|
|
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:
' G- a+ T7 f+ Y" r4 J9 IName = (WCHAR *) L"Poke";; V s! P% X+ R9 P, X5 V- O4 B
% ~& [: C. A% F hr = m_pDisp->GetIDsOfNames (
) e$ \* P/ }* u0 W' Q1 s IID_NULL, // reserved
5 o$ \: t) d5 h$ J. @- \ &Name, // Array of names to get IDs for
9 M+ Z3 D' F4 x5 d% _ 1, // # of names in the array( p- r0 E) c" \4 i3 _, X W* X
LOCALE_SYSTEM_DEFAULT, // System locale5 F5 V5 w7 y0 Y- U; ?
&pokeID); // Array of IDs to fill on output6 \0 o) |. w" ?( L
. e4 O ~2 Q1 |2 i& s) z6 Z
if (hr)
8 m( b$ p U( i# U A0 \* e( j) A {
3 O" k- M3 |" N$ n$ ]9 m4 ^6 z4 K MessageBox ("Get Poke Unsuccessful");2 A4 z& ]4 ^8 O. q
return;: t0 U) I5 J& @& g1 s4 ~+ `
}
2 {9 f5 Y3 M1 H% @0 U
9 f* M& w( `7 ~5 v8 x/**************************传递数据给extend**************************************/
* |9 Y/ h( `' E' _ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 Q9 f+ J8 b8 L1 {+ G
' _/ l" r' n" | k8 ^ valueStr = SysAllocString((WCHAR *) L"1232");
' B3 e) X, }# A- ]; r0 N3 R VariantInit(&pokeVariant[0]); ( S# _+ y4 A' D
pokeVariant[0].vt = VT_BSTR;& E* \9 {1 d" O3 w* g
pokeVariant[0].bstrVal = valueStr;7 M G0 x' ~, w- \. V* W2 {6 `
: B' ?1 p% D$ }9 q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! Q6 ^" ~/ O+ H+ X! ]
VariantInit(&pokeVariant[1]);
8 @( f# j6 k) c \6 f2 |; z, ^ pokeVariant[1].vt = VT_BSTR;( B8 x, W j+ d, Q8 a, H
pokeVariant[1].bstrVal = itemStr;1 Q" \ q1 k" p Y! D8 t: L+ J" X# y
0 C) l/ O: [" J1 ~
topicStr = SysAllocString((WCHAR *) L"system");
- g x% {0 z! u. s% s g VariantInit(&pokeVariant[2]); 7 I0 r! X! u" {- M* n( C
pokeVariant[2].vt = VT_BSTR;6 m0 |% J6 g* C2 f) O D8 L& m
pokeVariant[2].bstrVal = topicStr;
# h: ^/ X9 w+ F5 S
- p+ B* ^4 P$ F- F// Set the DISPPARAMS structure that holds the variant.
: F0 a2 @/ c- i3 U8 B& a) p& W# `8 y# N! H
dp.rgvarg = pokeVariant;
; m& @4 a* R3 c8 |# @" s- B dp.cArgs = 3;
7 j. r+ A4 X, p7 G1 g) A dp.rgdispidNamedArgs = NULL;
( V' ^- i. f- m0 p dp.cNamedArgs = 0;, P" m7 W& U4 C
2 i4 r% e7 c5 H9 n
// Call IDispatch::Invoke()
* O( L" ]3 S4 Z2 x/ I; o z/ i% y. L9 ~ {/ B
hr = m_pDisp->Invoke(5 F% N* ?! y9 A, s) u0 n
pokeID,
! r s0 H- V" W8 R2 }; p IID_NULL,+ m( T6 G: G1 u5 T- b7 [8 z8 D
LOCALE_SYSTEM_DEFAULT,, Y9 B7 X1 I4 g5 z
DISPATCH_METHOD,: z; n' H y+ ~1 G9 i7 e2 y6 @; c
&dp,
! W9 P" o2 k' b6 I* K( S2 m0 d5 v- r NULL,
( T, m e% {( I/ l &ei,
& z" L( V; n, Z1 G7 D* V' t- s &uiErr);
" h* a8 o4 q/ ?; o% X' p2 H
+ w2 L7 T/ T3 z2 @ SysFreeString(topicStr);+ Y }0 H( A7 C2 v( w" H
SysFreeString(itemStr);. `6 l7 \* c$ ~) c( K y
SysFreeString(valueStr);
) c" D& t; _2 Y( X, d2 h. U8 X: Y$ q! f) `
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???. F2 z0 }( A. V7 \/ e; A# P" v
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????
