|
|
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:
6 S6 I" i0 T% W: \9 N3 z- A$ tName = (WCHAR *) L"Poke";& `& W, s. S5 k9 [1 ]9 O4 k
, m7 j. G1 h) P0 D* i
hr = m_pDisp->GetIDsOfNames (0 x; `7 Q A6 [7 _# f8 i0 o
IID_NULL, // reserved! f# U$ I0 O% z7 a) N3 l0 k
&Name, // Array of names to get IDs for
5 {" N2 V: Y0 i; d2 p& r 1, // # of names in the array. B. W$ n! z- B; H& O# r
LOCALE_SYSTEM_DEFAULT, // System locale
7 q0 ?8 z1 P+ H& H# |7 z" F &pokeID); // Array of IDs to fill on output- B. c5 m9 m. t: d9 a& Q
9 P9 U; c* f" [* Z/ B' H
if (hr)* O [" ~! S2 c- t' n5 g# m1 T
{+ ]' J. I/ v) T' ?5 V3 q0 v* Y
MessageBox ("Get Poke Unsuccessful");
) }" p) ]/ a/ P* j0 M" P return;+ x0 w2 `/ \# |. f
}6 _+ f4 `; C- _! M& r
# E! {: d, ]2 `0 k( u: ]) t, h2 `
/**************************传递数据给extend**************************************/4 {$ k |4 n K L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 o% |- K& {/ J
& Y; T, N2 j/ E# S4 B1 q% h. Z9 Z* V" x4 T3 a valueStr = SysAllocString((WCHAR *) L"1232");
$ q Q+ k- W% } VariantInit(&pokeVariant[0]); % c: Q# u7 {, S, N# u- C
pokeVariant[0].vt = VT_BSTR;
. k H! o; e8 L2 T pokeVariant[0].bstrVal = valueStr;
* V3 \4 l5 f- o" e8 m8 H7 p* F9 R3 G1 [+ ~8 @, v
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ G8 l: B6 H- Q( V' w0 M+ W
VariantInit(&pokeVariant[1]);
2 p6 v, N2 H+ M6 N' A pokeVariant[1].vt = VT_BSTR;
' l3 N+ a+ n8 |8 y$ ]( P% ? pokeVariant[1].bstrVal = itemStr;
* v% ^8 C! k0 ^( S( W5 X# V5 k- [- G: |2 I6 K
topicStr = SysAllocString((WCHAR *) L"system");& g) s# W% f' S3 |! |
VariantInit(&pokeVariant[2]);
7 T; M2 ^: A) b0 B pokeVariant[2].vt = VT_BSTR;7 J4 w' T" f$ C
pokeVariant[2].bstrVal = topicStr;0 G( E9 Q% L# H1 w2 r! c Q
: [+ c8 M6 k. Z// Set the DISPPARAMS structure that holds the variant.
" `5 j/ O, p* \- g9 N/ P
# ^& C& I6 o* U1 K8 L dp.rgvarg = pokeVariant;
- z' j5 W" Z9 I( Y8 f9 m6 H, [$ g dp.cArgs = 3;9 |( Y/ N5 O6 }3 p0 Z: h
dp.rgdispidNamedArgs = NULL;3 u4 w, A" [0 n/ @* i K
dp.cNamedArgs = 0;% X; u" \1 X+ d' K, s, b
7 e# g( b4 a1 u1 q4 p' Z7 R9 |
// Call IDispatch::Invoke()3 M# J' x+ n- @6 O% R$ q) [
1 U% z+ u; p# j' @9 K hr = m_pDisp->Invoke(2 K8 U" a9 Q3 G7 @1 f
pokeID,
/ B' @2 _" p4 e IID_NULL,, x8 J+ a5 S! [; Q& u
LOCALE_SYSTEM_DEFAULT,
8 V6 G2 R% d1 [ DISPATCH_METHOD,
( N# {, h, A9 C' [! J: x2 f &dp,
3 R' k7 Z- x4 A NULL,; v9 q; E, K) _; E4 Q# I* ~
&ei,
: v* @$ g& k1 x p" P &uiErr);# P( }+ a. ~( b- x5 {5 ?. A" g2 \
1 e' |8 d/ F* c6 D
SysFreeString(topicStr);# k( K/ r( Q% z: f
SysFreeString(itemStr);' T6 Q8 z* R. h* y
SysFreeString(valueStr);
; ]( h; _( u: P# g4 U5 N( c- J$ j
6 S1 v4 L* `4 c6 Q( R4 ?) j+ g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???8 J) a+ n# F- z" R5 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????
