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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:
" D& B7 U; f1 _) xName = (WCHAR *) L"Poke";
; ?( F0 k! B* S# S ! n' w- Y+ a6 ?! Z3 `+ F
hr = m_pDisp->GetIDsOfNames (
- [/ t* t" a4 h* Z- R0 b& {9 Z IID_NULL, // reserved- G' p; }4 V, r
&Name, // Array of names to get IDs for
; c6 p2 H2 r) d' D2 l7 b6 a0 J! q 1, // # of names in the array. }# x ^( Z( h" F' ]
LOCALE_SYSTEM_DEFAULT, // System locale; ^; o! B0 `0 q9 K s% F
&pokeID); // Array of IDs to fill on output
- u. H6 S- c; g
! Y4 ], }3 Y; Z# |: k2 J% {- M if (hr)
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MessageBox ("Get Poke Unsuccessful");
$ y7 M3 n5 v. `) A1 n return;( t: v. f' n, T6 V4 f
}
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/**************************传递数据给extend**************************************/! [2 ?: u6 O' O! s' `- C1 A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% n n1 j0 d+ K# ]4 x$ T
! H3 T3 F E+ z7 j e( z valueStr = SysAllocString((WCHAR *) L"1232");
" a- B8 _1 x$ R- [ VariantInit(&pokeVariant[0]); ( A9 [: a) A! p7 I9 {
pokeVariant[0].vt = VT_BSTR;
" L f C( `/ V) g pokeVariant[0].bstrVal = valueStr;
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) R4 O% r4 h3 y* s4 L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 j& n ~/ t; J
VariantInit(&pokeVariant[1]); 9 Z! b2 x$ l* T9 ?, g7 Z& c
pokeVariant[1].vt = VT_BSTR;
5 T: |0 l. ]* ]( q pokeVariant[1].bstrVal = itemStr;
+ L+ R3 o: k6 e0 }
* x; }) _6 j0 H) b topicStr = SysAllocString((WCHAR *) L"system");
5 M2 n5 f8 Q( S! N+ O VariantInit(&pokeVariant[2]); : H- f4 ^* s$ N/ N
pokeVariant[2].vt = VT_BSTR;
+ [2 u1 T A6 E pokeVariant[2].bstrVal = topicStr;& w" u" }: M- V& b* O
- [. ?: r- f1 `: P K" ~// Set the DISPPARAMS structure that holds the variant.
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+ v3 \7 i! y' x2 m9 u' k9 s dp.rgvarg = pokeVariant;
( M; Z) U; T8 R4 l2 l! } dp.cArgs = 3;. B# D: ?" V: X/ y) Z; l( Q
dp.rgdispidNamedArgs = NULL;; e: @5 @- M, B/ O2 L5 G7 I
dp.cNamedArgs = 0;" G0 Y/ m2 r+ w8 W
# @ ?3 i! r* s, T6 b// Call IDispatch::Invoke()8 X) {, z6 c. `7 b9 O6 G
% [( i0 \$ H% H3 `5 u' L% ?
hr = m_pDisp->Invoke(
" e; T3 Y3 X% ~$ j pokeID,8 ?. A. \; Z ?( }$ \6 s
IID_NULL,7 R+ c6 ^4 T4 T) V3 a: d
LOCALE_SYSTEM_DEFAULT,
" r- r8 T" S( j7 f5 z% r DISPATCH_METHOD,
! E5 l# o) T" Z( r &dp,, m7 T7 b. K3 [6 B: z4 G( g
NULL,! _; Z, u! T% y8 U) L
&ei,
" r8 T' w6 ]; i# d. s9 A! ^5 r &uiErr);
; H8 ?: \' o& A- R' A% [8 v; Z6 h: C. ^. Q' W* o$ T4 w
SysFreeString(topicStr);
' x% x4 x4 `! U/ I* D SysFreeString(itemStr);
( t/ U1 A& s; u. s4 C SysFreeString(valueStr);
/ a( S5 N: @& u1 x7 C) \ J# j/ h7 O8 ?1 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???' o6 i' W( D! Z$ i# f0 K
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????. U, y7 O' C, Y u( a
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9 e) C/ H4 O7 n9 K6 {" p9 T3 k0 D) j1 L
2.这是request的程序+ m& e8 s4 |2 O
// Request a value from Extend3 R4 m* s) U7 E+ f/ k( s
//; J: R3 s7 }1 {5 Q* B3 u. r
// Initialize the variant that will hold the BSTR. Set the variant's! v7 R; ]2 U P, N
// type flag to indicate the fact that this variant holds a BSTR. Place the
# W( y& o1 y5 w9 l5 S9 }! `// BSTR into the variant structure.$ C' k/ Z' k: Y) H
6 C8 {$ h& z6 |7 J# J
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, G1 l3 z7 A: o. t* f+ K
# h$ q1 m- g1 @+ k" | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) O9 `! v5 W. ~3 L3 K3 m' h5 l VariantInit(&requestVariant[0]);
6 U5 e: g9 G% P requestVariant[0].vt = VT_BSTR;
9 A% d% @! d: i requestVariant[0].bstrVal = itemStr;
' [% U7 R0 `5 N1 Z6 j" c* j4 s% f4 q7 K4 T7 f6 ~
topicStr = SysAllocString((WCHAR *) L"system");2 n, W u3 L' B7 f+ b% h
VariantInit(&requestVariant[1]);
- ]! e7 R+ z6 I requestVariant[1].vt = VT_BSTR;
5 M ^" _: ^# ?; D& [5 B9 R requestVariant[1].bstrVal = topicStr;5 v0 z' z. R+ d$ O
" d; M+ q6 m7 x; |# i// Set the DISPPARAMS structure that holds the variant.4 V& `$ r) z, V9 f. |2 X% z! j
! }8 \- N3 R: D o* s. @ dp2.rgvarg = requestVariant;
# @) Y0 O# E+ [) N9 [, D6 n; E dp2.cArgs = 2;
* k5 M0 }) t* F/ t dp2.rgdispidNamedArgs = NULL;
. c6 k8 c2 Z: g" B$ O dp2.cNamedArgs = 0;
; l2 U% R, G$ y" f( K x" ]. L/ g3 g+ J# b2 _ L( {# w' a
var.vt = VT_EMPTY;
( I8 V' {' S) G+ f# Z
5 u* _& D* V; T" \: W& \// Call IDispatch::Invoke()3 H3 V0 t! w" x
( n( _9 }+ U. \( P) o hr = m_pDisp->Invoke(4 U( q; x R5 O* |% ^9 ~0 V
requestID,
7 o. P7 z* x& ^* E' ~; M6 | IID_NULL,
( V) X A8 R* x LOCALE_SYSTEM_DEFAULT,; D% _; w+ h" A8 r% c- F" \& c, c' k% X
DISPATCH_METHOD,5 e+ L% P, ]7 r
&dp2,
: d& ]) q% y- {$ X' D* l9 a6 a) W# S. A &var,
1 G7 N2 J: G8 U$ ?: c9 l &ei,
! o1 w1 ^0 i { M* z4 B: I$ e# p( n &uiErr);9 C* ?4 x { p0 ~3 }; U. D% Q6 }
! U. l- H+ ^3 \: J5 f2 n6 ?# @ SysFreeString(topicStr); U. B' V4 u2 O# n1 ^$ M$ V! d
SysFreeString(itemStr);
- J& {$ B: z% M B! m" b( U; }$ _6 g请问该程序是获得extend里面的哪个值?! C {) d: ]6 D0 q" @& R
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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