|
|
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 r& B, u+ {! f3 K& |' W5 n* c6 OName = (WCHAR *) L"Poke";; ~8 b6 [" z8 C) e$ z
@- g/ W# F( I- Z
hr = m_pDisp->GetIDsOfNames (
; O h( S' P/ w8 [5 n0 o6 F IID_NULL, // reserved
; H& g, D7 p4 N2 s, P6 F &Name, // Array of names to get IDs for
, [9 l, o3 C& W5 q7 K6 _) J 1, // # of names in the array
. Y4 q1 X$ ?! V2 G* ~5 W LOCALE_SYSTEM_DEFAULT, // System locale
3 w3 M. v* o% b &pokeID); // Array of IDs to fill on output$ I6 D& Y: ~* w3 {. w8 L
. ?6 n- Y( k" q if (hr)& V+ h& n( j* K P5 i4 d3 Y' i6 U
{
$ V; |+ ]; v$ p) ]* G+ m MessageBox ("Get Poke Unsuccessful");+ q8 c4 S( e! P* R* N( `* p f
return;1 G+ Z+ p" R$ e W6 g
}" i0 b' c* m2 \4 ^
$ j$ K3 C" }3 x" C% |4 a" S0 b/**************************传递数据给extend**************************************/
P) Y. }' i0 m$ f- A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 ]2 z" Z( S, T/ ?( R0 S1 O+ I
% @# Z7 _) V7 x- U' @" U
valueStr = SysAllocString((WCHAR *) L"1232");
- I. ^3 Y' _ ~, U! r VariantInit(&pokeVariant[0]); ; _ x0 u$ }8 ]
pokeVariant[0].vt = VT_BSTR;
$ e2 E7 V8 H( R" ~! ~7 T pokeVariant[0].bstrVal = valueStr;& Q* V [) ]2 `; C+ t h
/ ^$ s: N/ u1 J5 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 J( C7 v( y* `1 e$ k
VariantInit(&pokeVariant[1]); 4 U, R! Q+ a- ?
pokeVariant[1].vt = VT_BSTR;
: I% D+ Z! R1 j. H4 a7 J pokeVariant[1].bstrVal = itemStr;6 ~9 p! A/ }1 ~2 e% X
% V2 b* {2 [# N topicStr = SysAllocString((WCHAR *) L"system");
/ t1 B5 v2 j7 ?5 @& a& V) u0 p. c9 C; n+ N VariantInit(&pokeVariant[2]); 9 q% d# r- B! T$ e6 Y! s; v: W
pokeVariant[2].vt = VT_BSTR;4 @& s9 F- o" W% G' D. [5 \* v; X q
pokeVariant[2].bstrVal = topicStr;
7 X& y# a, r* o+ I
8 d% n) k- u/ J& j: b* D// Set the DISPPARAMS structure that holds the variant. p: j6 o k6 l# n/ N2 T( N
, O% _- n' E+ r+ H dp.rgvarg = pokeVariant;
" M& M; X8 U& N# b dp.cArgs = 3;
4 }& ~/ f1 x6 F4 A' { dp.rgdispidNamedArgs = NULL;
5 z: e$ e- }# y' w dp.cNamedArgs = 0;. R1 x* A" L I
3 t' E$ m& J/ z// Call IDispatch::Invoke()
4 i9 j/ H; M a# w7 N- L8 S9 q
, \8 Q# p1 a8 g5 j1 Q+ U ^2 U* A hr = m_pDisp->Invoke(
! o* Z7 P: l, [6 U) a: e5 t pokeID,, A! g7 L- F- F, o/ s" s# Y! ~
IID_NULL,
s5 S: ~* ~2 N( @2 w5 u LOCALE_SYSTEM_DEFAULT,; Y6 z e8 c% }. P
DISPATCH_METHOD,
. ~. L' v+ r) Q0 f. L4 G) i &dp,! P, s. K8 ~5 @3 p
NULL,
0 K9 n! F4 W3 v5 }: M2 C8 P/ f8 `/ E &ei,! Y) E# } m2 i* a/ e+ c
&uiErr);
. ?" D! r# Z9 t+ q5 F# a3 q6 d v6 a: N Z
SysFreeString(topicStr);3 a8 ^# I* q+ r3 `
SysFreeString(itemStr);
; C% o8 @% w3 x& d5 g; j/ Z SysFreeString(valueStr);
