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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:
B$ P# V5 ?, }6 ^Name = (WCHAR *) L"Poke";1 u* N. M4 T3 V: _! n
# \- m& ?- C! q. s a6 y9 H hr = m_pDisp->GetIDsOfNames (" y; H+ L4 H m/ c. u2 a
IID_NULL, // reserved) g. d3 O8 j0 t9 _
&Name, // Array of names to get IDs for6 m# |" \3 V* Q
1, // # of names in the array/ y5 e6 p+ F* m) q2 w
LOCALE_SYSTEM_DEFAULT, // System locale
8 }/ O8 e. X- s9 m" Y &pokeID); // Array of IDs to fill on output o+ e* u3 F$ u' s: W4 w7 Q) ?
- G/ Y; k+ m9 P3 c
if (hr)
& k* ~& r* Y {/ h k" L {
; I% T; m7 H7 Q MessageBox ("Get Poke Unsuccessful");9 B7 {$ I% x& \1 x; ?5 {6 Y
return;3 j/ I# i0 R) \: ~/ z
}
/ }! B# N* e" T0 p
- j" A) V' x( ^# C7 v0 s. i; N! X/**************************传递数据给extend**************************************/' U% \; a8 G! j# I- E
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( Q/ k- i* Y! P, D5 w2 d
6 S E8 F5 F( Y, Z2 ` valueStr = SysAllocString((WCHAR *) L"1232");
% A/ e/ u7 P3 t, A7 U4 J& B VariantInit(&pokeVariant[0]); ' M1 q5 E% R2 F, f" g* e6 X
pokeVariant[0].vt = VT_BSTR;
3 c8 |# J8 ~" O6 R pokeVariant[0].bstrVal = valueStr;( a0 a/ d1 I* {( g' }! `. B4 _: Q
2 B, Y: z' q& L' ^& [: K
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ y0 F0 i# \& l6 e. u
VariantInit(&pokeVariant[1]); & d6 A2 g7 ?3 Q w) A
pokeVariant[1].vt = VT_BSTR;
# e7 I! k2 P) I } pokeVariant[1].bstrVal = itemStr;: S, y( L9 ?8 B
: B4 i: Y8 E: T/ i% M- q/ Z' K topicStr = SysAllocString((WCHAR *) L"system");
. q) d R3 }' ?- j) h. o ^ VariantInit(&pokeVariant[2]); ! R! J, L$ N$ c" l$ C
pokeVariant[2].vt = VT_BSTR;
) S! ~" ]. k1 B% {1 t pokeVariant[2].bstrVal = topicStr;
# x" t6 I( O; j- u; A" P. D1 q+ o8 u, V& R* H b
// Set the DISPPARAMS structure that holds the variant.' S u* i$ X( d7 ]
/ C# U+ I$ o6 p# G7 ]& A8 U dp.rgvarg = pokeVariant;& a* j, M) a5 y3 ~1 \. ~& x- ?# L
dp.cArgs = 3;& b& R8 f8 T7 O# \9 P5 H' J
dp.rgdispidNamedArgs = NULL;
1 Y) a( W: ~* Q; `- q9 Q/ R dp.cNamedArgs = 0;3 w4 x2 G7 @; |" ~! ^, g
( y5 C0 t+ M3 ]& C: b// Call IDispatch::Invoke()! w! m; L; t% B1 \# U+ p! \& n0 x
( I( T/ F2 p: x ]6 T3 x
hr = m_pDisp->Invoke($ B% L" b9 F) \: O& D' F
pokeID,$ K& V4 S0 ]/ ^2 K7 q
IID_NULL,( e( h8 i9 V6 f8 ]3 @7 n
LOCALE_SYSTEM_DEFAULT,. G# p% l: y8 q( q- c. A& e
DISPATCH_METHOD,
, ^1 o& V2 t1 H7 x& Y &dp,
% \; ~6 _7 [5 M6 x! s3 ~ NULL,1 Q* W/ D* S* K$ F: ~% E
&ei,
6 O) i. D2 `$ i3 i- f( U &uiErr);
! Q+ S* G: H7 m, U' [
% C- S8 ]5 Z0 b* y1 S1 z5 y SysFreeString(topicStr);
" z8 {* f5 `* z6 g; B8 t9 Y2 A SysFreeString(itemStr);
" Z( s+ U) y( D2 Q& r; r4 }, L SysFreeString(valueStr);5 |0 E. A6 V' Z7 V
! f! j! o- p+ G( H. Y/ z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???
