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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:3 t- V7 b! z/ M9 S( h- D' k$ h
Name = (WCHAR *) L"Poke";$ {4 X0 i b# P; r4 e5 N- z
' y$ M @: ~9 N4 U3 ` hr = m_pDisp->GetIDsOfNames (
3 H$ a- V0 E# ^: o9 z IID_NULL, // reserved
2 h0 B) k1 U4 g- z* z3 L( @ &Name, // Array of names to get IDs for
: L# x; O6 t" S/ Z 1, // # of names in the array
* I$ p' a; j: ~7 s6 u LOCALE_SYSTEM_DEFAULT, // System locale
) R( l/ X1 z" u" B: ~4 w6 T &pokeID); // Array of IDs to fill on output
" n: c" X# B$ O ' ^& k) e$ f9 I# O v# F+ x
if (hr). }$ a6 f+ _% Q# @2 ? g/ a
{
. s3 r, i! `* ^8 w" c! _ MessageBox ("Get Poke Unsuccessful");; w5 J' Q5 T1 m
return;
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/**************************传递数据给extend**************************************/
! C8 m7 E8 h8 H' d+ } y" K pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! e- ?8 Y" v2 i2 s3 O1 l
* A" x O# m5 f( T" N valueStr = SysAllocString((WCHAR *) L"1232");
' N& E) l2 w! i VariantInit(&pokeVariant[0]);
) n( e4 o8 M. C pokeVariant[0].vt = VT_BSTR;
- h/ I% S/ m, F8 y8 s pokeVariant[0].bstrVal = valueStr;
* F7 d1 l6 A5 i* y5 i2 ]+ p
4 q3 w9 h- F* u% m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 S( S! Y; E' d: @5 i
VariantInit(&pokeVariant[1]); 9 {- Y1 q) `+ W+ E+ z" n
pokeVariant[1].vt = VT_BSTR;2 r! W+ p {! Y4 g; s1 o9 q
pokeVariant[1].bstrVal = itemStr; B/ l% m# y7 _' P& Z
0 U. X9 H# H: E1 z. X topicStr = SysAllocString((WCHAR *) L"system");& g7 Q4 ?2 @& g8 J( H% X0 s& W
VariantInit(&pokeVariant[2]); 1 {9 l) V7 [6 w2 M) d
pokeVariant[2].vt = VT_BSTR;
; Y* ~+ A9 n" N$ |' ^6 } pokeVariant[2].bstrVal = topicStr;
# u D% \- L2 c# d W' J4 z1 u( S8 A. b9 U
// Set the DISPPARAMS structure that holds the variant.5 L& \* t4 r0 I: w
* _! ^3 @, l7 S! d, R. U& H dp.rgvarg = pokeVariant;
3 i8 Z% g- u6 k5 {& Q9 [# B! x dp.cArgs = 3;
7 f& P& h! H# j" g* W dp.rgdispidNamedArgs = NULL;
5 ^) N8 | R) M" x7 } dp.cNamedArgs = 0;4 Y* Z$ }4 {0 H3 d2 y1 B4 C, D9 z# o
- [( n3 l9 _7 o& _// Call IDispatch::Invoke()
4 `% h( q. A+ F& k# ?" S* m( K2 x2 X/ h
hr = m_pDisp->Invoke($ D5 `- Z4 U. H3 {* r% z- c. K
pokeID,
/ Y/ o2 b3 e. M IID_NULL,
; l' u% B3 Q! X/ ^: K/ H LOCALE_SYSTEM_DEFAULT,3 y! |* d e6 E- Q" @$ d
DISPATCH_METHOD,
6 x7 o+ @3 ]: |9 `; g- r &dp, W1 l' M2 R0 _' C2 } a2 q6 F
NULL,* ^$ _! I1 O7 b8 ^; x2 G% g
&ei, y# o" I. W F7 ]
&uiErr);
7 X6 \, F: Q* p5 Q9 t; H/ c0 H S9 x8 @! U( i. O/ N6 x5 y: y/ V
SysFreeString(topicStr);
' c( a Q: L. `. F6 T& ?5 ~ SysFreeString(itemStr);
' O' e% X$ e) o. B SysFreeString(valueStr);. ]. m2 G. I, i. c0 d# C& X, T, T8 @
' \* v6 G0 r$ o. L3 o- @+ I( m
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???
% t* Q' ^+ v5 [; L% _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????
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! ]' r) w4 {8 ]. d2.这是request的程序
) G& V8 g0 y! y6 f9 t3 G7 p// Request a value from Extend
# l; K1 d% D, u" p" j//# n* ?5 w4 U% s
// Initialize the variant that will hold the BSTR. Set the variant's1 k5 q% r* A* j; s' C" Q
// type flag to indicate the fact that this variant holds a BSTR. Place the
1 n- \, ~! f+ ] F- ^7 J// BSTR into the variant structure.
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; ]# t- M j3 l. Y3 J/ u requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' C+ P i- Q) D/ ?7 k3 ~, H
* O1 T+ D p4 J9 S8 n( c# }$ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- D( e* e5 t3 t VariantInit(&requestVariant[0]);
; C* h% @* E8 w: P. t# z$ P requestVariant[0].vt = VT_BSTR;
* o4 p+ W/ o! J$ b; n$ I! ~, Z requestVariant[0].bstrVal = itemStr;
9 k) [( h% [* V+ j5 x5 l; [7 n7 v- W* a- {! p
topicStr = SysAllocString((WCHAR *) L"system");
( b+ t/ w: v N4 Q1 _- u. \4 t VariantInit(&requestVariant[1]);
* p5 W$ `9 F# y4 W requestVariant[1].vt = VT_BSTR;# x4 \ t( L. r% {1 B. C1 e
requestVariant[1].bstrVal = topicStr;
: \: _( `, h) T* R
" z- ] d% D; O) N// Set the DISPPARAMS structure that holds the variant.1 ~5 M0 o- n% \: y! } l: w+ [& L
4 d% N: {9 u! ~) T
dp2.rgvarg = requestVariant;
0 U( B; b5 O; A- S! n+ Z2 l dp2.cArgs = 2;
( p2 ?4 {( @8 t6 X dp2.rgdispidNamedArgs = NULL;
R8 p$ \1 M4 j+ c O" \ dp2.cNamedArgs = 0;- L0 p, C0 E- \' Q
! U, g% U" R) K8 D0 n var.vt = VT_EMPTY;
4 b- P! ~% Q, `7 ^6 z( m8 M4 P+ X
2 {& E$ Y R& l2 [$ w; G8 J3 u" z$ U// Call IDispatch::Invoke()) G G I+ g8 A. _
. {5 F. p- X5 V6 W- i hr = m_pDisp->Invoke(
7 }4 f( r6 r/ P: ]; M3 { requestID,
p' r- U* M+ }& D) A IID_NULL,
4 }( O: D5 g( v LOCALE_SYSTEM_DEFAULT,
- v( @7 s" i( c# L DISPATCH_METHOD,
% _+ A' n1 C2 l &dp2,
, ]: e& Z" ^5 t% M6 J1 X. | &var,
9 Y5 H3 I1 R4 ?2 x2 r &ei,
* a- i2 j2 W- L/ A' P/ s/ h# K; L7 M8 ] &uiErr);5 k8 B$ r5 F% W8 |8 h b* b) E
( o5 E8 v0 W7 `2 z SysFreeString(topicStr);2 j5 n+ K: R8 v* l- v1 |; U$ R$ u
SysFreeString(itemStr);
* |+ r! v2 y+ O( l+ I请问该程序是获得extend里面的哪个值?
$ R1 w3 y- |) F& ^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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