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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:
5 u+ Q1 V. o* aName = (WCHAR *) L"Poke";$ O9 G! w0 N: Q) ^* Y
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hr = m_pDisp->GetIDsOfNames (
' M: D1 i a% v IID_NULL, // reserved: ^0 s' ^( R d7 f
&Name, // Array of names to get IDs for
/ c. v/ `9 Y7 e4 |! C) A& N$ ` 1, // # of names in the array1 n0 _2 ~9 ?# ^5 w' h" B! z: p& P# Z
LOCALE_SYSTEM_DEFAULT, // System locale
2 t$ o* Z5 U% F% \ &pokeID); // Array of IDs to fill on output- Z# U/ v6 D4 t( B6 P
1 J3 B; F* u' X
if (hr)
5 x: z! H9 [7 F% t0 d8 r {
3 o* q3 y' |* `; F; h* E MessageBox ("Get Poke Unsuccessful");
7 a1 [- U- \* z( P- a5 w) t+ d# {( ?7 l return;" v3 w, j- W- X1 [2 W6 E5 _
}$ \# ~8 Q4 \1 A; I. C
" d7 o5 m- A7 W8 ~& E7 H! k/**************************传递数据给extend**************************************/+ H( W6 d2 I/ n7 v7 Y. u# w \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 f) q E# a" y a8 f9 F - {6 a; F2 Q* p* ^7 @ o5 |
valueStr = SysAllocString((WCHAR *) L"1232");
3 {) T6 I3 R7 h4 V( M- F VariantInit(&pokeVariant[0]); ( t* S! B) X: O* h: ?% ]
pokeVariant[0].vt = VT_BSTR;" C8 F% L! C- N0 Q* s# o0 Q( i
pokeVariant[0].bstrVal = valueStr;
7 o2 O7 V8 `' L
! G: l' r, q z* i/ T& t |7 i3 s7 F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# `5 E8 [( O* A8 M% U" c! u VariantInit(&pokeVariant[1]); , x, c q1 e) B/ v
pokeVariant[1].vt = VT_BSTR;
; Y" X. \1 Q+ b0 [+ Y4 r pokeVariant[1].bstrVal = itemStr;
! H: Y4 S6 F* s# p6 z0 L! m* |# Z8 q; J X0 A- b N$ Y
topicStr = SysAllocString((WCHAR *) L"system");( [* _6 ]6 D1 n* L8 ~5 ]( A
VariantInit(&pokeVariant[2]); ' ^/ w! ~; u3 ]3 m* O$ Y; l9 T
pokeVariant[2].vt = VT_BSTR;
1 s5 v) b \6 J0 t4 X pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
5 ^: B, j: F9 p W( W6 f) o# p% c; \$ s: W! [& H
dp.rgvarg = pokeVariant;
" J3 [' K8 G3 ~, y$ b) [6 h3 O dp.cArgs = 3;: N9 v. Y+ o. {# p1 J' B
dp.rgdispidNamedArgs = NULL;+ w {" G: @$ E# ?7 Z F& T
dp.cNamedArgs = 0;0 k' U5 `1 C$ f( G/ H' y
, m1 n& z/ P! F( t6 o// Call IDispatch::Invoke()4 a2 t6 k# Z$ D$ X/ v6 ~
! f l. ~; [. ~: Q0 ]- Q hr = m_pDisp->Invoke(
% |2 ^2 T, @. ` pokeID,
5 w, e/ Y! M. {$ d4 [ IID_NULL,+ n1 ?# q. b6 q7 R' @0 G
LOCALE_SYSTEM_DEFAULT,( l+ Z7 C- r( o5 X
DISPATCH_METHOD,4 a* t/ c. b3 I [
&dp,
2 [/ `1 T- i- [, D( \, h NULL,
$ n- n+ m$ R$ V$ r" Z; u$ l6 g8 { &ei,
/ {& O# i+ X: i _ &uiErr);
& y- I0 @) W/ H* h+ @ ^& E. ?& v4 u6 i1 V1 {
SysFreeString(topicStr);# U- N% x" |5 x( L7 q
SysFreeString(itemStr);
' w+ r: V" t5 Q. e. }% | SysFreeString(valueStr);3 i8 W" ~* _: K
3 d) k( }4 U: \7 v/ O+ C9 |. r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???; w( M7 _- c1 u: l1 I$ J" X
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????5 f! E+ m8 }3 m
# @% _" p e# X6 ]2 t
0 e6 {, ]" b; U- T2.这是request的程序
1 U1 }6 `! k2 w9 D% m// Request a value from Extend, l, W" i5 s- d: f |1 W2 a: M
//+ k* I% x) Z$ m: e/ }) D. z) Y! K
// Initialize the variant that will hold the BSTR. Set the variant's1 h$ C& F) L4 ]9 w$ V. X' u# g$ t
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 z8 N9 N3 g! a5 @" ` H) B// BSTR into the variant structure.7 c4 u) L7 e! [
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ U( Q9 R" B- z8 P" d o- I + m3 g1 h3 n' a/ a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: n& Q1 u i J) z6 N2 ^3 H VariantInit(&requestVariant[0]);
. a; p% Q5 X6 P j6 {( S7 o requestVariant[0].vt = VT_BSTR;# r! J6 ?$ I" T, G8 h2 m; Z8 A
requestVariant[0].bstrVal = itemStr;# e3 V5 ]+ w) T1 G, G
; s) y7 }$ _8 f5 ~+ X- K
topicStr = SysAllocString((WCHAR *) L"system");
; p K/ k8 W8 |/ F& u VariantInit(&requestVariant[1]);
8 R6 _ {) C, V requestVariant[1].vt = VT_BSTR;8 ]0 H- S; [$ _% ^; ^4 u
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
( [7 M5 {2 v5 ~) B
+ y$ e2 l) r* _3 a dp2.rgvarg = requestVariant;+ i! G Y" a" u1 L- J7 S
dp2.cArgs = 2;
; v) B$ d: w) v: R% i dp2.rgdispidNamedArgs = NULL;
9 H3 y8 S L( f) f6 _ dp2.cNamedArgs = 0;+ i `+ z- ~" B4 h/ m2 x
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var.vt = VT_EMPTY;* R6 \7 t3 ?/ f; N H( c
7 h) o$ t9 j' Q' _// Call IDispatch::Invoke()( l, S$ s/ q9 P
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hr = m_pDisp->Invoke(
# l7 @1 O% b7 f requestID, E/ e- F4 V; F, r# N4 S
IID_NULL,
8 t) B" B, r. x- X7 S LOCALE_SYSTEM_DEFAULT,
. G, l5 O) p& Z' J: \ DISPATCH_METHOD,
0 [' u) v8 F2 ^% D. \) I &dp2,
6 J! \3 @4 p9 \# s" `" g9 K &var,
/ p1 \, t) \4 ?- L0 A; R9 u( t &ei,
& r; A# Q% R9 ^/ _( j4 Y &uiErr);! ]+ |* P- R9 D& k# E7 T( r9 Q: ~0 g {
& J; m- o, a8 w8 d2 ^ n2 t SysFreeString(topicStr);
1 i8 T9 p% R! o6 D& X3 ~ T SysFreeString(itemStr);
; G7 [& U) X: ]4 X7 j8 ?$ g( z0 q请问该程序是获得extend里面的哪个值?
6 D2 \# O s; T0 d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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