|
|
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:
; ?) k( {2 c5 ]7 P# |, TName = (WCHAR *) L"Poke";
6 K8 b2 ?) t4 ]* S 6 W9 {8 c1 M: g7 f: @6 U; ~6 _
hr = m_pDisp->GetIDsOfNames (/ D' @) p4 a( D5 x
IID_NULL, // reserved0 `7 {5 ~% G8 C- I
&Name, // Array of names to get IDs for; |2 {: Y: I$ F9 L) j3 A- G
1, // # of names in the array
, ?- I" q Z; f+ Y1 O LOCALE_SYSTEM_DEFAULT, // System locale
- _) Q2 q7 g% }9 Y &pokeID); // Array of IDs to fill on output6 O$ X/ ?+ R E# a$ `% q! a
& Q9 ?5 S; s1 \" c6 d# ~+ g w if (hr): y; Z" b8 [% g' q1 G
{9 y8 z: ~( i1 j# G
MessageBox ("Get Poke Unsuccessful");9 B- H' {& I1 o) h
return;
, \; p# f8 f$ s8 C$ H' g }2 i3 m2 U1 j j5 x6 c% O
: c% k; e! Z6 q: r: k: @/**************************传递数据给extend**************************************/6 c8 w* S+ M3 A" y4 N% B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' a4 _3 R* E& k7 Z
( t: |, X" J+ d; N) @- s
valueStr = SysAllocString((WCHAR *) L"1232");
% A0 |0 `+ g5 o# D, F9 F# y& G5 u7 U VariantInit(&pokeVariant[0]); & A) a9 y7 F# |1 c
pokeVariant[0].vt = VT_BSTR;
5 |+ O$ @9 j- K( ~: N K pokeVariant[0].bstrVal = valueStr;& L0 M+ |+ G1 a/ G2 {/ m
& {) }4 J, A, A2 ^$ I5 J- {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 A/ I' `: q0 I7 a VariantInit(&pokeVariant[1]);
/ \, O# o. R0 w: V6 R. v c9 B pokeVariant[1].vt = VT_BSTR;7 `4 m y7 v0 E$ c5 Y; y3 v
pokeVariant[1].bstrVal = itemStr;
5 g$ g$ b" g2 \2 Q3 G) E
7 p" K! l# y$ W topicStr = SysAllocString((WCHAR *) L"system");
0 O. G: I/ Z, B) t' k" }: n VariantInit(&pokeVariant[2]); 6 P/ N# [2 i& T
pokeVariant[2].vt = VT_BSTR;) I) W+ A- Y' P P; W9 ~
pokeVariant[2].bstrVal = topicStr;7 M5 \# C8 o Z1 A
+ z9 h( ]3 c5 i9 g7 U
// Set the DISPPARAMS structure that holds the variant.
; s3 c& y% T3 N- m: E* {" ?: l+ q
4 ?$ h- x, v: M8 x( D dp.rgvarg = pokeVariant;* Z! y% k* [9 r! q& l; x3 h% e) c
dp.cArgs = 3;& O, o" b' q# A9 F0 @/ I0 G& k
dp.rgdispidNamedArgs = NULL;
8 @& f u4 m0 ]' v% D5 x dp.cNamedArgs = 0;! m: D1 q3 `6 H5 ^$ M$ U4 s+ u* v: ^
6 f8 ?, i2 L8 J. Z% D
// Call IDispatch::Invoke()
8 X7 N2 S5 W' Q2 F+ |0 r5 Y3 ^4 x# L1 \. _( @
hr = m_pDisp->Invoke(3 h0 Q ^1 F* z" |: u
pokeID,
! _/ t) n1 I r" _* s5 R' Z IID_NULL,
0 @& X: |7 I: W LOCALE_SYSTEM_DEFAULT,
. ~4 R3 F' @8 z) L( s7 l DISPATCH_METHOD,
D5 G$ c9 H% q5 k &dp,
4 A) j$ h- w. t" Y NULL,
5 q4 o. p) B7 p) G/ B* g! n+ P: ` &ei,) L( q8 w. T/ j, P5 i6 U
&uiErr);/ P4 E4 h. e0 z0 y# p6 j5 Y- |
" P3 D0 v' Q) C# v4 X! | SysFreeString(topicStr);
8 p" C' X- C. @$ I. @5 ` SysFreeString(itemStr);# w9 a. t- L8 N' N! m
SysFreeString(valueStr);
3 C ^$ g9 p$ h# d( L, Y( n, E
8 C: n! w4 T, T# u! \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 P7 S. J- |' h1 ^' E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????
