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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:2 J3 _2 h( }0 O* Q
Name = (WCHAR *) L"Poke";: a, ^+ @- E$ E7 ^
6 V( ?2 I: u# u8 d% ~* @% G$ G hr = m_pDisp->GetIDsOfNames (
, X' _" g5 {3 a1 w! D IID_NULL, // reserved. m4 ~1 n9 b2 T0 M
&Name, // Array of names to get IDs for
1 H f2 C9 X: E' d" l 1, // # of names in the array
, P; p8 n) Y" X" K7 v LOCALE_SYSTEM_DEFAULT, // System locale
) ~0 W1 Q8 a2 O, \& _1 G &pokeID); // Array of IDs to fill on output' _# B) @& n0 J, t
8 F D! B! F/ c2 ]& N1 n' P* N. G
if (hr), v0 e$ _ j3 N, q; G* M" y- |
{' K7 N0 Z, @4 B8 Z
MessageBox ("Get Poke Unsuccessful");
/ ]9 f2 [! t5 M8 m+ F0 y return;+ F1 C7 \ m1 f# @) K$ i
}
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/**************************传递数据给extend**************************************/
0 T/ b0 q5 B% [1 w pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& [9 z* E0 e) m4 U7 O T
9 ^ }. j+ G( s) | valueStr = SysAllocString((WCHAR *) L"1232");/ b) ]! n ?8 i5 k4 \
VariantInit(&pokeVariant[0]);
6 q1 `. G) [: V pokeVariant[0].vt = VT_BSTR;
% M. P. L, t4 J5 D" C+ L( u4 c pokeVariant[0].bstrVal = valueStr;
, S r: N2 Z/ s1 ^
# n6 A, |+ {) J; D+ h) C: a) N% b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) _3 F: X- _. M* o( L9 ], N4 W
VariantInit(&pokeVariant[1]);
& @" Y4 n. Y6 P/ h0 |2 M% \) [ pokeVariant[1].vt = VT_BSTR;
3 l7 @# C& b/ g) O8 E pokeVariant[1].bstrVal = itemStr;4 _. H$ }( X- U( G, Z9 S
, E7 k2 l# b7 ?7 v( { topicStr = SysAllocString((WCHAR *) L"system");* X Q5 r6 O. W( q7 f
VariantInit(&pokeVariant[2]); 6 Z$ P0 Y5 i- \7 T' K/ R
pokeVariant[2].vt = VT_BSTR;6 N- v! U4 c; P, x* b8 C
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# w' h5 u3 i$ o" I; n
! `! k- C0 v: k% X- U' L dp.rgvarg = pokeVariant;; t0 X b4 s# Y" c6 e6 x
dp.cArgs = 3;* X `, s4 L$ d5 E% P0 m
dp.rgdispidNamedArgs = NULL;
# G: a9 W7 `) e a5 v1 F dp.cNamedArgs = 0;' k3 t$ u' k, e1 B. b# I( ?' {
^: c& r3 f p" p" ~& d# f# [ [// Call IDispatch::Invoke()4 w0 |7 s" i8 _" \: T
2 Y5 V7 [6 o4 L% f7 N6 Y7 v hr = m_pDisp->Invoke(# Z6 d# g4 M( Q. ]5 }( ?
pokeID,
- K* \, i; {2 u8 x* E IID_NULL,
! ~1 }6 Q2 r" d y: [ LOCALE_SYSTEM_DEFAULT,
+ q: W4 e* c1 @3 N DISPATCH_METHOD,
- ], _7 Z: W: @+ X& E &dp,7 d- A' g: P% d. `- U) `$ p
NULL,: Y1 I7 P2 H* U
&ei,
, f9 W j. T" V( b& l% f &uiErr);
7 _3 K+ ?' T+ t }% h" f
. x# H7 D8 E& h5 m) _7 m% E c SysFreeString(topicStr);
) \9 I. Y. V) F! a6 Q SysFreeString(itemStr);
" g( }# s3 Q9 Q0 b/ I3 I1 { SysFreeString(valueStr);
8 h. u4 }& N3 J5 p/ P2 t( K& t% e
( {1 t5 |% R% l2 m& N8 X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???
' H& ]6 H, ^+ i6 s% ~2 R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 M% U( _6 T+ `% _
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N! n9 Q, q4 w
2.这是request的程序
$ _7 |: {3 ^+ A! p5 ]// Request a value from Extend/ L' x5 B, L I& g+ z0 M8 [
//
% ` u9 L3 M2 q. k// Initialize the variant that will hold the BSTR. Set the variant's7 g; T7 U) [, L7 X: B/ [3 ^& a
// type flag to indicate the fact that this variant holds a BSTR. Place the. i1 a% G6 P R% l g: O
// BSTR into the variant structure.# S6 z( T, g# J' t( [' U) H& S
1 p+ v% K' N: I6 Z5 v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
. A$ i" p K W8 K3 j0 o8 | _ R 2 B: a# u" }0 l( m* j
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 @1 I) `6 S U) f* Y3 V, k. w" K2 q VariantInit(&requestVariant[0]);
# {* D( I' E, Q requestVariant[0].vt = VT_BSTR;2 ~, B5 x0 O0 O1 x' G9 `1 ?
requestVariant[0].bstrVal = itemStr;
+ J' \. A4 F V$ z% S( c8 r* N% q0 Y
9 v* |% g/ ~. D0 A topicStr = SysAllocString((WCHAR *) L"system");9 ^- U, i: X& l p
VariantInit(&requestVariant[1]);
% z/ _2 ]0 v- B* {4 r requestVariant[1].vt = VT_BSTR;( u# `& N' I3 ^
requestVariant[1].bstrVal = topicStr;
/ s7 W! X9 D) _0 W# i6 I8 S: v: b* k* O) u. {
// Set the DISPPARAMS structure that holds the variant.
9 C/ S% P1 b: U+ L; \. I) i* h
4 k! a- g) h8 H6 y2 U3 p4 {1 b dp2.rgvarg = requestVariant;
l4 M0 k! I- i1 j8 Y1 m$ v. H& Y* \ dp2.cArgs = 2;
7 a: ]' ^) [! o. o0 h" Z; F: _ dp2.rgdispidNamedArgs = NULL;
! l" h8 e/ S6 Y dp2.cNamedArgs = 0;" ]# k( ? h# {" ^& F9 b- T
$ h0 m. z- R/ r w var.vt = VT_EMPTY;
" ~: I% S, a; ] a+ V
/ E7 _9 t. }6 H// Call IDispatch::Invoke()
2 [- b! y$ z' [+ j1 y9 l6 k+ n3 Y5 R' E/ _
hr = m_pDisp->Invoke(
7 ~0 U6 m1 A% u- z requestID,* c& K f% D9 t% i
IID_NULL,
2 S, k# F) q E: @/ l" ? LOCALE_SYSTEM_DEFAULT,
, u4 Z+ \% F* p* }5 }$ ] DISPATCH_METHOD,: l2 I! W& h4 `$ P5 M
&dp2,
2 E; u5 q0 T. c &var,
( a' ?9 l8 L6 u( `8 Q. D- A &ei,
2 O$ E7 c* P0 u+ w0 { u &uiErr);
# T3 U) F5 ?$ f$ f6 h3 s7 T) C, a N4 f% b; p+ t
SysFreeString(topicStr);
( q& b" L) t( l& \) r) ? SysFreeString(itemStr);
! z) N. W$ l/ u请问该程序是获得extend里面的哪个值?- ]$ }) }6 \: m% B
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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