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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:+ ]' p% Z, F" |7 @, y
Name = (WCHAR *) L"Poke";3 N+ ?4 k8 P* [' @ P
5 S& l" ?; v: I7 u5 B hr = m_pDisp->GetIDsOfNames (8 h' Y; ?- p& P( l# E
IID_NULL, // reserved8 x( f5 N! U' w. `* }9 t
&Name, // Array of names to get IDs for
/ ]1 Q: v& ^8 a7 W8 [% z9 N% J( [ P9 ` 1, // # of names in the array" H3 f# s; x! ` B6 V
LOCALE_SYSTEM_DEFAULT, // System locale' h* Y9 k; C. r: L9 ]
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
) K' e# n8 L9 G. E! c6 h3 t return;
. R6 K+ \- ^! k# ]! \ }
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( x4 G' I R3 x. S0 i# S/**************************传递数据给extend**************************************/3 a( v9 v. Y. g" c! I: ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" ]8 e3 t- K) {) w& a0 }" B
/ c/ g7 r. a" C6 I0 A$ L- _ valueStr = SysAllocString((WCHAR *) L"1232");1 e$ [8 X. {) v7 T+ s
VariantInit(&pokeVariant[0]);
, l7 L9 E. B3 s) x7 f4 d pokeVariant[0].vt = VT_BSTR;
7 |$ v1 J" |' G5 B pokeVariant[0].bstrVal = valueStr;' f$ |* N" r; J. |9 H
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ P6 k' K( q. x7 l
VariantInit(&pokeVariant[1]); : t: H$ o5 t7 y7 s& e
pokeVariant[1].vt = VT_BSTR;
& {+ s6 q0 W' h/ y; V+ @2 ` pokeVariant[1].bstrVal = itemStr;/ I# U5 Y! t8 o; H* j, l. E- n% K
7 w- B/ q n) s6 L! |' r) } topicStr = SysAllocString((WCHAR *) L"system");
4 C+ F; ^7 r: M( U3 I3 q VariantInit(&pokeVariant[2]);
: _' { d7 S" |5 O/ c& Z0 y pokeVariant[2].vt = VT_BSTR;
" [* r+ f6 M( G, h pokeVariant[2].bstrVal = topicStr;, M$ ~4 F* o% B: a
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// Set the DISPPARAMS structure that holds the variant.# i" y2 R; v: N5 `7 l
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dp.rgvarg = pokeVariant;$ M$ F3 g7 d" V: M( |
dp.cArgs = 3;
6 D4 o9 l$ _9 L6 s) u m4 p2 z dp.rgdispidNamedArgs = NULL;
# U, W3 V1 J6 L* T4 H dp.cNamedArgs = 0;7 S7 D+ T" r; T
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// Call IDispatch::Invoke()8 O/ _ j4 Q/ x, T, f
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hr = m_pDisp->Invoke(* l" ~/ S, b) Q# b7 A& H1 ?
pokeID,# Q; z6 I6 V% r: U! N
IID_NULL,1 U* W8 B$ Z4 S* F6 ?& d0 Y, n
LOCALE_SYSTEM_DEFAULT,* Z3 `- e# v" U* X. }* r8 ?) L Z
DISPATCH_METHOD, ^; A) n6 |* K" T% [: X# j
&dp," o0 }& N* N% v' J! o3 O+ ~* B/ m' d; s1 O
NULL,
/ K/ R T- Q/ y+ J$ o &ei,5 |0 F/ D i; E7 x6 [. X- I
&uiErr);, F6 V4 U6 ]! Y; X
" H7 d0 u+ p: e4 }: T4 k1 C. h b SysFreeString(topicStr);
" R- s# ^7 \( ~* m* S SysFreeString(itemStr);# ]9 \! u2 g8 V; s2 p2 M2 x
SysFreeString(valueStr);0 ~2 J4 w) f# {7 }! F3 i3 a/ J3 F% r
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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???
% g; `3 M9 d- U5 I9 ?/ M" _* D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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) S. K' _( i+ Q& G; Y+ Z2.这是request的程序( s, e( k- N j, t2 ^6 i0 ^8 s) v
// Request a value from Extend
. Y6 C: j8 ~$ c) ~; b }//
% H5 n. |6 ^4 M// Initialize the variant that will hold the BSTR. Set the variant's
" m) |# z* i' l% D# s, i" s5 `' O$ \// type flag to indicate the fact that this variant holds a BSTR. Place the2 J1 j, ?6 a; `4 ^8 {; p+ c6 v6 o% v/ N
// BSTR into the variant structure.# E+ z1 ]; j& z& @) r6 Z m' K x) @
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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6 z9 E1 W* {7 w8 B# f9 x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( n% ~0 J; l! O- E. p2 h( l) C VariantInit(&requestVariant[0]);
7 w7 A( ]# \+ T: N" w1 t requestVariant[0].vt = VT_BSTR;
- G6 D6 t& O, E, ~4 o requestVariant[0].bstrVal = itemStr;
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; X, ^' c4 {; H1 | topicStr = SysAllocString((WCHAR *) L"system");2 T: ~# D9 Q0 `1 t6 K
VariantInit(&requestVariant[1]);
! o( R6 s9 W3 Y) M requestVariant[1].vt = VT_BSTR;
$ ?1 a, }! D% w requestVariant[1].bstrVal = topicStr;7 _% p8 e0 f5 g0 Y( ]1 c, T7 [
: G6 ]" V6 G# \6 L/ R// Set the DISPPARAMS structure that holds the variant.& B6 b5 b S3 Z
. v) i$ [$ C8 G dp2.rgvarg = requestVariant;
8 e! {% N; ?* ^. D8 x# a; _4 S dp2.cArgs = 2;
1 T- x0 n1 A: W! I dp2.rgdispidNamedArgs = NULL;
7 F( J* q, p. P/ v" w4 Y' R! G! g dp2.cNamedArgs = 0;$ t1 J% n0 l8 u' M
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var.vt = VT_EMPTY;6 p) L$ v- d5 S( e; z8 u
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// Call IDispatch::Invoke()7 b5 V2 a9 x% T, x0 r
; f4 Y8 q3 ?: `% E0 _ hr = m_pDisp->Invoke(
' i8 A$ f' Y6 T& R requestID,
4 I5 {1 Z' e( z9 [ IID_NULL,
* g6 t$ y2 ]# t( w8 r7 Y# L } LOCALE_SYSTEM_DEFAULT,: H% K& F& u; c5 m' Z* i; }1 L
DISPATCH_METHOD,
3 n* X& e% c% @% Q7 f0 ?+ T &dp2,
' h- T2 `- s( W &var,
5 u# b) C* E/ T4 M. l &ei,7 i9 b3 T% G9 h; [$ h
&uiErr);
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3 Z/ V+ h0 y5 a& K- T; \ SysFreeString(topicStr);
. k1 _8 ]1 \4 {! ~. K+ _" a SysFreeString(itemStr);5 e8 E2 ]: r7 V+ S9 k/ @- `
请问该程序是获得extend里面的哪个值?6 d' [8 _ V) {1 D0 p' \
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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