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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:
, G9 |! `( }; \% jName = (WCHAR *) L"Poke";
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0 {1 A( G3 B( c4 q* i" d8 } hr = m_pDisp->GetIDsOfNames (6 [2 ]6 R2 n/ p8 Z+ \) c1 I* S
IID_NULL, // reserved/ T; A2 b/ e8 a- s6 L" Z0 ^
&Name, // Array of names to get IDs for
0 f, m( |' m5 B* }& F 1, // # of names in the array
7 t5 L0 y+ ~/ d- b4 w LOCALE_SYSTEM_DEFAULT, // System locale! ~1 A# P0 J( T0 o6 T4 S/ j! Q
&pokeID); // Array of IDs to fill on output+ A) i: E1 ]% o9 `) b4 F
q+ ~ w1 S; O% |6 |. T: W9 O if (hr) y1 l) U* W% I& J, y
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MessageBox ("Get Poke Unsuccessful");4 [% T0 K2 Z5 w( x; A. A
return;
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/**************************传递数据给extend**************************************/
9 `' I2 I5 a( p# } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( U2 n# T$ W* h7 i/ A7 m8 a valueStr = SysAllocString((WCHAR *) L"1232");
, m _! M5 j4 y+ j# A2 j VariantInit(&pokeVariant[0]); . b) f4 b/ \6 Y7 ]2 Q9 k9 E: B; u
pokeVariant[0].vt = VT_BSTR;0 G1 l( A4 c: H) D, P+ B& H
pokeVariant[0].bstrVal = valueStr;
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7 T! d' o" v, r4 y# S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( g# U: j" r1 H' A: N VariantInit(&pokeVariant[1]); $ m# A6 c3 s( o
pokeVariant[1].vt = VT_BSTR;% I' y! w7 E8 v* ~* R# ~4 J- |( f
pokeVariant[1].bstrVal = itemStr;6 U# S7 Z9 b4 v
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topicStr = SysAllocString((WCHAR *) L"system");
. S$ n5 q* V/ p VariantInit(&pokeVariant[2]);
3 Y+ C+ t5 l# A7 E: V, u pokeVariant[2].vt = VT_BSTR;8 T8 o' e( P" I1 T' S: I
pokeVariant[2].bstrVal = topicStr;
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& }7 L7 T% h: W1 p$ j- g// Set the DISPPARAMS structure that holds the variant.6 l$ N& T5 S$ f* R* m6 m. m/ Q3 }
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dp.rgvarg = pokeVariant;
\. Y; k* t) Y+ @ dp.cArgs = 3;
2 ^+ M1 R R* W( @7 ^7 d dp.rgdispidNamedArgs = NULL;
- j3 P* k9 T+ [! l dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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/ L) M1 e" u$ P/ a2 e hr = m_pDisp->Invoke(
/ L$ R' O/ {. l/ R& j0 q% H* D pokeID,+ h7 h( w+ Y6 a0 W. A
IID_NULL,& ^ _; e7 |, m/ t' f$ V
LOCALE_SYSTEM_DEFAULT,
7 ^7 O4 p0 c' ?/ v DISPATCH_METHOD,: T+ M4 @, @. O+ E, U% o2 ]2 x
&dp,9 o' J9 a c6 ~' @6 C" W
NULL,( A: V" T7 t% `3 t; v# P7 X
&ei,
" T9 ^+ J2 Q4 ^ j &uiErr);
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7 e! ?% U! i7 B1 U6 o( A SysFreeString(topicStr);
+ S- v; `8 W' |4 u2 t+ I& l: U9 k1 g SysFreeString(itemStr);
$ b2 p1 R- S/ e _) q% ^* H 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???
( d% K4 Y/ S; W) E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????+ s8 g7 l" b5 e+ d: y' y- c
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2.这是request的程序
7 {0 T4 S4 C+ h// Request a value from Extend
( _ N# A9 I9 ]- ?1 i, i( `//
8 H2 X! G3 Z3 ^. S// Initialize the variant that will hold the BSTR. Set the variant's
( t6 ~6 s% \) z6 \4 K% l; K// type flag to indicate the fact that this variant holds a BSTR. Place the
/ \- A' `* U+ J- R// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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9 v' P+ r( i) {) M: f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" b- d. J7 w! Z' Y VariantInit(&requestVariant[0]); ) e4 K* I- r2 L7 h" q
requestVariant[0].vt = VT_BSTR;( }3 m* K/ t: w1 y. b: b6 J
requestVariant[0].bstrVal = itemStr;
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- t! [9 |, O4 z* O, P topicStr = SysAllocString((WCHAR *) L"system");8 A2 U9 l* Q2 A4 ~5 C
VariantInit(&requestVariant[1]);
, k. l: |9 {7 \# X5 a \ requestVariant[1].vt = VT_BSTR;
6 w$ E1 h" U; {, t" V requestVariant[1].bstrVal = topicStr;7 Y; @% z4 D8 A; k% ^# u: k; k/ |; Y
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// Set the DISPPARAMS structure that holds the variant.
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* }: K# P% B% d dp2.rgvarg = requestVariant;
% ]9 ~1 l, R$ U: J6 i" _( y dp2.cArgs = 2;
* |( J7 P' x' o- Z V dp2.rgdispidNamedArgs = NULL;6 A1 c1 ?. \8 E4 B7 A
dp2.cNamedArgs = 0;
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, {- P3 d/ U5 D, l+ t* X var.vt = VT_EMPTY;
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9 r; y, F6 _7 [// Call IDispatch::Invoke()/ [5 J) F, e5 Y
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hr = m_pDisp->Invoke(
. \' @ w7 i5 r; _; T requestID,
) S1 v7 ]+ X" F: e7 P5 ~9 L IID_NULL,
% c: P% R9 c: H1 u* m3 L; K0 I# } LOCALE_SYSTEM_DEFAULT,
# B$ P% u' L9 y2 g+ ?0 H' x DISPATCH_METHOD,$ z% g4 W5 j0 T0 M+ S" L
&dp2,
. Q$ S" k7 V2 `% p" c5 x &var,
# V$ \' _% R& m+ G, l, A &ei,3 ^& t% u' m6 C3 F' Z1 g/ `' H, K
&uiErr);5 g$ E% f5 @8 B/ I4 ?& d; g
) s$ {' q& G: O+ r! ~ SysFreeString(topicStr);
# F1 t' J7 \+ G$ ?8 d Q SysFreeString(itemStr);
0 K/ k! S. R: Y* a) N0 V请问该程序是获得extend里面的哪个值?3 F0 I" ?1 Y1 `" R
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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