$ Y! t a
if (hr)3 M5 P( J& y _" b5 i% O. d
{
' y- }9 Y. a% i$ t- K MessageBox ("Get Poke Unsuccessful"); i! G: O/ j) ^
return;
, C( n0 @9 Q- i1 B8 j/ W }! j& a4 S/ _+ \
% p' `2 Y# e& P$ B
/**************************传递数据给extend**************************************/
, @( s* J; i) E) W, b. P6 z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
7 P! ` N- Q( i1 b/ l/ ^9 o6 p" l + c9 s p/ X& m4 _- Q* U
valueStr = SysAllocString((WCHAR *) L"1232");: n3 K4 R8 u# A3 a Y
VariantInit(&pokeVariant[0]); 3 S$ @2 N% R2 w! d0 Z5 Q: I* g1 B
pokeVariant[0].vt = VT_BSTR;1 B1 g: p& }0 s& R( K' A
pokeVariant[0].bstrVal = valueStr;0 W) o0 G: _6 u$ [8 h; r
1 O% J6 F- H* t' S) R) I& q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# b3 s5 b4 _0 ~+ k+ W VariantInit(&pokeVariant[1]);
* I0 a/ q9 S! z- ~2 w' D3 y4 V pokeVariant[1].vt = VT_BSTR;' [- ?# E6 }7 F" i
pokeVariant[1].bstrVal = itemStr;
# O) k9 r! b# ?" O& r C: g. x
9 w$ s2 g. J& T8 i3 P6 B topicStr = SysAllocString((WCHAR *) L"system");
% c( h$ h" {" h VariantInit(&pokeVariant[2]); ' V; W) Z3 T! k0 N) }) z- h7 b4 c# d
pokeVariant[2].vt = VT_BSTR;
$ M; @% a+ a6 |5 Y0 O2 R pokeVariant[2].bstrVal = topicStr;% Z0 Q+ g8 Q. p- d- K* e9 h( h
9 f* l# z* m. _7 S; R// Set the DISPPARAMS structure that holds the variant.' b' N9 n/ ]% K( n( x0 E3 Y( p, ?5 R
`8 V- n0 n' N& g9 z4 o- X dp.rgvarg = pokeVariant;
0 X6 ?( e3 P# G dp.cArgs = 3;
5 L1 y. h& k3 d, J. c( V dp.rgdispidNamedArgs = NULL;! f8 ~, `7 r) [: D! Y$ T
dp.cNamedArgs = 0;- U0 ]7 r) u0 V8 W
$ K: I* B- T8 w$ H1 v
// Call IDispatch::Invoke()
?# S8 ^5 P/ Y: G0 l& i6 N( K
' L# w9 g" ^0 i; N) p hr = m_pDisp->Invoke(
0 ]% _0 J- ?/ k) U! ` pokeID,/ o4 J9 o% H& a
IID_NULL,
2 M! z9 I* I/ f2 r1 f. v6 h LOCALE_SYSTEM_DEFAULT,5 C* V2 J$ O6 b7 j4 e/ @) [
DISPATCH_METHOD,
$ w2 W" P7 q1 Q+ Z: N, ~$ l &dp,
9 r1 _ q* g1 h" U ?$ i NULL,
7 j0 U. u5 v& `) T7 q" ?0 C &ei,1 o3 S6 [" ?3 Q. c# R- l# A. T
&uiErr);8 p' F- E& F4 Z0 T5 G, t" d( y
2 M4 C' U0 B4 |; Z/ I* g& b+ ?9 l
SysFreeString(topicStr);
; J" }3 S% k5 j4 h7 Y3 J; S SysFreeString(itemStr);
$ x, f/ E* p5 R B1 \ SysFreeString(valueStr);% l8 L# @) b: _
, w1 Z1 K% I' m2 e
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???! [' @- _* [# I1 F: l9 m
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????
6 Z! W3 }+ f4 g) q z& F/ r# _ {4 w4 `6 h! Q9 D0 \- Q
# C/ U: s8 _! t/ b4 C8 b
2.这是request的程序1 b- |- ]3 ]: ]
// Request a value from Extend3 Z" p' ^9 K$ O/ H' F, G
//
! ]0 t) u5 z2 N5 G4 V& Y! r9 F// Initialize the variant that will hold the BSTR. Set the variant's! C v. X" c8 c* v( g% P
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 ?3 n" L. N' S+ m6 q* E* W/ d// BSTR into the variant structure.
) a9 f( P# X5 v4 y U. x- o2 M. _
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' Y/ |5 o B Y! |7 ]' P9 Y1 m
5 `+ i$ i1 e o5 J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% B, }1 p, y$ X& @& }$ I3 }! o
VariantInit(&requestVariant[0]);
) H6 Z3 I$ F) H7 }: n8 T+ R requestVariant[0].vt = VT_BSTR;5 e: E0 h" I" r. U/ A
requestVariant[0].bstrVal = itemStr;& h( X, q& w% s+ L9 Z
& [/ ^% H5 Z4 ?" Y topicStr = SysAllocString((WCHAR *) L"system");% E, l+ N( _" F# `
VariantInit(&requestVariant[1]); . m0 Q: D' b% {9 ^" d P
requestVariant[1].vt = VT_BSTR;
, P( Q4 c+ z) q3 T/ n requestVariant[1].bstrVal = topicStr;
$ Y h% O" j8 k1 B. `
" T* z# \" \; B) Q// Set the DISPPARAMS structure that holds the variant.
# C9 B* }% S6 v8 w' E
C, A8 I- o! ]; e dp2.rgvarg = requestVariant;
- S4 T" X' s# |: a& n dp2.cArgs = 2;
! n* {& c, M, k3 ? dp2.rgdispidNamedArgs = NULL;
: H1 e0 k: \* C: L5 O, S* Z dp2.cNamedArgs = 0;! ^1 l! i: f1 f+ w" u" R
# q7 S- P) e. H+ ]) e/ X5 f" k
var.vt = VT_EMPTY;
: z" t M3 c& Y) P& @% X T$ Z; k& R/ D% u8 I
// Call IDispatch::Invoke()
: m9 `& x8 n" W# j" K: Z
3 Z' t* t {) S hr = m_pDisp->Invoke(9 [4 d5 b9 B {7 J
requestID,
' z+ M1 Q7 K. I$ |4 i0 W- d9 a IID_NULL,( }/ B) i0 R* W+ D( E- s
LOCALE_SYSTEM_DEFAULT," N* T) D) ^9 f5 _7 V
DISPATCH_METHOD,
- m! y/ c3 t! D, Z! y# I &dp2,+ C& Z- y: N6 U) R
&var,
; b- [; Y. [' D &ei,
. {9 M5 X5 q: Q, E: J( ] &uiErr);
! J m& n6 o1 c4 Y/ j( [8 x2 Q" Y" i+ D) B. f# H1 v, o
SysFreeString(topicStr);
# h* S) K5 a% v: D h* R7 t; q SysFreeString(itemStr);' G& C8 q5 k2 |% P3 l: ^0 h
请问该程序是获得extend里面的哪个值?& _0 V" z* H9 Z1 R# O
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???? |
|