) A6 b" |" l% e0 \, ?7 W* i( P4 D- T4 g7 V" `( B" N
" \) g- K3 W g# S( O7 c. v2.这是request的程序5 L. |& i4 ^8 S/ A+ ]* ?
// Request a value from Extend
% b( p# s& i! {- w- R6 I* j! d( _//
0 o8 @: J3 `# f8 Q// Initialize the variant that will hold the BSTR. Set the variant's& N0 y6 z1 |% I+ H
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 J/ t d9 c& y. G. V' ~2 @+ c, w// BSTR into the variant structure.1 {4 X: p( y* [! `( h- A3 K9 W
, }4 V7 j# I. n; P$ H4 P/ ~
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 c& r1 A+ f( f) P( J4 ~. k1 S
3 T# U! Z4 g2 b& [8 Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! L+ C `3 c+ @! m
VariantInit(&requestVariant[0]);
1 t- _' t6 `4 b' A requestVariant[0].vt = VT_BSTR;
{' L! L& B u6 K requestVariant[0].bstrVal = itemStr;
8 l2 v/ \1 i8 E( h0 w9 h% p0 Z' l+ H9 [# y) {3 q
topicStr = SysAllocString((WCHAR *) L"system");
( Y' X& w) d: Z1 T VariantInit(&requestVariant[1]);
8 x" ~# ?5 Z+ q3 g3 t requestVariant[1].vt = VT_BSTR;) y: C$ j) O) [8 c0 j' M" p
requestVariant[1].bstrVal = topicStr; Z0 e5 p3 u' Z* g6 e, `- y* V: Q& r
, J/ o% z4 L; E y' K" V
// Set the DISPPARAMS structure that holds the variant.
7 q, [$ b, F* R6 x* c9 O/ Y+ W$ J% J" K Y( j8 M) d
dp2.rgvarg = requestVariant;+ _0 _5 V9 t2 |2 M' H& Q+ d' F" c
dp2.cArgs = 2; Z( T$ K6 j# [' T: i4 x0 ~
dp2.rgdispidNamedArgs = NULL;
) s9 E( r; ^8 ^+ l& @ dp2.cNamedArgs = 0;- S0 q4 t- `. U: b) u8 v/ K5 p& u
8 X/ k8 w2 ^0 n) n var.vt = VT_EMPTY;
! V9 d8 a; ^( w* E6 Z4 M3 z: S Z; v, I
// Call IDispatch::Invoke()
3 X# \! ~' J% ? T7 r* V
# A9 v/ }- z0 u( x% T3 ]$ T hr = m_pDisp->Invoke(/ y3 ]' @4 I }- u
requestID,
3 p5 E2 e6 c1 Z9 x4 c2 M" L IID_NULL,
! p, c/ a5 a! y' @2 v% ]7 `) z LOCALE_SYSTEM_DEFAULT,
( p* v; {* e* e9 {* W6 t( l DISPATCH_METHOD,
7 d9 i1 B: d& e$ j' c8 d &dp2,) W1 q6 W3 J7 H1 p4 F( B
&var,
$ e+ u' D, p C &ei,! h+ O. |% O( R
&uiErr);
- y1 ^6 v; l+ X. y( ~) n- N) t
# H( m# n3 S+ Z" g% E( i2 U SysFreeString(topicStr);
! i, V& L. X: r7 b) l SysFreeString(itemStr);9 c8 Y) y+ e+ D Q' f" Y
请问该程序是获得extend里面的哪个值?
8 Q( W' l, W' U& ^: I4 M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???? |
|