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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:' Y5 }. N/ x! o4 g+ ]5 |
Name = (WCHAR *) L"Poke";$ n' t) Y5 w3 s) R0 _
7 }6 j: g9 v9 |* x hr = m_pDisp->GetIDsOfNames (
" n( V. K9 U$ W; C4 F IID_NULL, // reserved% k; `4 H0 W! r" M% t0 t
&Name, // Array of names to get IDs for
5 Z( Z9 f W: x) ]/ f 1, // # of names in the array
) v" l) I, [' O$ u- A LOCALE_SYSTEM_DEFAULT, // System locale
) V% m% ~9 N9 { z0 m* ~" F& i &pokeID); // Array of IDs to fill on output- N! U6 q- ]8 [4 T
" u; [0 k" C- z0 s
if (hr)
* U. u& v N7 ^9 R {
$ [# y2 Y- v( Z MessageBox ("Get Poke Unsuccessful");
; s* {* u: H* V H* c; Q return;/ w+ Z# d4 U; Q. I; Z: j7 w
}
; l, c% W& v( n V* s" V( N j
" @* U5 S, {4 x% v/**************************传递数据给extend**************************************/5 w3 f( u6 M" k' H; h* c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 g% N0 P' a- X; k. N0 ^- x! c
8 G, w5 j9 Q+ [* \2 I: d0 _' v% c valueStr = SysAllocString((WCHAR *) L"1232");( r# Z6 m1 Q3 n) ^; Y$ C. Z! ~' w/ u# v
VariantInit(&pokeVariant[0]); ' r |- e+ L) t
pokeVariant[0].vt = VT_BSTR;
: o: y( _3 O4 i/ u+ P% ? pokeVariant[0].bstrVal = valueStr;' E; X) k$ V6 I* Y6 I j
# _1 h9 K& U5 |1 c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); G1 q& M, x; N' }' b+ U# y
VariantInit(&pokeVariant[1]);
! I& e* t6 \! j' T- r% w pokeVariant[1].vt = VT_BSTR;
; |% X7 h) M. ]3 w3 t* B' t; w pokeVariant[1].bstrVal = itemStr;
( X( Y0 x! D- h9 E! Y v8 m
( ~* C' H# |8 m* S topicStr = SysAllocString((WCHAR *) L"system");
: I! K3 g% [# _; s# N0 c2 W VariantInit(&pokeVariant[2]); 8 H5 G' k& e! H7 W# O
pokeVariant[2].vt = VT_BSTR;" a, U; g7 O {8 `
pokeVariant[2].bstrVal = topicStr;
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1 e" V- R/ n1 x; I# C3 Q4 K// Set the DISPPARAMS structure that holds the variant.
' E6 t' s/ T3 G' d: V2 N+ C% V( I+ _6 R* }* J8 y+ T( g# \/ V5 ?
dp.rgvarg = pokeVariant;2 z* }! \" J( r3 s* e( K+ Q
dp.cArgs = 3;, x# n) F! T& y; |
dp.rgdispidNamedArgs = NULL;
; o2 d: }, J! ~ dp.cNamedArgs = 0;/ ^ R z. b& k$ _" q, ^. e' ]
3 ^- D0 @5 H6 V- j
// Call IDispatch::Invoke()
( Y+ O8 D* ]# O7 ?4 }- m6 i1 Q
& e3 O/ N! L! _& }! G$ G) g hr = m_pDisp->Invoke(; m* \" n- W: B& Y$ D
pokeID,( y1 S4 T( Z- [/ Y
IID_NULL,3 S3 q0 |3 h1 l D7 X* U
LOCALE_SYSTEM_DEFAULT, o2 f$ n1 N5 E0 F6 M
DISPATCH_METHOD,
: a3 `8 Q1 l1 a& A2 f: W &dp,
) a* [1 W j+ ^ o" g% R' t NULL,# }7 [$ D- C" y p! D8 |! {/ v, Z
&ei," y& [4 ~" }3 _5 ~, a3 g
&uiErr);. U- t8 l5 O8 q5 c( g h8 z( x' z
$ w S2 M& D6 R' T: N SysFreeString(topicStr);% h. \6 m" g4 j) D
SysFreeString(itemStr);8 p; o- `/ j( k0 o# k( r* `2 R
SysFreeString(valueStr);