9 C6 Y5 S1 v5 w) j+ w
' a4 c$ [$ J0 G7 E4 T
0 K7 e. K8 x( y7 k8 c; K U* R" h2.这是request的程序
7 b* R4 d5 y& E// Request a value from Extend
' Y2 }/ ~* [9 n0 |" `" c//
3 R i) f+ p$ H( \' @! E, L' Z; N// Initialize the variant that will hold the BSTR. Set the variant's; i5 b6 M9 G K/ y ]: ^- k
// type flag to indicate the fact that this variant holds a BSTR. Place the& g4 s. O( [1 w2 K. Z8 K
// BSTR into the variant structure.
8 o4 v' H& H; I1 h/ L2 E% P% _/ g" M' r) s
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
! m! c; K- t/ `, s/ L 2 Z2 Y# E+ i4 |' L( `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ \) L$ u. G2 o/ D- D6 `4 c VariantInit(&requestVariant[0]); - }! c1 N8 v$ b V" j I
requestVariant[0].vt = VT_BSTR;5 d) p! C4 m; u7 s$ L' n4 @
requestVariant[0].bstrVal = itemStr;
" E" ~* {" g- C" ?+ b% \7 x0 x- V- E2 Y4 l. q" S
topicStr = SysAllocString((WCHAR *) L"system");
5 ^5 p" r Z( ?* n; i: ^ VariantInit(&requestVariant[1]); + K, z0 n4 T% V% h
requestVariant[1].vt = VT_BSTR;
" n! ^- L1 N* q; w* B$ {/ p1 I- m requestVariant[1].bstrVal = topicStr;; w1 y) v+ z. s# Q3 F
# m3 ]; d& E4 S7 q) G5 S' E4 x! Y
// Set the DISPPARAMS structure that holds the variant.: }! `3 n! v; d: Q# f$ Y+ W
1 |1 G, r3 y# B$ s9 Q' O dp2.rgvarg = requestVariant;3 w1 Z7 D; z4 a
dp2.cArgs = 2;
/ j+ p! f/ v, `0 F! [ dp2.rgdispidNamedArgs = NULL;
/ _- E, [5 k, [" x dp2.cNamedArgs = 0;
* i* W" k8 | Z; f! z. p' O% ^& M% L- A/ Q- o! L+ V
var.vt = VT_EMPTY;! ^% g8 D# o) U) X& m. w: X1 c1 [3 Y
$ F, M. [8 w# U9 U8 G/ f' {9 W0 f// Call IDispatch::Invoke()
0 T0 ]% |' ]9 T6 @8 E9 \
6 d x8 O. y9 e/ q- V/ A hr = m_pDisp->Invoke(
3 |7 K( d' u( C requestID,6 s/ [9 f/ s6 D/ ~" F# \
IID_NULL,) v$ i3 u! \& k
LOCALE_SYSTEM_DEFAULT,3 T D: {5 a$ q; L6 A
DISPATCH_METHOD,
3 c7 U/ ?1 K) }9 a; G &dp2,
7 [' a% g, X" P# s3 o& n: s &var,. ?, u) `& W0 Y0 h Q' P
&ei,: a: {6 P1 V' L' ^ t% b
&uiErr);+ L' j' w- p$ Z, l9 K% ~: d& K
" G8 s3 }! S/ Z0 U" t/ a; q2 n SysFreeString(topicStr);. d- q. D2 `) u4 j C( r
SysFreeString(itemStr);5 W7 u; A& w( s& V6 c
请问该程序是获得extend里面的哪个值?9 |( m. E8 R! I/ 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???? |
|