|
|
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: f# ~# `: D7 C! M
Name = (WCHAR *) L"Poke";7 A& O% q; O! Z; q0 _# U
; |- Z) m- B% a$ o) P0 S) y
hr = m_pDisp->GetIDsOfNames (9 Q1 i3 Y# [5 j
IID_NULL, // reserved
: ?/ L* ]( d/ _; v$ a% q &Name, // Array of names to get IDs for5 P" g& P) X7 _8 h5 w
1, // # of names in the array$ e7 ]6 O, P$ q' s
LOCALE_SYSTEM_DEFAULT, // System locale& ^8 G1 ]3 U0 {- k# C6 O: }
&pokeID); // Array of IDs to fill on output
) q/ H1 r0 u" @- ^
! m, k: i( g8 m if (hr)
1 g, E2 S3 X. y4 } p {
: D' p4 l) \; N) `! G4 Y" M MessageBox ("Get Poke Unsuccessful");' t- }( ~( W" N* g; r" O+ O$ g0 _
return;, H6 k' Y2 z1 l+ f: e
}3 e2 C7 a. ^. {6 a, b
; [2 T& e# p) ~, L- w) ]2 O
/**************************传递数据给extend**************************************/
$ W9 p, K/ |) w+ A2 _( c' I% x pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: c/ X: q6 X5 \+ }. i" _ M7 T
. |" V% X# G3 ?6 q f. g u) I valueStr = SysAllocString((WCHAR *) L"1232");
" o; J. @7 a) F# _6 \% J VariantInit(&pokeVariant[0]);
, @+ D! i9 d; S' p" h) H pokeVariant[0].vt = VT_BSTR;
9 V& @# i8 G" u: i6 [9 m pokeVariant[0].bstrVal = valueStr;! A! k5 P3 O3 } H* L. O, G
( c0 ?/ m6 U* G+ r7 N: x' A* w% g8 { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, y2 T) ~9 e/ U, t
VariantInit(&pokeVariant[1]);
8 H$ |( k/ \7 F$ e+ ~2 M pokeVariant[1].vt = VT_BSTR;
0 u4 B; o8 \6 o8 V+ v+ ? pokeVariant[1].bstrVal = itemStr;8 L/ B$ { X% I+ S
: D& U0 r$ M- H. N/ e& M
topicStr = SysAllocString((WCHAR *) L"system");* V+ P( b" P% m1 v) s0 M8 ]
VariantInit(&pokeVariant[2]); ! ]* C# {/ _+ J, N' Y# C
pokeVariant[2].vt = VT_BSTR;
+ U \9 S/ Q9 p1 T9 F pokeVariant[2].bstrVal = topicStr; A1 f' r5 I, F
+ ?7 n6 U* V2 L* U3 ^% k J1 `4 ^5 o% j// Set the DISPPARAMS structure that holds the variant.
# M4 B5 I- E0 W8 k7 w9 E z, j) l( d* a/ {, C& ~* W4 S
dp.rgvarg = pokeVariant;
( k& O+ B% t$ u3 W% a dp.cArgs = 3;' _% Y1 N0 v4 l/ T3 C
dp.rgdispidNamedArgs = NULL;
A! G f, S2 j8 F# s dp.cNamedArgs = 0;
- K5 B6 o+ Q* F# ?) k, g3 \
% p3 A3 f. f0 P3 j5 T6 z// Call IDispatch::Invoke()7 b% W* r% J: }
4 X0 R; P b2 a( v9 X hr = m_pDisp->Invoke(
+ D6 _* m. U Z- G/ u pokeID, I9 `/ x C% ]! n/ ?$ O$ @$ l( [+ \7 r
IID_NULL,- N9 [1 _8 ?! U$ T# Y/ n2 j# E( I
LOCALE_SYSTEM_DEFAULT," `+ `% x) B3 ^+ a5 y3 f) S
DISPATCH_METHOD,' G1 k ]: d- K! ?- G# @% \! A
&dp,
4 v2 \8 u# g" z$ I NULL,9 F& ?0 Y N' m; D- z& T; O, _
&ei,% o3 u1 F! d1 J9 L7 J
&uiErr);
7 q' v1 X3 `6 d8 X; q2 o, S3 Q# i8 Z: n0 L7 k B
SysFreeString(topicStr);6 n) y; @8 G& \/ Q
SysFreeString(itemStr);
- R% ?7 m; ]/ c3 l SysFreeString(valueStr);* U+ _4 q/ B8 G( W! w
7 C: Y W" {7 P7 B9 ~0 t
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???
