|
|
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:
. X$ G x2 ?# @* Z7 d" u- x) rName = (WCHAR *) L"Poke";
5 G0 [$ {% o% e4 B {9 N6 v$ f& D 9 m6 ]& L& L5 V |( r
hr = m_pDisp->GetIDsOfNames (
L3 H, K/ d# e IID_NULL, // reserved+ G/ ]0 Q8 }- b
&Name, // Array of names to get IDs for5 D3 B6 E! J! Z' e0 c6 }4 @1 S2 S
1, // # of names in the array
' F- [5 J8 [: Y5 y LOCALE_SYSTEM_DEFAULT, // System locale& q- y3 \$ w+ q! _1 v _
&pokeID); // Array of IDs to fill on output
F( i" a6 w: z K) S . V- k/ x+ ^/ G E( v
if (hr)8 Q1 S0 q6 ^* m7 U$ q
{
, X, l. ?, d2 q. P) d1 q" C MessageBox ("Get Poke Unsuccessful");: R/ `+ g O' E$ M# p! v1 E
return;
3 z8 M' G, H/ P; P" A& \ }# j$ y% @2 y0 R% I# U
3 N3 `- s5 H5 F
/**************************传递数据给extend**************************************/
7 c& V2 k6 n9 |' ] pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 y# G5 O4 J3 l9 h0 A( d3 r( Q) \( g
! y' [3 `$ Q& C0 y valueStr = SysAllocString((WCHAR *) L"1232");
, x: W N' I& @) {! f" s8 v1 Q VariantInit(&pokeVariant[0]);
( ~6 B" ~4 ]- k pokeVariant[0].vt = VT_BSTR;
" V5 l" B2 @4 O! C% s6 Y! u0 i pokeVariant[0].bstrVal = valueStr;
% u* G- z) u r* y% E7 L+ ^( E$ J8 r0 q) F5 n
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ t/ G& d Z3 o
VariantInit(&pokeVariant[1]);
+ v, U! v$ D! N9 Q% ~0 H! C pokeVariant[1].vt = VT_BSTR;
0 p: V& r2 A" ^# Q* `. O5 {+ ^3 h pokeVariant[1].bstrVal = itemStr;1 h- F, [. ]/ l- \ U* u
' Y2 ~$ S& [, [. n, p topicStr = SysAllocString((WCHAR *) L"system");' l7 B* {( @* m5 _& Z: C$ Z' S
VariantInit(&pokeVariant[2]); 8 V, F; g0 x: Z: D: T
pokeVariant[2].vt = VT_BSTR;
/ { V1 t. I5 J+ i( o pokeVariant[2].bstrVal = topicStr;& i" }: C/ s0 j4 J2 O. S
$ Y7 N+ y) Z) D5 v2 q6 {9 r// Set the DISPPARAMS structure that holds the variant.
) E7 C# B4 v' n8 D6 w. a: t/ P& `: y* {
dp.rgvarg = pokeVariant;! `7 A0 F0 Q3 v5 ]3 |/ G! L
dp.cArgs = 3;
: r9 z/ y$ o' m1 p0 S dp.rgdispidNamedArgs = NULL;8 q, K3 n0 h% \/ z5 [4 p
dp.cNamedArgs = 0;/ U3 H. B# ^7 E7 u$ k
3 j$ t( e) N9 ?& I# `// Call IDispatch::Invoke()
, k# H* b7 K$ @/ E) ^0 d; h" h! k9 |* x8 B/ t
hr = m_pDisp->Invoke(0 j5 }: H6 f. `, `+ l( g) P
pokeID,
0 N3 G3 \9 @) s- X IID_NULL,$ j# z/ b `9 p8 Y
LOCALE_SYSTEM_DEFAULT,5 H7 C& a' ]: J
DISPATCH_METHOD,
9 p, a# b. u- d. Z &dp,5 k% Y8 z$ \' l, G
NULL,
6 i1 Q2 y! ?! C7 ?: U+ {: \2 O3 h& i &ei,# o; O, L5 ?! l! G
&uiErr);
8 Y. x9 l: \& t9 j' g* d- w/ N7 _' g4 _2 ~
SysFreeString(topicStr);
! C! y8 T6 T5 K/ \ SysFreeString(itemStr);
- w4 T: Q2 |+ m+ L) J SysFreeString(valueStr);" M" B3 D; Z- n; c, t1 p
8 d" F& E% H9 M) l; j& W1 Q% w
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???
