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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 x) j5 U% P8 x# J h) k) U. u! h! Y% A
Name = (WCHAR *) L"Poke";
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- L0 a' Q7 D) M$ A# D hr = m_pDisp->GetIDsOfNames (/ Y2 c0 x: l, u q0 n/ o* F
IID_NULL, // reserved
: L/ B6 d8 B+ {8 [0 j &Name, // Array of names to get IDs for; j$ S7 @8 G. O8 y
1, // # of names in the array
0 }6 [* J* ^5 y0 N( I9 H, [) ~2 A LOCALE_SYSTEM_DEFAULT, // System locale7 f$ A% z( r7 E: s$ V0 b* O
&pokeID); // Array of IDs to fill on output4 j- c+ g& V+ d
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if (hr)0 A! V6 Q. |% |
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MessageBox ("Get Poke Unsuccessful");- t9 m" o7 ^5 g8 O% p+ o
return;; X! ~4 I4 b0 G2 `0 n7 i
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% |( w* o! y; F: o0 `! ?% [
/**************************传递数据给extend**************************************/
3 F. |: {% v! P pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 @# p, R' @9 O1 a( j* \( j6 j4 O# V
7 @% | \, Q. U5 ^9 W/ J valueStr = SysAllocString((WCHAR *) L"1232");: V: E$ d; F: O; L. c
VariantInit(&pokeVariant[0]); 5 a2 l8 O* g2 e- X6 G6 L% Y
pokeVariant[0].vt = VT_BSTR;
/ n( U* ^6 s; r' N$ ` pokeVariant[0].bstrVal = valueStr;* h4 \" ]4 |! l6 N0 W# Z6 N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* U; X) }8 t; e( z& t5 Q+ J VariantInit(&pokeVariant[1]);
( P! |7 r" S; S7 q5 R$ m pokeVariant[1].vt = VT_BSTR;
1 L8 S. P7 f4 e, T pokeVariant[1].bstrVal = itemStr;0 G9 G y7 {' b- g0 q! F& m; |
) s; [; I" U7 T% Q topicStr = SysAllocString((WCHAR *) L"system");* c# U$ T4 V# P! H5 h' o5 k4 U3 `% i
VariantInit(&pokeVariant[2]);
( K3 V# N1 q6 I' I: c# h4 V" y pokeVariant[2].vt = VT_BSTR;. s$ L, f, S: R- p1 ~
pokeVariant[2].bstrVal = topicStr;( T( A$ Q: \+ j7 x9 A, O
3 j; ]5 }0 N4 m6 P* s$ L: @" s5 Z// Set the DISPPARAMS structure that holds the variant.
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9 v: A' p: P( Q. |4 ~& ^ dp.rgvarg = pokeVariant;/ k n5 g: y% x R2 S
dp.cArgs = 3;
# S, U, d. K, W ~5 ~( q dp.rgdispidNamedArgs = NULL;
- }' x8 e& a' W9 ]$ x dp.cNamedArgs = 0;
0 \4 n& u- i* v/ k3 P% G) _4 l' |$ l: }
// Call IDispatch::Invoke(), g+ \5 p$ _0 Z. C
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hr = m_pDisp->Invoke(
) U. A9 g+ I. @- y w1 k7 r pokeID,
/ `. u2 R6 g% w, O% i D; ^ IID_NULL,+ O/ J6 V2 L5 f- q, a
LOCALE_SYSTEM_DEFAULT,5 F+ V8 r, N' i1 Q' R! _) ]
DISPATCH_METHOD,% [: P8 Q% Y" F0 t6 e, f
&dp,
6 e( N$ C; N5 [5 m NULL,
- M$ ], A2 m, @2 m/ U1 ? &ei,$ U' l* l) I5 p [5 q+ O* J
&uiErr);
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SysFreeString(topicStr);
, q( h5 X$ S/ S SysFreeString(itemStr);
' C A* i% u- |+ n1 @ SysFreeString(valueStr);
, T/ k% w- D5 Q) v+ \: y y& A/ C5 D4 r( _0 |1 h; \
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???
9 S: O( f1 B0 o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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2.这是request的程序' t6 W* U# P( u6 x
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's" k+ e( \5 r( S2 _( T3 |8 }
// type flag to indicate the fact that this variant holds a BSTR. Place the
: \7 b( m/ Q* `3 s( o$ H) @( x/ o// BSTR into the variant structure.
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9 r* n5 f8 ~6 ~$ q5 z" r+ f requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 n1 e3 O- J y& z5 |( V% }* s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! P# f* T) y* Q: p6 Z
VariantInit(&requestVariant[0]); . s1 g5 v) p+ O- e V7 y
requestVariant[0].vt = VT_BSTR;
8 E4 L1 K6 U7 {- j; S5 }" N" S requestVariant[0].bstrVal = itemStr;
' K7 w/ C2 V" F7 T6 s2 x0 l
7 o0 j5 g7 X n9 @6 s topicStr = SysAllocString((WCHAR *) L"system");: V8 b7 z+ e# M% x% i R7 e4 [
VariantInit(&requestVariant[1]);
% I$ Y7 F: t9 J, b6 r S requestVariant[1].vt = VT_BSTR;3 a D6 u* k; Q; g
requestVariant[1].bstrVal = topicStr;; I6 m6 H7 U, C+ r: e4 ]6 s$ {
, o# \, S5 z) ]1 `// Set the DISPPARAMS structure that holds the variant.
+ q [$ F5 y; v8 A+ F. v- N7 v4 {% g- a
dp2.rgvarg = requestVariant;
' ~& T6 r* |; Y3 ] dp2.cArgs = 2;2 [( R9 K7 {3 I$ B
dp2.rgdispidNamedArgs = NULL;
8 o' [' c* a4 a6 g5 R( g. t& ? dp2.cNamedArgs = 0;# J6 A7 E8 U# d) X4 ~: ]/ g9 a
8 {* r2 D2 c: u, P% z1 U var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()# V8 Q5 D: q/ X' a1 u) e7 m
% t* {1 p, Q/ G hr = m_pDisp->Invoke(
( w& k6 j/ T# c. ` n0 Y requestID,! U/ A F& g3 z) `, W- ] h
IID_NULL,
. z2 }, m" q: q1 `0 ?0 L LOCALE_SYSTEM_DEFAULT,/ Y3 p; c; q5 |! e5 R& g
DISPATCH_METHOD,
1 p+ p, h8 D5 T &dp2,
0 M# j7 B% L. _+ W. A9 g &var,
* i0 r! q& \, \- _) ~- P b* y/ L &ei,
! d% j! |7 _1 S5 Y &uiErr);+ o0 x+ A- B# `5 ?
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SysFreeString(topicStr);
, V# ^5 c/ z9 u( n/ H SysFreeString(itemStr);
/ D f x* g7 {) h5 E请问该程序是获得extend里面的哪个值? c0 N2 {3 P/ L9 ], H8 m, B0 n
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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