* q5 \0 N7 q q! J! K* `. M7 e) f" k8 q# o
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???* N! `; T! T: h5 v5 i
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????' b, X y9 R% ^6 M# x3 X
3 F, S! x" V; Q/ q. F% d! W5 t( p2 K( |& D) Y3 ?
2.这是request的程序0 s A' e+ `! `: K; K
// Request a value from Extend
: e- d9 L% x1 F8 b/ a// j* M0 B W ? [+ v3 a" t8 L
// Initialize the variant that will hold the BSTR. Set the variant's
! v, o# T {1 r7 U1 b2 M4 Z// type flag to indicate the fact that this variant holds a BSTR. Place the( O9 K' }) ?. ^0 n9 E( f
// BSTR into the variant structure.
. P8 Q" U2 _- F2 [* Y& c, n0 V' D, J1 m
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
( Y6 o; ~0 f4 p
: U% Y4 x# ]/ l9 p8 s w$ D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 X( X' c) b* ` w
VariantInit(&requestVariant[0]);
/ V( k0 {6 I' A1 W8 H; m5 J requestVariant[0].vt = VT_BSTR;
7 O" J, \! W! }$ | requestVariant[0].bstrVal = itemStr;
5 s7 Z2 Q2 s5 [, V3 ]$ |- }. _
5 O! Y* H# K( D4 |5 X! F& L1 \. S0 { topicStr = SysAllocString((WCHAR *) L"system");; E- d- K" c. O$ c+ e" K
VariantInit(&requestVariant[1]); ! O- ?, N |4 b% i: H5 [
requestVariant[1].vt = VT_BSTR;
$ s, G1 h M# U requestVariant[1].bstrVal = topicStr;! _+ y+ _( s- p5 i
& U% x# w1 K# ~; J* q0 |0 Z// Set the DISPPARAMS structure that holds the variant.
6 O+ D- {: p$ \: f5 G- S/ K
8 A; K% R! j' ]# c. K' g4 r dp2.rgvarg = requestVariant;
* D, z. o2 ]* R6 r dp2.cArgs = 2;
( I$ K) o( H' D1 S% u" f# u dp2.rgdispidNamedArgs = NULL;& h# Z3 S: W4 } @
dp2.cNamedArgs = 0;- B: A0 M, H2 L) k' |/ t. v
2 ], j) j4 d3 \! R
var.vt = VT_EMPTY;
$ w8 \& L g3 a& J5 s& z( {+ w5 C4 J
// Call IDispatch::Invoke()
* h4 R7 t2 W; ?4 P5 ?6 r0 x) c9 E) k# \/ U
hr = m_pDisp->Invoke(0 N5 t& Y3 O( Q, a- t5 \& g G
requestID,
& Z6 @5 J% ^2 B2 M `. J" K# P IID_NULL,
8 `* T" C. Q d: v( w3 v6 Y LOCALE_SYSTEM_DEFAULT,: j6 b1 s( [! v7 z# X/ H8 d* s8 I: @' S
DISPATCH_METHOD," ^& d1 p0 W/ {; T! O6 b3 M% R# c* I' N
&dp2,1 R8 W7 F5 d' f5 V
&var,
2 A* q5 u2 i. p &ei,+ S# x d. ^. e0 ~' z8 y
&uiErr);
, ~( ?: ]% |0 K3 m8 Q
5 p, D# |- u4 h1 y& [# h SysFreeString(topicStr);" Z* `6 x. @9 s: h
SysFreeString(itemStr);
# g- f% a* I) ]' ~请问该程序是获得extend里面的哪个值?
" N. J3 r& u0 v$ f6 a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???? |
|