# }% p, ^- r6 D3 {3 d9 ~: U4 @+ i7 Z
" [+ V. o6 h, _; k6 S! D$ R
! y; Y1 P- V& d$ y2.这是request的程序+ b3 ?+ U% k7 n. f7 e" k
// Request a value from Extend
9 B5 R5 A& y ?( c& x, H( o I& s//
( x# I/ r0 V, t4 c// Initialize the variant that will hold the BSTR. Set the variant's0 v9 R% f, ?$ y3 ]0 A& D' ~
// type flag to indicate the fact that this variant holds a BSTR. Place the3 Y4 }" G4 F; i- H7 H! u' a! b
// BSTR into the variant structure.
6 R7 p5 e# R& I5 `1 K
0 W9 ?9 D# O8 A requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
( d9 V( M! H+ Y) \* I% d
7 n5 `6 t6 V/ | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); I! |* @0 b, E n# v/ A& v) i
VariantInit(&requestVariant[0]);
7 J$ i/ j: @! n/ m7 @/ j requestVariant[0].vt = VT_BSTR;! y& l5 H$ ]' f- A* n
requestVariant[0].bstrVal = itemStr;7 }6 e0 e; e( C4 j( X0 @7 s
+ X7 G' ] A# t
topicStr = SysAllocString((WCHAR *) L"system");
: E/ g4 C1 o) p9 ?; U, o7 O VariantInit(&requestVariant[1]);
! S# ?; O. |8 I- K, y& Q$ u& m, c requestVariant[1].vt = VT_BSTR;3 @# L: t+ S& E! W- v& X
requestVariant[1].bstrVal = topicStr;
5 H+ N& M# K& {# L) K6 m+ K6 X
' p# V" w/ G% ?' D: A// Set the DISPPARAMS structure that holds the variant.8 X! z' o4 j; r1 U8 l% @. p
6 L, f: y1 U/ l7 V4 r, k dp2.rgvarg = requestVariant;; N5 N8 E; p* @ T. `+ b
dp2.cArgs = 2;" [0 {* K+ E1 f( ], }( N
dp2.rgdispidNamedArgs = NULL;7 K4 I- d6 Q5 \9 \) Q
dp2.cNamedArgs = 0;1 n3 q. z! Q! P. `3 ~8 {" F" S
6 q5 R( b# w" n X$ ?5 M var.vt = VT_EMPTY;+ u9 N$ [/ p: i3 Y( X8 g
( S5 I6 g& F. g; G8 X/ D: u+ Y// Call IDispatch::Invoke()& j! W8 u( W: m% X) f& Z3 }
( j6 J) ^# x7 o# t0 \4 {1 | hr = m_pDisp->Invoke(" T3 i8 o3 F; B. v) D- j" S
requestID,
9 i( y1 t( h- g `) n IID_NULL,8 Y) q. V( R3 ?8 [4 B! h6 ]/ P) E
LOCALE_SYSTEM_DEFAULT,
8 b' ^5 Q% k J$ Y/ {" c1 S DISPATCH_METHOD, @/ g1 n- C% f% D
&dp2,, U7 [( Y1 d* B
&var,) z$ w7 _1 c- S; o$ t5 f
&ei,
- j B: D; u- q. O &uiErr);7 }$ x+ j d4 [* E l' y" Y8 ^
# B9 ~2 r+ F# w3 H5 A8 h
SysFreeString(topicStr);
9 i6 {1 @, X5 }$ o3 U SysFreeString(itemStr);
/ r0 Y1 ^, Z+ m/ P- V! J2 W$ w. R1 n请问该程序是获得extend里面的哪个值?
$ \/ U1 {8 C* h( J/ w" L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???? |
|