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:8 A8 {( d C: G
Name = (WCHAR *) L"Poke";; J* ~: t7 m) I5 x5 ]
' s6 t. f8 v! C3 n- m hr = m_pDisp->GetIDsOfNames (* P9 k9 j! o% f
IID_NULL, // reserved x6 E' g. ^& j
&Name, // Array of names to get IDs for2 k) ^( q* M' Q. A9 r3 ]/ {) Q
1, // # of names in the array% ~/ ~; \: D) |6 a6 ^; ^/ i7 \& I
LOCALE_SYSTEM_DEFAULT, // System locale" P. V5 C6 V: t
&pokeID); // Array of IDs to fill on output2 L, Y' L9 a; a
$ c+ D m/ q r V if (hr)
$ d+ |4 z" L: M: [9 L5 a( E {. J r' J- G6 l2 n' @% C) x, x
MessageBox ("Get Poke Unsuccessful");
0 x+ {% T; X4 p& O# P return;4 C) Z( n- Z3 j2 j0 y
}8 h5 v/ J G& v2 I, T
4 H' ~, r; z0 C6 W /**************************传递数据给extend**************************************/- J3 b+ r# h9 q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 q- K. c- J, E4 j2 o! g8 h
$ z8 L' I5 J0 g7 X0 r) m valueStr = SysAllocString((WCHAR *) L"1232");% c+ ?) S' e5 ~8 f# c, L4 G+ T
VariantInit(&pokeVariant[0]);
' H( X5 l! N' A& l% _ pokeVariant[0].vt = VT_BSTR;
. Y# p/ I2 l2 F) H6 ]4 d+ ~ pokeVariant[0].bstrVal = valueStr;
+ Y% m# z; z! Y1 J
) Y1 S- E6 I* i1 A' i) T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 A$ p+ S# j0 O3 R% C, K, m2 b VariantInit(&pokeVariant[1]);
0 k# f$ i+ c0 t" O' M3 I( S! { pokeVariant[1].vt = VT_BSTR;
+ J) [8 M8 X8 I! D pokeVariant[1].bstrVal = itemStr;
& A l5 J+ B( Z & f& h) _5 W# s& r2 K! t
topicStr = SysAllocString((WCHAR *) L"system");
& Y! R. o2 i: ?5 H9 N C9 x# m VariantInit(&pokeVariant[2]); 8 ~) P1 Y& k4 x$ {+ w; t; P' z' g b
pokeVariant[2].vt = VT_BSTR;- _: s r& Q) c2 Q( U
pokeVariant[2].bstrVal = topicStr;2 m$ t: r/ n/ d
, S1 j2 o( U5 E2 Y }6 l c0 E* P // Set the DISPPARAMS structure that holds the variant.
. B0 l' f: \# l7 G8 u* G ! T( W/ Y7 |. v* x$ F; K
dp.rgvarg = pokeVariant;
0 A; t) K% R7 z2 `2 D dp.cArgs = 3;. m6 |/ ]3 j' r% v$ I. L
dp.rgdispidNamedArgs = NULL;
8 A! C# `& a) D/ a& K3 D0 Z5 Q dp.cNamedArgs = 0;5 `7 Y+ y3 t9 S
! x2 ~) \- H5 w3 h // Call IDispatch::Invoke()- T6 K! D7 J+ T+ T
8 E2 Z5 W- a$ _: o7 W3 A8 D9 [- e _) H hr = m_pDisp->Invoke(
) E+ |5 ?# }& T7 j( u( ] pokeID,
: g( x; r* B% a) Z+ c% a/ a IID_NULL,4 k$ m$ h" K* T& R; [" o7 c2 ^
LOCALE_SYSTEM_DEFAULT,
, K1 ?7 j0 }+ y) Y, Y: [% | DISPATCH_METHOD,
0 I* ?5 M5 q# H3 n1 O* } &dp,) H" D' P; l. y( T; Y0 E& z: o
NULL,
P# j& X l7 r &ei,
' V, S0 x4 H' e6 t% Z* T &uiErr);
) G& {3 m3 g6 ?1 ]4 |* ? V) m
- H3 ]$ X0 T Z0 N& O4 D/ K+ L: z I SysFreeString(topicStr);
, R) G9 W- p6 q Q* J! I SysFreeString(itemStr);& U2 E& J) G5 v0 ~! g0 \% P V5 L
SysFreeString(valueStr);/ Z! g* d* A( H7 T
$ J3 M X o0 X% ]9 p9 ~9 c
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???
