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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:
* Y& X B7 M4 H8 U. g0 |Name = (WCHAR *) L"Poke";% `8 g0 ^5 X% h0 H
. W, n9 q# Z B) ~* Q hr = m_pDisp->GetIDsOfNames (& J* ?3 | h% t( r) u
IID_NULL, // reserved
$ P, w1 j! @# y &Name, // Array of names to get IDs for
) p7 G0 v1 s/ z% E0 C" Q& A 1, // # of names in the array
7 x7 [6 j% T/ {6 P# _& U LOCALE_SYSTEM_DEFAULT, // System locale+ P$ t$ i2 v& v1 X; f0 q
&pokeID); // Array of IDs to fill on output
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, K0 A" u# I' w2 Q3 ~+ C+ a if (hr)! \5 g6 ~ l1 A' f) Q0 n$ Z C; W
{2 s( a. \7 E& F% u( D1 {( P9 f
MessageBox ("Get Poke Unsuccessful");9 D2 c9 X( o/ `. i, L( P
return;
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/**************************传递数据给extend**************************************/% q& R. H# U6 u, f5 ?9 S8 P# M% L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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9 b1 i$ ` ?' e1 I0 q4 F valueStr = SysAllocString((WCHAR *) L"1232");& M; m: ~3 a j/ H# b
VariantInit(&pokeVariant[0]); 2 Q. z) _ [% R: @1 @; ~6 D D1 W
pokeVariant[0].vt = VT_BSTR;1 e' s( E% s% ~* D' a( t$ w8 n/ L
pokeVariant[0].bstrVal = valueStr;6 Z$ p6 o! x+ W8 S5 E
/ t: F8 T4 x: b, N( r% t9 W; p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 E. S- H" D6 ^ VariantInit(&pokeVariant[1]); 8 J) e5 I) l. ?: z% R& L9 e
pokeVariant[1].vt = VT_BSTR;( `2 o0 a. |# O ^& @ k. A- g
pokeVariant[1].bstrVal = itemStr;
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' E/ l: @1 r! a topicStr = SysAllocString((WCHAR *) L"system");
8 `$ d: w' U" \& {- l# a F& V0 M VariantInit(&pokeVariant[2]); ; C/ _5 {0 ?9 O! d3 \! f K; k
pokeVariant[2].vt = VT_BSTR;
' n0 {( X+ H5 E/ t' }% U: A pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.0 S- ^6 z1 n9 z3 V( A# T% Z
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dp.rgvarg = pokeVariant;
2 B9 @2 h6 x7 H/ O dp.cArgs = 3;- ^9 N4 {$ {- E, Q
dp.rgdispidNamedArgs = NULL;+ ]# a& y9 E8 s
dp.cNamedArgs = 0;6 ?- v7 D, {$ @0 |' u' f$ r3 j4 }' ?
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
3 X/ r& t/ T+ P4 z$ q: S pokeID,
5 T. w1 @2 b. j! N) O5 @5 m3 m IID_NULL,
' A# K, m- A( d LOCALE_SYSTEM_DEFAULT,
8 y8 M3 d R% B5 ? DISPATCH_METHOD,' {6 w t0 ~& Z1 W
&dp,# s* U% B6 C: `% D* \
NULL,
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&uiErr);6 E1 [. J0 t+ s. R7 U0 ?
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SysFreeString(topicStr);7 `- a& f7 p# {: ^
SysFreeString(itemStr);+ u: h9 e% \7 Y
SysFreeString(valueStr);# W8 j* l: k3 @; X, B
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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???- U8 N1 M# X2 @% [
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????+ \+ p5 x* P/ E3 ^! _: E$ A
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, W6 ~ w/ v l. g( v& \2.这是request的程序5 W" U, ?6 B" N9 A$ N6 ~& \0 z/ \
// Request a value from Extend1 {' ?, m, a7 _0 a
//
0 @" ]( `- D$ _# x// Initialize the variant that will hold the BSTR. Set the variant's: t' I" r9 Z8 Z/ a4 i
// type flag to indicate the fact that this variant holds a BSTR. Place the" J8 q/ @9 o! ?% C4 Z1 \6 k( y# @
// BSTR into the variant structure.; R$ G- B6 a S2 K* j
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& o2 X% Y6 z) n2 V+ `6 w+ J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* F+ y9 t$ X+ G. P0 L1 u7 c VariantInit(&requestVariant[0]); . V( K4 @; P# J e6 x0 y: D( ]% u
requestVariant[0].vt = VT_BSTR;
) J4 S5 I/ c* `7 y9 n+ r. q2 | requestVariant[0].bstrVal = itemStr;% z! }+ y. U3 j J
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topicStr = SysAllocString((WCHAR *) L"system");
5 S/ A2 u2 J& Z VariantInit(&requestVariant[1]);
' C8 a' `+ j% q4 w6 ?) B2 o5 e9 @ requestVariant[1].vt = VT_BSTR;
$ p; h: a8 i. z. B7 t* \ requestVariant[1].bstrVal = topicStr;3 C2 z- L5 M, I. y e# [* }7 @8 c! h
: T m7 |" n" @4 h6 u" Q// Set the DISPPARAMS structure that holds the variant.' Y8 l# @+ [2 s Y) A
`; t C; U3 O dp2.rgvarg = requestVariant;
E3 P! D( D# n( Y, J dp2.cArgs = 2;$ z6 y) F. }: g$ s7 F
dp2.rgdispidNamedArgs = NULL;+ Q) f+ q" I( T* z/ M1 a& U# @
dp2.cNamedArgs = 0;+ l3 A& J& k8 p6 k1 V4 o
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()0 X" k% `& l; A' n% O4 L& N2 t
5 o7 u. g$ t% E; S% C/ t+ u hr = m_pDisp->Invoke(
0 v# O/ J2 F, o9 t6 N$ G requestID,% {; L" u, a" ?# V+ V4 `
IID_NULL,; f4 O2 [! U# c1 y1 K+ @
LOCALE_SYSTEM_DEFAULT,% y" S2 h) [2 \# d2 c4 X4 t
DISPATCH_METHOD,) x1 R w; @8 x3 s3 o8 \
&dp2,& N& {* h; K5 W8 [& B' B$ H W
&var,4 {6 u8 Q' A }6 J3 j
&ei,
8 D2 b- F y2 M, E &uiErr);
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0 h' R$ F" z1 v( T' g SysFreeString(topicStr);
/ ?' `- A7 M8 f) b x) ~ SysFreeString(itemStr);
, `9 t+ I2 m6 I* J! ~; M请问该程序是获得extend里面的哪个值?
% K0 f( W$ t& o+ I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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