|
|
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:
2 n9 p( m6 Q" x2 N2 C" ~5 k6 mName = (WCHAR *) L"Poke";
4 h, K- l+ ?" M5 q& S! E7 s $ V; W9 W; P. X4 G4 E
hr = m_pDisp->GetIDsOfNames (
$ s2 x- `1 T0 e( D! Q# D0 n IID_NULL, // reserved
0 K7 l6 ], L+ k D &Name, // Array of names to get IDs for( `; N9 J+ T5 i7 n( x+ j, x; j
1, // # of names in the array" U# d: Q; z% V( D( K$ F5 q
LOCALE_SYSTEM_DEFAULT, // System locale w! e5 v: C* P
&pokeID); // Array of IDs to fill on output8 e+ Z% H; S$ M3 a. H' ]2 x, c% x2 E
1 e$ n: z+ V8 g; i9 ` if (hr)( B2 \7 S( a/ s: L- y: [2 t9 B
{( U, z. D" \% u; u" i; w
MessageBox ("Get Poke Unsuccessful");' W0 L* g' M& f" a/ d
return;
+ U8 b+ K" } z2 V) w }" N+ w% ]3 ]( o( i: l) J$ w
5 y7 t/ c. M9 @) R, i
/**************************传递数据给extend**************************************/
! B$ A; q$ B9 c! v. u% r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) |9 O# J. F; c, j! z8 _ % l. c! y. n# ?! i
valueStr = SysAllocString((WCHAR *) L"1232");
3 G' X- G3 [8 k' \5 W/ I VariantInit(&pokeVariant[0]); & a* n2 J' s) c+ {( E+ `
pokeVariant[0].vt = VT_BSTR;% j; h2 j1 P+ d ~2 b- q
pokeVariant[0].bstrVal = valueStr;8 w5 [* z( q0 v7 A* A
y, [/ n" x0 n" N _- ?% |* D
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- y! l1 E+ D1 g4 Z
VariantInit(&pokeVariant[1]); 7 j' I% ^+ Y' [
pokeVariant[1].vt = VT_BSTR;
/ [/ @1 \, j% I7 f c pokeVariant[1].bstrVal = itemStr;
$ \; t, ^9 p+ e5 Z* ^' G, J j. G3 U" J G' `' b# {
topicStr = SysAllocString((WCHAR *) L"system");
% [- w8 a2 l* c. q4 L3 L, I6 Z, p VariantInit(&pokeVariant[2]); 5 A T w( o4 p# e5 i- i
pokeVariant[2].vt = VT_BSTR;
7 U W+ e C% B5 E/ B. g5 L pokeVariant[2].bstrVal = topicStr;
% f- |0 j4 F$ ]" {# w w7 g, i+ d1 ^, T: T: f* o# @
// Set the DISPPARAMS structure that holds the variant.
; u! S/ q3 g7 G: {
8 Q- I; O9 Z2 A+ ` M* [7 P dp.rgvarg = pokeVariant;4 R: F, K' v: L4 L- C) v0 n
dp.cArgs = 3;. v9 O5 y X# R2 M* Y' [ b) B
dp.rgdispidNamedArgs = NULL;' b5 O4 a, C! g7 h$ C
dp.cNamedArgs = 0;
, ^# k4 l* Z6 O- G2 z- {; _8 d7 A4 \1 i/ [
// Call IDispatch::Invoke()
. R/ ^; I- U9 {, ~( z3 @0 ^" Z3 _# B3 c
hr = m_pDisp->Invoke(: i% N1 a8 Y- P* q
pokeID,
$ ~- k! m* U/ R* |6 u) c IID_NULL,) i4 ]% ~& C- {6 N
LOCALE_SYSTEM_DEFAULT,* D4 }+ i! w) i& W) A1 K
DISPATCH_METHOD,9 t q# }, D7 z: z
&dp,0 `7 O0 ]1 ]0 g4 y2 G# v9 R
NULL,
4 e0 B+ R5 Z8 @5 U% ?+ `5 q' b &ei,
4 N& A# A" k8 Y8 X; C0 a &uiErr);, S# J) N- H$ E
; s6 Y- Y, u8 j! `8 b- u9 {5 ]; W SysFreeString(topicStr);" Q; L- Q/ _2 q. C R9 L& C1 ^" x
SysFreeString(itemStr);
( g; g9 O, \# p0 e& h5 N4 C SysFreeString(valueStr);' N9 K( M+ h5 A' L* O% p
I8 P! m, Y: E+ j2 G0 x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???
