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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 v6 N3 T" t) x, r' p
Name = (WCHAR *) L"Poke";5 H/ p. |% L3 h) F, c
. h0 i% Q+ A$ ?1 A% `! ? hr = m_pDisp->GetIDsOfNames (
0 c9 F, C9 ]( c6 W' T IID_NULL, // reserved2 _" x* k( Q. y5 d2 |* r. ?! D( {+ }
&Name, // Array of names to get IDs for
& ^5 g% f; H( r% i3 d. \: K 1, // # of names in the array
% k2 ~) o8 i/ k6 L. ^7 G LOCALE_SYSTEM_DEFAULT, // System locale
* _$ l8 g9 g7 w: x& X- S* p$ M& B &pokeID); // Array of IDs to fill on output
4 f% k6 `$ T7 ]1 M
4 d6 Y" g1 ~ N: l- m if (hr)8 F" l* d ^/ |- K4 U
{
. x" y- r1 Z; L& d; u: M MessageBox ("Get Poke Unsuccessful");( p8 }: j6 [ v) p" W: K
return;( `) ^' p; |" s
}! m! }/ n8 x6 r$ b
: [9 _) e8 l, x4 _/**************************传递数据给extend**************************************/
0 b8 h0 H5 W+ |* k$ w, \5 k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) C) b8 O; }. C# {5 y 0 t0 P/ |$ {$ S9 G& V
valueStr = SysAllocString((WCHAR *) L"1232");+ f4 u3 g/ T$ |, b- e5 Z$ _
VariantInit(&pokeVariant[0]);
6 ]) l8 N! c" v pokeVariant[0].vt = VT_BSTR;
6 f- h$ D, r- a6 e pokeVariant[0].bstrVal = valueStr;
7 I: G/ y" Y7 U5 j f" r- D6 }& z' ?5 X2 Y9 |
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( i- L0 f x/ L
VariantInit(&pokeVariant[1]); 5 v; e$ A7 C3 w# G" o, k7 s; I C
pokeVariant[1].vt = VT_BSTR;1 v" K( `& N: v: c
pokeVariant[1].bstrVal = itemStr;
9 a; z% w; d0 M- B2 h2 G, c+ a0 C' d5 l! \$ p1 G- I) A6 J
topicStr = SysAllocString((WCHAR *) L"system");' D ]4 ^! P- D& ^1 f
VariantInit(&pokeVariant[2]); ( g9 d* D/ x5 o% h% [! b
pokeVariant[2].vt = VT_BSTR;
/ ?% q% Y1 w7 P0 o8 a pokeVariant[2].bstrVal = topicStr;
2 _, \% {8 i# W( U z0 k. h6 U, T! l% `& e% M
// Set the DISPPARAMS structure that holds the variant.6 `$ V: q9 n/ u( y
, d9 ^* X0 M% e. f& _, k
dp.rgvarg = pokeVariant;0 o; p' B4 @0 b. @
dp.cArgs = 3;
8 W; l9 H( ?! o& C dp.rgdispidNamedArgs = NULL;
1 I% a a( X6 M3 m* m- r% M+ g dp.cNamedArgs = 0;
9 a/ c/ S+ @# Z# Q. E) g( Q+ d: \( p8 `$ j$ {
// Call IDispatch::Invoke()2 ]9 O$ f( p. M" e
: x; x2 Z" P5 Z- C+ p
hr = m_pDisp->Invoke(
7 j' b5 R8 ]6 W0 W( y8 \1 h7 H) ^ pokeID,# t# N. k( p' p- j6 V3 M
IID_NULL,& \& A- p) Y8 T0 `
LOCALE_SYSTEM_DEFAULT,
" @/ U8 x I9 S- f% P# w- k1 [ DISPATCH_METHOD,* ^9 l1 _2 Q. o5 y T2 d& D! w( E3 g; l
&dp,* X; c$ Q1 T6 E3 e! l
NULL,, u3 t! W; X% G$ b/ l' V
&ei,
. K5 r7 [4 G F0 Z3 r &uiErr);/ F3 X/ a8 a: t0 ~, r7 k
: U/ p i/ n4 u$ A4 ~ SysFreeString(topicStr);
2 Q# i* ~% r0 ` V SysFreeString(itemStr);* k0 x' a0 a j3 A1 g6 l
SysFreeString(valueStr);/ `3 a) i u: v; I: ^
0 T7 s6 z2 r/ c: s" n( F( s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 O' s+ |5 N! v$ l6 u( h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？？？？) E; E+ j' s: i8 e
& C* H# L0 e5 r2 Y
! [' ]8 R, C: U, v' i2.这是request的程序5 x9 s3 o0 X- Q6 [
// Request a value from Extend
8 k6 L4 j E0 a3 [/ @- v//. W3 f- d3 n/ z5 {" `
// Initialize the variant that will hold the BSTR. Set the variant's
; y+ ]7 j6 K3 [: G5 @. } E' u// type flag to indicate the fact that this variant holds a BSTR. Place the. q7 ~- e/ E C1 C# x3 u O
// BSTR into the variant structure.
