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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:' W. Q1 N0 o/ V5 @0 v P
Name = (WCHAR *) L"Poke";9 E$ T( m9 j' h! {
3 p7 _) ?) |* ~+ L hr = m_pDisp->GetIDsOfNames (
+ A8 E! i' q! R0 t" T p% R: n; E IID_NULL, // reserved& @/ N8 N+ q+ g/ h5 S
&Name, // Array of names to get IDs for ^/ {+ A: M g& k7 A" v7 r
1, // # of names in the array. @3 r/ O9 d# b. R
LOCALE_SYSTEM_DEFAULT, // System locale
0 S5 E6 W/ u& k$ R &pokeID); // Array of IDs to fill on output
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9 I2 E: k) [/ ^" D6 r: J W F+ p if (hr)' r/ U& a% l& K) m5 [$ G
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MessageBox ("Get Poke Unsuccessful");
! j- X- m0 D, B# m w return;
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/**************************传递数据给extend**************************************/
) l( T5 I* C& F( B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ g- ^; e) X' a+ ]. v
& D& A$ Z/ I, @/ N valueStr = SysAllocString((WCHAR *) L"1232");
7 w9 L# t: `5 W- _1 s VariantInit(&pokeVariant[0]);
3 Z8 o6 B4 g! O4 M" g* O3 \$ J pokeVariant[0].vt = VT_BSTR;+ M, ^3 B6 s" C5 k
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( S6 ?0 z1 H @. X VariantInit(&pokeVariant[1]);
" i1 b3 u* g0 L0 t/ X pokeVariant[1].vt = VT_BSTR;
7 T, ~% A- q2 v% m" X2 v* c4 Z pokeVariant[1].bstrVal = itemStr;
9 M4 i8 v2 Y1 V& P3 O1 p
: E& |; g ]' _- F( v5 M3 \ topicStr = SysAllocString((WCHAR *) L"system");
9 W( T R9 V& t6 I. p% Z3 X* W VariantInit(&pokeVariant[2]);
# c$ r: }0 r ?- `. L; A1 k pokeVariant[2].vt = VT_BSTR;
+ z2 ] U, c9 q( y4 `1 r pokeVariant[2].bstrVal = topicStr;
% ^' @& k# t: W3 u5 d* y( a3 D- ]
2 N, i2 g& R" Q2 ~$ U9 |8 B1 ~// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;+ l% ?* p6 W3 k R8 N! F
dp.cArgs = 3;! q* R+ S3 x% N! L7 G4 x+ j
dp.rgdispidNamedArgs = NULL;% k$ R3 c6 D$ E5 [2 U1 ~; Q
dp.cNamedArgs = 0;8 z3 T' t+ R) l' \
6 O% @4 j& h4 p% V
// Call IDispatch::Invoke()+ b8 D6 B4 g0 \5 d
1 K1 o( Q$ f& ?0 w hr = m_pDisp->Invoke(* x8 j& f+ _( h7 L, X9 s
pokeID,+ @! Q$ @# f4 a2 G' k6 m0 I
IID_NULL,4 o0 |" R2 @9 P$ m6 ~+ i: y
LOCALE_SYSTEM_DEFAULT,
& C0 @ P0 i5 t DISPATCH_METHOD,
1 }. |- s4 D% N1 G &dp,6 M) h/ c6 \; h& `: ]
NULL,
* L' Z' v) z; x6 Y* q &ei,
3 ^& B1 o" S# Z% n% f( y &uiErr);
5 o- b$ D% e' i7 U6 s3 z; x% M: d
! n" B! s. U7 z. t8 @9 }0 { SysFreeString(topicStr);! P* R( f; N7 \0 Z$ m
SysFreeString(itemStr);/ |1 J, D% f' ]! s3 Y
SysFreeString(valueStr);
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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???- H+ s& L& x. _8 K
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????1 i& \, R; ?( h3 }& n: G" S# b
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2.这是request的程序7 k3 X0 M H3 M- d" z( `
// Request a value from Extend
9 `+ G" l6 ? f1 G4 g- f# m3 u* J//
+ e! T) {1 y* [" O* a4 R3 l. X// Initialize the variant that will hold the BSTR. Set the variant's. M% b7 z" n, D2 H
// type flag to indicate the fact that this variant holds a BSTR. Place the- p9 G7 V8 o# k" |2 E
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' ?. D6 m& _7 S
+ B, a7 K, w( M h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( U$ T$ l& L/ ]6 |( d3 s9 u VariantInit(&requestVariant[0]);
W9 @/ U$ [. Z1 K$ b+ W requestVariant[0].vt = VT_BSTR;
. o8 \; d* C/ E7 C' G requestVariant[0].bstrVal = itemStr;
$ C8 H% Z. M9 O7 E3 H) ]) ]- n# H
% B6 K& y* i4 \% B topicStr = SysAllocString((WCHAR *) L"system");) u( [( y& @: d) j6 u2 H9 L$ _
VariantInit(&requestVariant[1]); 7 r [% L* _. G* O
requestVariant[1].vt = VT_BSTR;. D( b6 U: t% U4 s* J' q( D
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
2 E' N: h- ~% L" L9 }% O/ }
% Z3 l2 e' o2 j' n4 h7 R dp2.rgvarg = requestVariant;
$ p3 @( \- G: X s' ]! Z dp2.cArgs = 2;
4 I. V( W! r+ }$ ?4 ^' I" X dp2.rgdispidNamedArgs = NULL;
/ y/ K. ~5 E2 ^" i( i dp2.cNamedArgs = 0;4 C$ @: N* w; b0 t' V I o
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var.vt = VT_EMPTY;6 a \% I+ c0 x7 X) Z
/ t2 j4 M+ O+ U3 l: c- ?
// Call IDispatch::Invoke(). |& I" ?% d; b$ a6 H
4 D3 U+ Y6 |. j2 d* r% ]9 p# l hr = m_pDisp->Invoke( `9 Y4 U$ N5 ?
requestID,
B$ F4 q' \; V7 q* Y) v& Z7 g IID_NULL,
3 B4 ^; k, M# D" `5 L" L) k LOCALE_SYSTEM_DEFAULT,+ v5 Q0 j+ t7 `& F& S
DISPATCH_METHOD,3 ?6 |% ^9 s" G1 |' P4 ]; Y
&dp2,. [, A+ F: A' @; p2 q' [$ P6 T
&var,
; g$ F/ b/ z2 b: ~) T$ O, Z8 G &ei,
: B$ I* F9 U- a &uiErr);
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$ r9 Y- }& G. K8 I5 w+ I SysFreeString(topicStr);
+ O6 {/ a7 @0 I; L SysFreeString(itemStr);
: c9 V5 Z/ x) A1 A1 E8 T请问该程序是获得extend里面的哪个值?" J7 C6 B# M& ]
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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