|
|
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:
: Q$ y8 j+ U l( BName = (WCHAR *) L"Poke";
* D0 a8 I' M: U, |9 V2 y1 y- N
, s9 y: }& n3 S; {8 @* ?" | hr = m_pDisp->GetIDsOfNames ( k }8 J9 c. Y& j: a
IID_NULL, // reserved" O5 O- e: u' V- y
&Name, // Array of names to get IDs for# J! ~8 M9 g& W$ h4 c
1, // # of names in the array/ A; p0 d- o2 s9 W7 G# n
LOCALE_SYSTEM_DEFAULT, // System locale
' G. G2 g! ?+ Z/ E# w( R8 ^# G &pokeID); // Array of IDs to fill on output
: N6 a; ~; G- S7 l+ ~' s H9 S8 w) p# x3 _" S& r7 g, c
if (hr)
" ]! L$ x( q5 v2 l' p7 Z {
8 h# L" I. r+ q0 l2 L MessageBox ("Get Poke Unsuccessful");6 Z5 J; u" I3 u$ G
return;
% E8 L2 y; G5 f, n }8 |' d! ^, `( R [, Y; z" h
# w: G) H- n/ g5 q9 C/ A( n/**************************传递数据给extend**************************************/$ J- q5 R) N1 y* ?' ^" L* v6 z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 M6 t% q( r2 j
. s" q/ c/ T$ g/ Q3 g
valueStr = SysAllocString((WCHAR *) L"1232");
b! {+ _' {, k9 Q VariantInit(&pokeVariant[0]);
. k' I/ b, Q5 Z( { G8 b0 P c pokeVariant[0].vt = VT_BSTR;1 L! m. {: z1 P" [4 S0 B
pokeVariant[0].bstrVal = valueStr;
4 V& f% v' C1 R+ Z6 q
5 r0 ]) q; ~+ c! q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ m5 v) H Q* n* j8 @
VariantInit(&pokeVariant[1]);
% ^/ [; |; F0 n/ F* R2 W' h! y pokeVariant[1].vt = VT_BSTR;7 D) I! ]" r( F3 J' b6 `; e
pokeVariant[1].bstrVal = itemStr;
8 E" |; w: p/ c, q& b. q, j& _9 W5 ~0 [* F% L, X
topicStr = SysAllocString((WCHAR *) L"system");
! B( f& W. T. @ VariantInit(&pokeVariant[2]); : ]) y1 V( t5 w0 X' Z( H
pokeVariant[2].vt = VT_BSTR;- ^# a% [* b7 V% J8 _$ e
pokeVariant[2].bstrVal = topicStr;9 g& y9 M% U. r9 G' x1 X5 S
* ]1 F' q9 Y) v
// Set the DISPPARAMS structure that holds the variant.4 @0 Y* _! P" [" ~( i- Z2 l2 G% s
2 X( Q" u& F6 e4 m dp.rgvarg = pokeVariant;
$ ^/ P5 V9 A5 ? dp.cArgs = 3;) ~8 I& `0 }- z+ w; J7 [
dp.rgdispidNamedArgs = NULL;# Z5 `; V' X& Z" u) f* k6 `* k1 I* s
dp.cNamedArgs = 0;0 z5 A a% V2 d. d0 @0 J
* i- y4 @* t& y3 j# ?. k
// Call IDispatch::Invoke()) `. b1 Q$ z- b% k( i" v a
3 [. S2 {0 B5 C) }0 g hr = m_pDisp->Invoke(% ?9 v( U) V+ W" X/ y0 i
pokeID,- K5 `2 s% @5 K8 C1 ~+ I% t/ W
IID_NULL,$ d0 u9 }3 h/ i( Z, G0 r! Y
LOCALE_SYSTEM_DEFAULT,
7 @2 V, P" a6 ?7 C9 Q DISPATCH_METHOD,
2 u' P! U, H4 f# N- S4 \ &dp,3 S9 p# v3 @7 E7 Q6 p4 A
NULL,
3 T1 w, e7 d1 ~9 m$ u0 s. v, @ &ei,' n9 Z1 D- r% k* q& M. g% u/ z2 I
&uiErr);
; ]. h9 u6 G+ b