3 P/ Z- v! k& O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????
8 q0 q6 N) f; \4 ^: U
% f) G0 H9 ?7 w+ Q+ w) h/ _
. r% |! E. ?. \( D4 w2.这是request的程序 \3 q+ F n3 ?; g. ^6 [
// Request a value from Extend
& b6 U. j& W6 M//" N2 x2 T% d+ f5 l5 i
// Initialize the variant that will hold the BSTR. Set the variant's
) `. s3 \: A& w9 U// type flag to indicate the fact that this variant holds a BSTR. Place the3 c( T. D2 ]# Z2 @) {, Z
// BSTR into the variant structure.
5 x3 C8 I9 _# y: L0 I9 o) z2 k6 \* E1 @! a* v' S/ J v5 m* I
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
S+ }( A! R" V% \ ( O7 F, h# c0 H8 g3 ]8 N: B' `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& u i7 v8 J* T1 G$ n
VariantInit(&requestVariant[0]);
( R$ v" b2 J9 h e! x6 X0 a requestVariant[0].vt = VT_BSTR;6 R$ n# H5 E7 H9 o, F; }4 e3 U4 h
requestVariant[0].bstrVal = itemStr;
! c/ r% V1 |: }
& E. n* K9 R9 c; E- p0 t topicStr = SysAllocString((WCHAR *) L"system");6 g! B9 D" Z& ?- a3 q5 Q
VariantInit(&requestVariant[1]);
- s, k( I W& J6 Y requestVariant[1].vt = VT_BSTR;
; B4 ^6 R- w% U% B+ N; l0 c' r requestVariant[1].bstrVal = topicStr;
9 U8 r D& E" H% V% t6 D
- r+ P2 c1 ?. K2 ^8 J o* u1 o+ E// Set the DISPPARAMS structure that holds the variant.
& |# A. z3 F2 B: Q% K; M: Q. l% ?/ x6 R! e: @" g
dp2.rgvarg = requestVariant;. A! d3 I3 T* }+ ` m$ s, `
dp2.cArgs = 2;5 _* z' V) E# H* a
dp2.rgdispidNamedArgs = NULL;
( ^! N+ ~; n' t6 j7 g dp2.cNamedArgs = 0;$ B$ R8 R5 {! c+ X. b3 A0 H
. S, ~7 p0 u+ M& j5 |& A var.vt = VT_EMPTY;
0 }5 F) o$ p) _, @* X0 m( Y8 D2 k$ u- u- v4 L7 c
// Call IDispatch::Invoke(), E& l' T2 ?: q I4 U
" D; L' [3 ?" K `1 {. \; {; k
hr = m_pDisp->Invoke(! V# m8 i; [, `+ b" K4 r
requestID,
) V5 ?0 ~' R9 L6 A3 j# R IID_NULL,
' ]0 J P6 V8 p, h/ G/ L- k LOCALE_SYSTEM_DEFAULT,
" a/ Q$ W, E/ h, u! V DISPATCH_METHOD,
6 W6 d* C1 z3 R* ]* X0 d/ k3 Q2 Z &dp2,( z7 Q! T0 ^1 G0 h3 P6 J
&var,* j# ^: B; L1 g" I( z
&ei,
% X5 V8 ~* H7 S &uiErr);
! M6 e3 z, m+ S3 a$ X8 v
/ b0 a6 x1 A0 N SysFreeString(topicStr);" T1 m; u& K. S7 u9 l/ [9 f
SysFreeString(itemStr);
2 j' @2 ]! ^8 X请问该程序是获得extend里面的哪个值?& R' L5 t7 q. B$ l; h* o$ b6 N
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???? |
|