- j9 Y2 z! v6 m' U- |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 ^- ^; \$ K1 E& y
2 I, Y8 k x0 B" _% X2 T+ ]1 \
( s% ]& Y/ D5 [4 ~2 d/ U& _# x2.这是request的程序6 ~/ e& d; [" |: k+ s( I
// Request a value from Extend5 Y2 o( w, \0 r# P
//
4 S+ B7 f/ |/ K7 W// Initialize the variant that will hold the BSTR. Set the variant's
* C* C% j* j0 W% m% |2 A// type flag to indicate the fact that this variant holds a BSTR. Place the. s0 V" `* N, x0 }
// BSTR into the variant structure.: w& |( }- D; @# i- L% W
G w# w5 X0 o8 G! r7 F0 @
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ ~: Q. c: g% l; u, m0 u
/ C2 W- @0 l6 T+ t' T# x2 p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 ]. j' S9 \4 X! N VariantInit(&requestVariant[0]);
7 {. o& T, d. X& L% Z) N requestVariant[0].vt = VT_BSTR;
# z) t5 d6 a7 m) P* N" N requestVariant[0].bstrVal = itemStr;8 d3 e0 z! S4 J- E& A
7 D3 u6 k5 ]1 [ P& L9 s
topicStr = SysAllocString((WCHAR *) L"system");; B7 H( R/ w4 X! c( ~
VariantInit(&requestVariant[1]);
- {' a8 p( K, O, a* L- ?+ T5 Y requestVariant[1].vt = VT_BSTR;
. c8 O6 g' n* M/ D3 g requestVariant[1].bstrVal = topicStr;/ e; c: f7 N3 F6 S' f9 N' A$ A
+ _6 n# X# v) l- t8 J; T
// Set the DISPPARAMS structure that holds the variant.. g# O: L! F- t) P! w
* g$ Y. W# Q/ ^. c" {8 z5 H4 Z# h1 Y dp2.rgvarg = requestVariant;3 V: K1 }' u) Z1 ~3 g
dp2.cArgs = 2;. h7 o7 j: n2 t+ o# ^7 G
dp2.rgdispidNamedArgs = NULL;# L* y0 @4 _" |* P
dp2.cNamedArgs = 0;
2 {8 i& m& h$ c
' Q- l% q( s3 n var.vt = VT_EMPTY;
. r. u* R* g6 ]5 ?/ T
2 j- J- J' V+ p0 k9 f! w/ l// Call IDispatch::Invoke()$ b) D0 ]7 c2 z2 q1 e
) y% L+ I" j9 h7 F$ F) p7 V% u
hr = m_pDisp->Invoke(+ ?1 F9 Z2 k ~
requestID,
6 B; t5 @; y# j$ u2 j6 _. j IID_NULL,
8 _ J& G- s: }8 f LOCALE_SYSTEM_DEFAULT,' e$ {9 Z+ ~+ e4 l1 B
DISPATCH_METHOD,
7 D! p% l/ B4 Q0 P &dp2,
4 V; j7 F H/ M' e7 [7 U4 p4 e &var,
( _6 Q2 ~" C c: u* Y# X &ei,
+ V. U( r! \" U( F" J+ O; w6 W! r &uiErr);! A! C4 {, E+ u- I
$ I+ |* H" B3 R8 J
SysFreeString(topicStr);
/ T- r7 v2 E: m/ V m SysFreeString(itemStr);
, g6 L) d+ S3 ?5 C请问该程序是获得extend里面的哪个值?
# w3 h D9 G$ E4 w+ [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???? |
|