4 a" k. I% Y2 x5 o ~5 a SysFreeString(topicStr);
5 P( Y1 s$ A$ P0 y8 K# h SysFreeString(itemStr);6 U- [+ \; ?6 r+ f, K
SysFreeString(valueStr);) Y9 F/ r. c/ j! q, S+ t5 g z. Q
5 ^5 N- u# O4 U) v E, s/ j
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??? A: ^# e5 @1 ?9 Y- C9 ?+ D
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 @# O" P+ M, m) m# ]
0 h/ G/ i5 c. F4 R# P( C
0 m+ P6 A& j8 c+ O; S2 \2.这是request的程序
# R5 E3 w7 n' G* [ H// Request a value from Extend
& m' ]- |, g/ k) c//
4 Y B- r, W9 Y: w9 I" G// Initialize the variant that will hold the BSTR. Set the variant's
3 q i3 W1 }6 |" Z/ ^& G// type flag to indicate the fact that this variant holds a BSTR. Place the6 N. N8 i9 Y/ K+ c2 o
// BSTR into the variant structure., G" }' H: ?8 P' O( \" y9 X+ i8 w5 u! x
& z( k! P6 i* H/ K; J5 x" a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) Q I0 j' [9 Q5 a# c$ F+ u, i
3 h' K( n6 {3 Z5 ?; L2 r
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ N0 @7 \) K V @7 ` VariantInit(&requestVariant[0]); 7 R4 ^1 p+ Z( E9 B( I- F
requestVariant[0].vt = VT_BSTR;
7 Z) K( O1 @+ i requestVariant[0].bstrVal = itemStr;
! _+ }; K" Y3 D) [3 s" d8 z7 I
topicStr = SysAllocString((WCHAR *) L"system");
# m/ k4 f( d$ p) o$ z# I i$ E) @ VariantInit(&requestVariant[1]);
/ _/ k7 }* M2 N7 N requestVariant[1].vt = VT_BSTR;! P) ~3 _3 Z; A, x. f6 A" d
requestVariant[1].bstrVal = topicStr;1 Z5 v2 O1 ~3 M. {- i& h
3 R9 B8 s- E: A6 h// Set the DISPPARAMS structure that holds the variant.
3 x: k$ W! i' Q# Y2 B/ m
# Q9 l& H$ x0 U8 ^ dp2.rgvarg = requestVariant;
8 F7 G2 M" N# s6 T dp2.cArgs = 2;$ Y/ }& G) h. O4 B+ ~
dp2.rgdispidNamedArgs = NULL;5 b( ^ [3 Z- u1 @; T6 R3 {
dp2.cNamedArgs = 0;4 [/ v$ O) C' P# A8 |' W
' M7 P! p) g' P. O var.vt = VT_EMPTY;! l1 x4 [' F& U7 ~
; p/ D4 V1 B: ]3 Z" S2 K// Call IDispatch::Invoke()
/ Q4 z# U! }9 F
' }/ F/ ~# i6 I( u! Y) d/ v hr = m_pDisp->Invoke(
8 e; s. P' Z' h8 w& l8 M* ~+ X& [ requestID,
4 d1 b3 }) D0 ?; b7 |* P' O7 D IID_NULL,3 e, e1 v7 Z/ \7 J7 @
LOCALE_SYSTEM_DEFAULT,* {- a+ Y4 X! n. `
DISPATCH_METHOD,! _! C# B, p. k0 u8 z7 G& @" Q, h" z
&dp2,
$ A& o; V# _! V3 n0 V &var,( k4 [/ A( X" h( ~$ z
&ei,
2 f( ^/ ^9 Q( a" @! N# e7 `, | &uiErr);
; S. j6 M( p" o {/ m& W/ _ @5 M9 S" |0 q' A9 M
SysFreeString(topicStr);- _1 f# P! G" P" A1 Q& j9 ?
SysFreeString(itemStr);
2 W. `( T$ R$ I+ a( S; Q; o; T请问该程序是获得extend里面的哪个值?- l3 i v, i& j* E- B' G
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???? |
|