$ c( N1 U+ j7 ]$ G$ y2 w7 L7 t( z0 V
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 S9 Y/ @6 F! d5 A
: r, e( g# z I8 m" v+ u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ b8 q& c6 p$ i, s. Q4 t* L H
VariantInit(&requestVariant[0]);
7 ^1 m; H7 D+ J3 O requestVariant[0].vt = VT_BSTR;& x7 J# ?/ M1 s f, W
requestVariant[0].bstrVal = itemStr;) g$ A9 W" z# Q' Q% d3 J
. J/ Q% q1 m# l* h/ C
topicStr = SysAllocString((WCHAR *) L"system");
& F! I) ?. o9 K& J1 j% B* u3 z VariantInit(&requestVariant[1]); ' i) _2 d% z( e. b* h
requestVariant[1].vt = VT_BSTR;
# o2 W3 F8 P2 X requestVariant[1].bstrVal = topicStr; [, d, `! J: n# g0 i: I! |+ H
0 g- K0 m. f% j// Set the DISPPARAMS structure that holds the variant.
3 U0 K! o' J* N: p
& v7 d E' i# E- ~ dp2.rgvarg = requestVariant;
# N- y$ b8 Q$ c/ G; H7 N- m- U& D dp2.cArgs = 2;
% X& {. i S o5 G; b3 `' ` dp2.rgdispidNamedArgs = NULL;" l9 d; R2 O) L& J
dp2.cNamedArgs = 0;+ U6 T- H, Z( q6 Y% ^' g! H
" Y A; t; @5 `3 s4 i var.vt = VT_EMPTY;. I/ g$ a8 z$ S
% ]2 ?4 m5 r8 C! Q* k// Call IDispatch::Invoke()
9 ]; k- Z: K c6 c+ F s2 o) s' r; @9 _) ^
hr = m_pDisp->Invoke(
, U' p* C: i( `( A2 I( X requestID,
/ }$ n$ P2 _3 Y9 r, [- b IID_NULL,
5 Y; @7 \9 N7 l6 f9 V4 R7 w6 \ LOCALE_SYSTEM_DEFAULT,
' ]& `; w4 [! r) t! C) d DISPATCH_METHOD,- p( n. t& W6 T% B' r; q! g
&dp2,# W @* s* o2 I9 N; Q
&var,
% b1 X+ ?0 D& ^- o &ei,
# z; p- R2 X& R' }" T/ g5 X) l &uiErr);
" F" k% U% D5 X
9 o5 V8 Q. L" i4 W' J7 P SysFreeString(topicStr);/ f! y) P4 |7 d) o0 {* M
SysFreeString(itemStr);
0 _( S9 e: B3 H1 E; V请问该程序是获得extend里面的哪个值？
* W- L: B0 j5 I W# Y: D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？？？？ |
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发表于 2008-11-25 19:37:03
