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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) L5 ^" S( H6 ]0 d+ @: g1 Q' k
Name = (WCHAR *) L"Poke";
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) y, z7 f ~/ I) w6 ^# P( B, N hr = m_pDisp->GetIDsOfNames (
3 e' x K( |) L5 O- @; N& \- J; O IID_NULL, // reserved
* q6 {, E/ w! _) \. o &Name, // Array of names to get IDs for
9 L0 D- t* i7 I/ ? 1, // # of names in the array( p' O' E# q' T' \+ P
LOCALE_SYSTEM_DEFAULT, // System locale
& W: y2 p! i( S6 L( V3 f4 i+ P &pokeID); // Array of IDs to fill on output5 _2 w4 |+ V& h6 E9 }3 N- S; m% V, D
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if (hr)
% k, q9 C9 p7 ?7 } {1 M/ U4 U7 A0 Q" O+ [ P# r4 ~
MessageBox ("Get Poke Unsuccessful");
# R. ?- c% v& G) o. q' w0 ?! g return;
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! [/ J6 z" a8 p- h8 h% e6 ]* ?/**************************传递数据给extend**************************************/
/ C6 k! O+ Z7 L- u) E pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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" v( x0 R" \) A2 R valueStr = SysAllocString((WCHAR *) L"1232");( F% N' p- L: S" K" q3 [
VariantInit(&pokeVariant[0]);
! d6 z# e6 b4 M( J" @7 T' U pokeVariant[0].vt = VT_BSTR;
8 U1 W$ ?5 Y: y/ k1 p: n pokeVariant[0].bstrVal = valueStr;7 V; |) i0 Y' w0 d6 Z+ j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 X p% U, m- y. e
VariantInit(&pokeVariant[1]);
( P) G% Z. o5 P7 B% D pokeVariant[1].vt = VT_BSTR;+ h- b' n* p" R E
pokeVariant[1].bstrVal = itemStr;+ o: F' \# G2 i: w& \
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topicStr = SysAllocString((WCHAR *) L"system");* u) F4 p4 D2 \/ e
VariantInit(&pokeVariant[2]); 9 ?0 w' a" I' O, g& C
pokeVariant[2].vt = VT_BSTR;1 a0 s* x* }6 _6 h- z* r
pokeVariant[2].bstrVal = topicStr;- R7 Q# J g8 O S, c7 z
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// Set the DISPPARAMS structure that holds the variant.
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; n6 {! {: f* s; d# z' E' J! ` dp.rgvarg = pokeVariant;% {( L2 L, t) q9 |# ?5 b% L+ W
dp.cArgs = 3;
- A/ Y$ z' W. h) g& P dp.rgdispidNamedArgs = NULL;/ R& J) K) B6 F
dp.cNamedArgs = 0;
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2 { |1 t# x* O! k; R! G. b3 D5 d// Call IDispatch::Invoke()
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& l S$ z5 I4 l% }: f5 N hr = m_pDisp->Invoke(
, q0 K4 T& R! P$ N$ ^4 J' V pokeID,
% C, p+ x8 a5 C2 e IID_NULL,7 w0 B9 ]& d5 `0 a& D3 G
LOCALE_SYSTEM_DEFAULT,5 I& X6 V: P1 p/ G
DISPATCH_METHOD,: ~2 C5 ]% Y& m! ~& A
&dp,
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&ei,
# o" Q- Z. c" V0 R &uiErr);
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( z# `$ I# f, t( Q( z% ^- \1 J' i: g SysFreeString(topicStr);% X9 K. w* z8 W( m4 s7 T: @
SysFreeString(itemStr);" S4 u+ e3 w$ p& \
SysFreeString(valueStr);
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1 z$ G; V' A9 P6 P% e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???
# [; M3 z" G* P" m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????9 m3 W2 q5 B/ n+ b% m
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2.这是request的程序
3 I, g: k2 `; b// Request a value from Extend" l4 v6 ~2 _9 a$ B/ F* t
/// k# G8 V9 u k5 u% d4 Q; Y
// Initialize the variant that will hold the BSTR. Set the variant's
( n" |. K3 j. K, @5 Y+ q// type flag to indicate the fact that this variant holds a BSTR. Place the0 f2 M5 r6 k2 r0 g! z" D
// BSTR into the variant structure.6 Q. T6 g5 D0 {/ s% q' Q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( {7 m4 O M9 [/ @1 ]8 y, ^ VariantInit(&requestVariant[0]);
# o8 P6 J. ]" V+ N requestVariant[0].vt = VT_BSTR;7 c. Z' x& f b8 w: B+ t/ \" k
requestVariant[0].bstrVal = itemStr;: Z G& E' `- D3 q0 D; ~& [
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topicStr = SysAllocString((WCHAR *) L"system");$ L3 J% P( L! z" Z0 x/ G; R' m$ v
VariantInit(&requestVariant[1]); / ]6 U. [/ i6 A( ]5 d; h
requestVariant[1].vt = VT_BSTR;
$ u' e" h y8 t* N" k F requestVariant[1].bstrVal = topicStr;$ W! j. C V- O7 u7 }
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// Set the DISPPARAMS structure that holds the variant.
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, ]7 p# z: E; X5 N, U7 _ dp2.rgvarg = requestVariant;
' p& T9 N$ \& g6 F dp2.cArgs = 2;
0 q' j- \& o- @9 @! j, M" K7 q dp2.rgdispidNamedArgs = NULL;1 v* f% a+ ?* s7 P" z3 k) i% k2 Q* H
dp2.cNamedArgs = 0;7 i: [9 c4 K# o) `" }
1 L& L0 A5 |) ~: f( A/ t, j var.vt = VT_EMPTY;8 s8 B. A" c# t5 [' k
' b5 e7 ]. Q7 D// Call IDispatch::Invoke()8 a+ Y% ~7 B) \4 F* W! t- |9 U
: X' {- f) s6 w+ j/ u hr = m_pDisp->Invoke(/ o" ^( n7 \: ]$ h Z3 S7 p" T7 i
requestID," |& W7 w0 X2 I }
IID_NULL,
/ q2 R# J: d7 \1 i( V$ { LOCALE_SYSTEM_DEFAULT,
7 k6 s; H% f9 h' t& o/ T DISPATCH_METHOD,
, m2 P7 s1 h9 `; x" h &dp2,
. T2 K0 f9 X: O+ ] &var,
' e8 R: g* K- G9 `' |5 \ &ei,
9 ?5 ?( Y6 u! h3 A &uiErr);4 \ e6 Y- l* d8 [) \6 K
h" D$ x% W! U8 J, E* f- n. S8 P SysFreeString(topicStr);8 [$ h* B# |. ~ w j' R. ~/ f
SysFreeString(itemStr);
4 u" }" r/ G. B$ K请问该程序是获得extend里面的哪个值?
4 H |6 y) R9 ]3 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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