$ g1 }+ O* r; Y: L, Q
6 K% w/ K: N- Z" I6 e- [4 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???
' l+ b9 P7 d0 A5 c5 r6 T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????( B! e9 U4 } j+ _) C& k
, v- j! S% M6 `' }8 w# v4 Q
5 E3 w2 H$ g7 V$ q1 F" S2.这是request的程序6 f' t& K- O4 |; \) k* Y9 z% `" H
// Request a value from Extend
% ^& M1 r5 A l' x//
7 k, R. A' r: M [// Initialize the variant that will hold the BSTR. Set the variant's& f9 G. r. t( M* e- q! s- d
// type flag to indicate the fact that this variant holds a BSTR. Place the
; q/ w8 }8 j" _& O" {// BSTR into the variant structure.
% _, ^* [9 ~! F7 B l+ v2 a8 \/ ]! V2 e& |5 q
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
2 H' H, F4 g& ?$ A% v1 ] & C3 F( B3 E# S7 w( ^9 \) J. ^- _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" _9 e) h5 K) \: `" L: i8 u
VariantInit(&requestVariant[0]); - P Q3 Z( O7 L, e
requestVariant[0].vt = VT_BSTR;
9 I; z; V& [4 V R& H. s requestVariant[0].bstrVal = itemStr;
' e; G& U% m+ y( P4 e; s
& ?) X% ^# D' M& N! v topicStr = SysAllocString((WCHAR *) L"system");- P5 f7 U5 x: `( u" f. W$ D
VariantInit(&requestVariant[1]); 9 B. s) f: ]1 h N" l" q
requestVariant[1].vt = VT_BSTR;: F6 {' @5 [9 }. h T. O; Z3 {
requestVariant[1].bstrVal = topicStr;
- { U% S |" H1 d) X$ W. Q0 ?4 t; `) y8 t" g( L
// Set the DISPPARAMS structure that holds the variant./ D0 Y! a; P5 E! d
$ P- L7 W2 u# \) y4 K) u
dp2.rgvarg = requestVariant;
+ I/ T2 E# @; c+ U% s7 \% } dp2.cArgs = 2;4 V7 g3 F2 X6 ~$ q- C
dp2.rgdispidNamedArgs = NULL;- T) u! q$ N0 `2 P
dp2.cNamedArgs = 0;! O3 u+ }, [+ Z3 G! K5 D! G
( X' F5 x+ _# r' J7 s X; @
var.vt = VT_EMPTY;; X+ n) U; o3 I5 z/ Z% _
9 y. D; }- N& t5 x& N// Call IDispatch::Invoke()
8 I3 b+ Z" g E) C0 j0 Q* j1 l5 ^" u( O% S( ]& @( v& P
hr = m_pDisp->Invoke(
& G8 Y1 | a4 R" s* q& @1 z requestID,
7 q2 A) g2 j* s8 N% s! H! D- j IID_NULL,' j' O7 p1 g$ p8 G
LOCALE_SYSTEM_DEFAULT,
* G% F) @6 W; y8 g9 k DISPATCH_METHOD,
- u$ `( x& J# f8 S( n &dp2,0 {- @) S, E' l& {# }6 b" `( L
&var,7 Y1 T* {' k/ q
&ei,4 s8 N) p2 s- e, r, \
&uiErr);
1 `' f: I, t. z$ |. f% ]( l
) E: r- h; w; g9 F: l SysFreeString(topicStr);
9 X8 Q- L2 h7 [, d5 h+ W SysFreeString(itemStr);
/ o T6 K9 \* z' ~1 c. Q d' W请问该程序是获得extend里面的哪个值?
4 Z+ P0 R1 k6 x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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