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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:
; l( @$ f U0 L6 y$ H" ^0 L3 K* E3 DName = (WCHAR *) L"Poke";: y! w* D" k# J2 {
% }) R" V6 m& a7 O3 A" v$ M
hr = m_pDisp->GetIDsOfNames (; h% h6 q# V& h# I8 N) J
IID_NULL, // reserved( Y% X$ @% B% `" A: C, @
&Name, // Array of names to get IDs for
' V+ |( v5 H' \, [0 s/ g3 r 1, // # of names in the array
3 ~' N" J! R6 G) O t8 R, K LOCALE_SYSTEM_DEFAULT, // System locale' u: R* f) o5 O; R$ A
&pokeID); // Array of IDs to fill on output* T7 ~2 P4 l( d3 Z7 E( d* E$ G
$ @4 e4 M( [8 A: ~% _
if (hr)1 R( j# `- C1 d V
{
- l4 I; V+ G2 m" a. n6 e MessageBox ("Get Poke Unsuccessful");
_$ D' a" Z) J" {. Y% R# k& S return;
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; n, T r( N+ p8 O& E/**************************传递数据给extend**************************************/3 T5 x4 S3 d5 ]& }
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");; U( I* j+ R1 C% a
VariantInit(&pokeVariant[0]);
% N) W/ H, d- Q# P pokeVariant[0].vt = VT_BSTR;
, b3 Y* B. I- J pokeVariant[0].bstrVal = valueStr;0 i( F# k# { Q# f- c# Y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 ~, h4 G, R# ^$ {0 ~' Q5 F+ [9 i VariantInit(&pokeVariant[1]); * e% {( e* ~5 k$ q. a* y! F
pokeVariant[1].vt = VT_BSTR;
" N( r/ T2 Z3 K! v9 U7 ?: B4 P" z; f pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
% b0 M' g* x, ^; z- S% M VariantInit(&pokeVariant[2]);
z6 b* O% V, A. M; v( v pokeVariant[2].vt = VT_BSTR;
+ Q1 F j) U1 N+ R4 e pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 C3 i- Y) ~% Y# I a* ?" Y' {
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dp.rgvarg = pokeVariant;
$ P- J0 D' n; h6 ]" t dp.cArgs = 3;
7 G( Y/ l" U7 q$ x- g" Y dp.rgdispidNamedArgs = NULL;2 a0 A& m; H. {; v1 P7 z y
dp.cNamedArgs = 0;
: B) k- D# s: ?! e2 J
# m* U8 @0 R5 c; T2 ?// Call IDispatch::Invoke()
% [3 T0 }3 o% G# M
; @- J: B: k* m/ t! Z hr = m_pDisp->Invoke(
5 g% Z1 F# U3 o+ z+ C pokeID,
- q0 v3 k. q% @* |. N IID_NULL, w2 }0 j9 |& q8 ]
LOCALE_SYSTEM_DEFAULT,# @0 y7 i; Z# x b; Q# T+ h
DISPATCH_METHOD,0 K& @" O, f ^1 I( p
&dp,
( I* F% o* B7 ^9 o% ] NULL,
0 X8 z2 w' f) c; T3 A, x &ei,' p2 O/ a# q" f" M
&uiErr);
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SysFreeString(topicStr);2 I' J. k* F& o$ F6 `0 [1 |
SysFreeString(itemStr);* _. k6 ?+ R+ M& Z& O
SysFreeString(valueStr);5 U" ~$ i3 X0 d! y6 @ H3 t
, \, R9 \ A. L" Z! p! z3 N
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???
9 ~) J. ~( D3 M' a5 O) q, ]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????4 d/ `! S! X8 S" W3 c( _. e/ l
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2.这是request的程序
- r" K- r& N& X7 h, r// Request a value from Extend2 R: f7 \( i" Z+ l1 d4 v
//' `0 q9 X: J6 u4 r6 b+ o
// Initialize the variant that will hold the BSTR. Set the variant's
: R" B; y5 c- q6 _// type flag to indicate the fact that this variant holds a BSTR. Place the# ^) H4 Y; M: s& Y; C+ l/ T' v
// BSTR into the variant structure.
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' g! P0 y9 c$ q9 | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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$ [* W6 f; I$ k6 ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 l" q( j* L7 u7 ^. _0 U VariantInit(&requestVariant[0]);
+ T1 f' g7 d+ u% P requestVariant[0].vt = VT_BSTR;* `. f/ ^# D' _
requestVariant[0].bstrVal = itemStr;
' J& x7 z2 P S5 X* Z
6 `( s# p# t5 B' U* e- b, c topicStr = SysAllocString((WCHAR *) L"system");: ^8 ?4 I, g) U, I
VariantInit(&requestVariant[1]);
7 Z: s* v: m: U6 k requestVariant[1].vt = VT_BSTR;
) e2 l) p8 p) h requestVariant[1].bstrVal = topicStr;
6 ~( K6 e2 u, ^! p. c! w5 Q8 k8 X
5 B4 t+ T! U5 P% S2 a+ |$ U// Set the DISPPARAMS structure that holds the variant.
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) U! s4 z0 R6 `, _5 ]& V dp2.rgvarg = requestVariant;, U; K* }4 l3 G8 T4 S, }
dp2.cArgs = 2;
, o' y4 L& m9 a1 f1 K dp2.rgdispidNamedArgs = NULL;
' f' |4 S* Z) B) e- T dp2.cNamedArgs = 0;
5 E, s5 y! d b6 K; J$ s8 N$ f/ U, q2 m: X
var.vt = VT_EMPTY;
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1 K. l+ w. v$ C/ C6 Z6 [2 j4 O) }- k// Call IDispatch::Invoke()
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5 \5 s3 G6 U6 `) d. S; R. B3 ?0 L hr = m_pDisp->Invoke(- Z' e9 G4 |7 ]6 ^4 S1 {- o- x
requestID,& J! C) {/ P3 p
IID_NULL,* A; |4 e! s5 b
LOCALE_SYSTEM_DEFAULT,
9 X' L" _4 }: j/ l7 O( \ DISPATCH_METHOD,7 T2 }5 x Y+ B6 L9 T
&dp2,
7 | m9 M1 [( A8 U &var,
) W$ j$ |3 P4 i6 Q &ei,
6 U' w) ~( h3 s &uiErr);- `. w" b; b4 F3 o7 @5 C
; x$ n; d# J: F( `) d
SysFreeString(topicStr);
' s0 d4 V; t; o5 }. o6 _( ^- C1 `; K SysFreeString(itemStr);
" v8 g6 A4 Z6 |7 C9 t- ?) N" N* R请问该程序是获得extend里面的哪个值?
7 J/ v+ ^( Q$ ?8 V3 ^) Q- H' ~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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