4 B! Q8 A/ H* r7 u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????' ?1 U) T0 _& \9 Z+ P
+ I2 I4 o! `- u6 N
# m, N- r H& _2 i* ]/ W+ L0 Y2.这是request的程序
! R7 \1 h& |" {8 X7 z+ }// Request a value from Extend9 D7 i, U1 V/ R4 E" |
//
* u$ q! G4 j% O# E5 D% v5 m// Initialize the variant that will hold the BSTR. Set the variant's9 {2 Z2 ?% z+ U- e5 R3 P l* @
// type flag to indicate the fact that this variant holds a BSTR. Place the
- N: @+ _. g! j% p% M! x* B& D! M// BSTR into the variant structure.
* q4 O% Z8 A( Q# O7 ~7 P' k3 D- C$ I8 `, f; @. Y5 ?
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
" |% x' x# X' @: V) H" V 1 K7 ^' R) i- {8 c2 F; T. X y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" n! k1 @/ y, y) T, U) q# t5 L VariantInit(&requestVariant[0]); ' v0 R3 Z, `: d2 ^, f/ E4 x
requestVariant[0].vt = VT_BSTR;
" Y& F4 Q# D9 @* b" ] requestVariant[0].bstrVal = itemStr;2 ~+ P3 s/ k. ]% z/ T7 l) Z
% f" ^7 {' W" K4 V! {+ p' [& G( [ topicStr = SysAllocString((WCHAR *) L"system");
$ A' ]" u+ F4 @0 c$ Y VariantInit(&requestVariant[1]);
/ G0 N' i, _" ~ requestVariant[1].vt = VT_BSTR;
1 N# W+ Z# w' `& m: a7 Q& j requestVariant[1].bstrVal = topicStr;
) q! y( [% ]' \) m7 `3 l
6 m9 y3 t9 J9 p2 ^// Set the DISPPARAMS structure that holds the variant.
' _% l, u7 r" s( h1 A; F
8 V$ l: p' Y" N ~ dp2.rgvarg = requestVariant;
. @1 |5 t7 r' u" l# J/ P5 \ dp2.cArgs = 2;
6 P' P' B8 l3 l( k- j: G' ? dp2.rgdispidNamedArgs = NULL;- B: W6 p& ?+ r1 x( |% L/ L
dp2.cNamedArgs = 0;
- i. w9 }; ]9 ]1 ~+ K1 ]7 l& n/ Q( N) b
var.vt = VT_EMPTY;
' @) T2 {' }* s. }( r
: L* i0 ^7 v; Z$ n& N' \// Call IDispatch::Invoke()
% Z) g% I( x1 @" b5 {
& x0 O! [8 I% h; W hr = m_pDisp->Invoke(
3 m( H3 N3 A' R$ b A requestID,
: S* i& K; j" A+ a' n IID_NULL,
& B2 D5 U1 _& Z LOCALE_SYSTEM_DEFAULT,
; h% f9 x% B) E) k3 T$ X$ v DISPATCH_METHOD,( r0 f5 u' s2 i4 G7 u
&dp2,
+ `! n. }) a9 X( Y0 C/ M &var,) ~# B0 n( w( A
&ei,
- S+ L# x7 `. X9 p' ? &uiErr);" K/ @& V u, \" _+ |0 q" q
- Z. }% B5 }8 m; [ SysFreeString(topicStr);8 S( J+ C" }% `, L; ]
SysFreeString(itemStr);1 n% P m# U5 C5 v1 V
请问该程序是获得extend里面的哪个值?3 j0 o' t5 W; ~+ g8 G9 } A/ w
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???? |
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