|
|
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 [7 d( l5 K6 y* Z9 y2 `, I
Name = (WCHAR *) L"Poke";/ U S& g+ C# d* Y- U, r# I
) O9 }( X9 x! B! ?- i8 i
hr = m_pDisp->GetIDsOfNames (* x0 O* }7 E$ ~8 x. }1 d
IID_NULL, // reserved2 E+ w, p& Y3 d
&Name, // Array of names to get IDs for8 ?0 K, |! _/ X o
1, // # of names in the array
5 O' x8 m1 N, k J) @9 g9 b LOCALE_SYSTEM_DEFAULT, // System locale: \/ g: ?' u% w5 G5 O" Q2 }
&pokeID); // Array of IDs to fill on output
: D$ o# Q) L) b# x o+ c% G, s ( y. v1 j0 h2 S5 b/ R. B/ ]- j3 Q$ r& o
if (hr); E: _ R- r1 K1 m
{
* R' m, ^+ r7 ^- l& m% i) I MessageBox ("Get Poke Unsuccessful");. G& r$ |9 z' v; u# }, r" [
return;
" N4 M2 r0 @4 q- K3 b# f }- {* y' @1 m4 v e5 S5 u: z
# P1 |9 S" i- m8 x7 {! B: f6 U8 O6 w/**************************传递数据给extend**************************************/* x5 i3 `5 Y$ v9 N1 \0 ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 ~/ L) L; b/ V+ i
' Q5 h0 F. v2 f' F( Y- ]) n: k+ g valueStr = SysAllocString((WCHAR *) L"1232");
! k, n0 k6 }% s5 C! V- U VariantInit(&pokeVariant[0]); : k. ~# l7 I: ~3 Q+ }/ B5 d$ S
pokeVariant[0].vt = VT_BSTR;# }# S# E7 Z7 Y3 z0 G
pokeVariant[0].bstrVal = valueStr;
- u8 K3 I* Z0 y" {! C2 Z1 s$ H7 A3 @# w" Q/ Q; v a6 X
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 W: B" Z* g4 k; \2 o VariantInit(&pokeVariant[1]); + p' O6 ^+ y- |2 `
pokeVariant[1].vt = VT_BSTR;
3 }' Z8 Q( F- N$ D- i pokeVariant[1].bstrVal = itemStr;" @3 G8 l8 z; b1 Q" C: M& d! R; d
& }3 S) L( _) D8 T& y3 l0 M3 S topicStr = SysAllocString((WCHAR *) L"system");
9 l; R1 h2 G; i# ` VariantInit(&pokeVariant[2]);
3 x6 R/ l( R, V. X2 y# o: M pokeVariant[2].vt = VT_BSTR;- P4 x' r3 V& |! D9 _7 I. G
pokeVariant[2].bstrVal = topicStr;/ R& l6 X4 ` t5 M
1 ]' d# d% m: G! ^( f6 l
// Set the DISPPARAMS structure that holds the variant.
" Z& i4 e4 \# B/ }- y C; W# x0 n' R$ [# U1 M* k
dp.rgvarg = pokeVariant;5 I7 W4 y- y* O- |5 [4 u
dp.cArgs = 3;
' p) Y. U0 p0 T+ q$ N; x0 C/ d dp.rgdispidNamedArgs = NULL;
! _; P/ s2 x" U/ L4 S- |1 D dp.cNamedArgs = 0;3 D( G& Q2 z8 U: M4 Q. o% [0 f
6 D/ z v+ D9 t1 J! D* U: E
// Call IDispatch::Invoke()