5 T1 s# y6 T5 h3 T- c# S+ c 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????$ J; c I& w8 L6 X! I* A5 i2 Z( I- B
0 t0 [+ F9 L5 z7 i! u# C3 a x) }
; e& V! `9 [. Q6 ~ 2.这是request的程序! x2 ? V" I! H* V# Z
// Request a value from Extend
3 Z: J$ J; d, P! o+ j // L9 I+ P# v8 J% N N
// Initialize the variant that will hold the BSTR. Set the variant's
# z' u* w" y' N/ k {5 k$ g // type flag to indicate the fact that this variant holds a BSTR. Place the
# ^: s& O" A/ Y$ g) G7 d: e // BSTR into the variant structure. q+ S) F, A' c" ?
" l9 u" _9 ^: i) C3 s8 O) w4 e
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 W' V* B: ^" n) V
7 g B* f0 U/ c3 `/ W, P! }) R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 \- ^! q: [) J% B- {: v
VariantInit(&requestVariant[0]);
( R$ V2 l( _7 s+ ^" {; f0 k3 W4 ` requestVariant[0].vt = VT_BSTR;, d6 d2 g# u+ x6 a( T0 w' U4 E
requestVariant[0].bstrVal = itemStr;1 V7 R( _ h2 t) h
! I% P9 e# g# z3 u; E
topicStr = SysAllocString((WCHAR *) L"system");6 V3 E0 Q0 }; q ^" q& _, C
VariantInit(&requestVariant[1]); , n6 Q: y7 ]9 r
requestVariant[1].vt = VT_BSTR;7 A; L' }: D: e9 V+ ?6 C
requestVariant[1].bstrVal = topicStr;4 G1 b: {3 |1 B- `5 ~
2 u$ m- Z4 V0 U# @$ I6 _
// Set the DISPPARAMS structure that holds the variant.( O9 y/ u; X: c& }2 K
4 ~3 }$ t5 }1 J dp2.rgvarg = requestVariant;, Y e6 T/ X/ |
dp2.cArgs = 2;
2 j- {2 N. X5 w" J+ S' O dp2.rgdispidNamedArgs = NULL;
+ o% H3 r& m" U3 g, b dp2.cNamedArgs = 0;
( P) E9 Z4 o! u% H. E7 n# e
7 e* q( B8 W" F: r var.vt = VT_EMPTY;
) I/ w; v" @8 W( p& Y1 K' y! W+ ~ U 3 A; }! c m+ ]- \! B
// Call IDispatch::Invoke()* I2 c0 T5 x, Y& I( Q
% G6 j+ w c: G h8 d: H hr = m_pDisp->Invoke(
! I s0 i9 k! F5 [, q6 x requestID,8 ]% e( H4 \8 \, f
IID_NULL,
1 P$ R" j* x3 @' ]; y6 t LOCALE_SYSTEM_DEFAULT,
& [! { K; S9 y1 }- S DISPATCH_METHOD,
. q5 S: a4 ^" w3 d/ B/ b &dp2,! ^' s! @. ], Z& c: i$ {
&var,: ^& y6 k4 _; \. M" Z4 Y9 b
&ei,
3 \; ^$ s3 l0 ]& u( n6 |. B &uiErr);
" X) y; l" N& z. U# S , K. a4 N; o) w9 z1 f4 H$ l: d
SysFreeString(topicStr);
& H3 n4 ^/ E2 s# w9 [* e SysFreeString(itemStr);
5 F3 w. ^/ h w' c0 `- K 请问该程序是获得extend里面的哪个值?+ r; f5 t# {7 `4 h8 O, V. R2 R! t
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????
我来回答