. i/ W) p6 O8 I+ M/ j( X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????
; h* R. }% K! P
5 l8 q% f7 ]1 a, r0 E4 I2 H$ O1 v) b( g0 o( w6 [6 t Q
2.这是request的程序( E. d4 }. _# v8 L8 F
// Request a value from Extend
5 f- |# N+ R- r; D7 n//1 ~. I% S! ^6 i( V! U/ @
// Initialize the variant that will hold the BSTR. Set the variant's
* a& e4 M1 i# Z8 y& U// type flag to indicate the fact that this variant holds a BSTR. Place the4 c% t, c- y+ K( I) C8 F8 N
// BSTR into the variant structure.3 {3 x5 W4 ?7 u. `
/ i& y# l& r! q, w3 d" ~
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
5 {' _3 @4 ] D, E. R
( [1 u8 K5 I7 Y2 y9 ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- b, Q) V- b2 D' u2 r/ A3 E. W
VariantInit(&requestVariant[0]);
- t$ E/ u w/ w6 x1 e requestVariant[0].vt = VT_BSTR;5 U9 N3 k5 _6 T; }- i, A; X1 @+ N0 J3 Y
requestVariant[0].bstrVal = itemStr;
6 L1 u% @6 g* b- Y, {5 y1 }2 U$ _( G# f2 m4 N
topicStr = SysAllocString((WCHAR *) L"system");6 x7 e6 b2 x- ^4 D
VariantInit(&requestVariant[1]);
( n4 y) c$ V5 t9 A# _ requestVariant[1].vt = VT_BSTR;
7 B6 }3 t3 `. I8 G( i! z" l, S requestVariant[1].bstrVal = topicStr;0 w& k3 y* H9 [/ `
/ `" B6 w+ m8 L* u5 Q: e// Set the DISPPARAMS structure that holds the variant.; V0 u' U& ?# L9 ?
j, l* ^2 S+ R- a2 V' X dp2.rgvarg = requestVariant;
3 N; C. v$ V* W- b, p# G6 t. n dp2.cArgs = 2;
* ^. ~/ y0 m/ i6 p) r H. j dp2.rgdispidNamedArgs = NULL;2 Y' _; r n9 N1 q
dp2.cNamedArgs = 0;7 X# p9 o! ~% u$ u/ B: B
$ Y4 J, l# U% `. ~$ c3 g: d
var.vt = VT_EMPTY;- |, Y! _0 w- h# g7 h
9 |: A# a& }, M4 V+ C; t
// Call IDispatch::Invoke()
8 z+ a( ^: T, Y) J$ ~ c- e4 t
# n8 M: A6 x& J# _" v hr = m_pDisp->Invoke(( }2 F: Z- L6 q" q4 r; q- b" h: r
requestID," N' O9 X7 m) V2 P# `7 }
IID_NULL,
5 H' {& ?" ^' S4 q- ~& O LOCALE_SYSTEM_DEFAULT,
, F! e2 X2 o) ^9 e" ~8 c% g DISPATCH_METHOD,1 q" o: M$ J+ h& i: C
&dp2,+ P3 u3 f2 D* i8 _6 k
&var,
/ f, K+ ]2 ?' M &ei,9 z/ I/ J0 z% L2 C8 c- N
&uiErr);
( k6 |5 y) N' j* z$ p4 v5 p& S! V$ m5 O7 t# r
SysFreeString(topicStr);
+ q) I$ S8 q/ n$ j SysFreeString(itemStr);0 i4 j6 g( ^, w# G6 e
请问该程序是获得extend里面的哪个值?8 X: w$ C. K& Z8 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???? |
|