# b3 s% P t1 B2 a' n7 [7 i
- p) L0 M! _! |+ j hr = m_pDisp->Invoke(! \+ F& W6 F/ A6 ]0 |5 R
pokeID,
5 R0 }$ M% E' ^3 m( x3 V G IID_NULL,1 Y- H* t( C* F: W- B# C1 ?
LOCALE_SYSTEM_DEFAULT,8 c: U1 H% s$ ~" y
DISPATCH_METHOD,
) \, L8 F* _6 P" O+ P; I- \; S% g# [ &dp,; n; d# r5 f" o- ~8 N3 e) {: ^
NULL,; f+ \/ [& [; }$ [) H U, z: A7 _
&ei,
" v, n" E' c7 u0 v2 e4 _+ H7 v6 Z! y &uiErr);0 _: }: P+ B p' X. j
0 p. {" t! M& L; w" o6 ?% I+ C SysFreeString(topicStr);4 ]1 n9 M; r/ f! z1 c/ m7 h
SysFreeString(itemStr);0 I4 h; J; u3 n* {9 @
SysFreeString(valueStr);0 w, n1 ^! r7 D/ U0 K
0 K1 M7 A- _9 v* d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 l; }. b6 D" K8 v; U% n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????5 t" j8 a ^2 _0 c- v5 R) \% C
s5 F3 i- t# c
2 X2 m# D; l4 N& M/ ?
2.这是request的程序
2 E& i7 _4 L$ ]8 R// Request a value from Extend
& A5 @! l7 c0 c0 ]5 h1 c ~//" ` |2 C; m9 _) f$ q4 u0 r) }
// Initialize the variant that will hold the BSTR. Set the variant's+ P! G" F8 Y H- H
// type flag to indicate the fact that this variant holds a BSTR. Place the
( Q r! q3 ^: g( ~// BSTR into the variant structure.
/ ?, M% V7 l7 ^2 [
; D( z. L' x6 @0 h0 ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' j8 r) e6 @; H4 e* v4 W: [ - `9 ]* O( d% i' T
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 e( l) J& b' E* r VariantInit(&requestVariant[0]); / H# x; l7 n5 e. [2 f" ^ v4 }6 w; U
requestVariant[0].vt = VT_BSTR;+ { [4 y0 ]6 o- s
requestVariant[0].bstrVal = itemStr;" E) Q8 z& n- \1 ~
3 `" p% f8 m8 S8 C# W
topicStr = SysAllocString((WCHAR *) L"system");
9 n- o" a) [4 [# T0 i0 U8 h9 V/ l VariantInit(&requestVariant[1]);
- W( R1 R1 w0 W# S& C requestVariant[1].vt = VT_BSTR;
* g8 ?9 {, P+ v1 i- t8 |9 Y requestVariant[1].bstrVal = topicStr; z0 \* i2 q4 ` d- B5 z! G
# B( u( d" M+ p0 c0 J) t+ M# i& u3 v// Set the DISPPARAMS structure that holds the variant.3 a' \6 Z) K9 @
$ l) [3 n/ @1 m* w* m" L2 Q+ }& P2 ^
dp2.rgvarg = requestVariant;. }( J+ I9 `" R! n, H1 Z" n$ U
dp2.cArgs = 2;; q; s' v8 |2 @7 v
dp2.rgdispidNamedArgs = NULL;4 F) f$ U5 {; k. I7 Q# U, {6 F
dp2.cNamedArgs = 0;
" Y6 N/ W7 G; T# g: V: T: z% t9 a2 X! \
var.vt = VT_EMPTY;, r2 X, x2 m4 A% W
! E- Z6 L2 O1 _8 b7 f& M9 b- {; s6 e// Call IDispatch::Invoke()' v: u# `& E/ P( C$ `
- d! u1 n! P a7 N hr = m_pDisp->Invoke(
3 P5 c; ?, I, m* O8 \ requestID,
' C! r: M$ U3 L9 J. P- n IID_NULL,
3 u& C0 c8 C j2 _1 O2 |- A$ s5 J LOCALE_SYSTEM_DEFAULT,5 w" H3 B& l1 K
DISPATCH_METHOD,
1 K0 M. h( n3 p* z &dp2,* A* A, O! w8 P" ^" C& g8 a; H, t
&var,
0 {0 ~ U R9 d &ei,
4 r0 G* `: Q0 p6 w! |- a+ [4 K &uiErr);- x1 ~* ~9 `8 p! d0 b4 N1 G
l# j: C0 K1 J
SysFreeString(topicStr);) r: z2 Z8 B) o2 v
SysFreeString(itemStr);
* Z8 E' z/ F* S6 T8 P请问该程序是获得extend里面的哪个值?" H6 J1 _7 H }
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???? |
|