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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:
, s2 ~6 @5 p4 S x" _Name = (WCHAR *) L"Poke";% T/ L, r; { S2 c* D
7 w4 Y% _+ s- S& M$ k hr = m_pDisp->GetIDsOfNames (- i2 i5 C+ V8 f8 G) r$ Q/ }/ f* A
IID_NULL, // reserved! h6 {1 S7 p) p* _
&Name, // Array of names to get IDs for) F7 `: \" B; g* j3 L( P' y' t
1, // # of names in the array
1 Z( E: J; O" Y% v5 ?1 l( X LOCALE_SYSTEM_DEFAULT, // System locale
: I. t% m- s5 N6 E8 W- J% a &pokeID); // Array of IDs to fill on output
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, H4 ~1 R8 L7 A if (hr)
`6 e: P/ o0 R4 w {
, Q! @! D" d; b5 N5 g1 i+ H MessageBox ("Get Poke Unsuccessful");
; a% V2 c5 @( a% b/ w return;
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* u- b. R; q( f, T' L% U/**************************传递数据给extend**************************************/: D* n$ K S: i8 D9 }
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 P0 |% } O5 N
$ w% V$ m2 J( a& R, l6 ~ valueStr = SysAllocString((WCHAR *) L"1232");' A o# d$ _& [8 p* L9 K
VariantInit(&pokeVariant[0]); $ N! G# R' V% r% S1 C
pokeVariant[0].vt = VT_BSTR;
! R& z+ f( s" X" |0 u pokeVariant[0].bstrVal = valueStr;
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- m* c5 H/ A6 |- v' V$ X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ?& @( V! b; S) J% F b
VariantInit(&pokeVariant[1]);
, ?( @- l4 x+ Q- I1 ] pokeVariant[1].vt = VT_BSTR;# F. ~6 a t% [7 u7 t' w4 @" F
pokeVariant[1].bstrVal = itemStr;6 c0 k/ @$ G% C+ n3 t! ?/ N! ]6 B Z
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topicStr = SysAllocString((WCHAR *) L"system");. F- J/ S2 x. G* q8 ^8 \- ^
VariantInit(&pokeVariant[2]);
! d: p+ t, z% F! I pokeVariant[2].vt = VT_BSTR;0 ?& c/ t1 f2 Y+ }- |7 g
pokeVariant[2].bstrVal = topicStr;! t- u/ _" c- \
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// Set the DISPPARAMS structure that holds the variant.
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! y" f a6 U8 m8 K- s, v dp.rgvarg = pokeVariant;
% n3 ^, @& X% \ dp.cArgs = 3;
; f1 f1 o! u. X6 Q dp.rgdispidNamedArgs = NULL;- m5 R; m1 n5 i( c1 }; `
dp.cNamedArgs = 0; m1 d' n" Y5 t) @7 q9 F X
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
6 O/ N7 D7 B' J8 \8 o6 ?$ u0 N pokeID,) m, a$ }4 ?" K
IID_NULL,
9 a' T3 l( b- z- u% Q LOCALE_SYSTEM_DEFAULT,
6 p1 T% e% m" d! |9 l# A9 d DISPATCH_METHOD,- x# ~7 j# F& |0 S8 q. x! Q
&dp,
' @: ^ [7 {1 O' P& K* r7 g NULL,
3 o, a6 u7 P" V1 _7 s &ei,
E2 ]& v' @% m &uiErr);0 y q k6 U2 D9 u8 ` p
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SysFreeString(topicStr);, u" ^5 r, r# a* q9 o% L, a# N
SysFreeString(itemStr);8 t4 b/ t" ~( J- Z. M& |( r
SysFreeString(valueStr);, h. v% K: u: M& H* w9 Y- \
1 s: G9 T5 Y2 t" L. x' X3 t/ S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???
8 k$ R/ S5 j" `5 s; ~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
1 T) Q* v; C7 X. k9 s: s& u4 k1 g3 N// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's/ H. q1 P& v, T2 y6 o2 B9 g
// type flag to indicate the fact that this variant holds a BSTR. Place the
% ?& s5 v% ~9 m4 ?( K! E8 ]- z// BSTR into the variant structure.. G+ I' v8 @# Z @+ d
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) F/ V- l2 M* Y# @! H VariantInit(&requestVariant[0]);
. C m0 q" ]0 M: O: f+ u9 t requestVariant[0].vt = VT_BSTR;4 ~ F/ j3 k$ x# h
requestVariant[0].bstrVal = itemStr;8 v" l6 ~7 e6 ?) ^' ] m$ }' X* F
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topicStr = SysAllocString((WCHAR *) L"system");
, i7 }& q; B* w! V VariantInit(&requestVariant[1]);
* ^4 Q( `9 D( [4 _! O' z% o requestVariant[1].vt = VT_BSTR;0 }3 E8 V/ ?; |. X8 i+ c/ x8 I
requestVariant[1].bstrVal = topicStr;, Q( g5 [1 J0 V( {; ?
4 N( N# k) u3 Q% n7 H0 u// Set the DISPPARAMS structure that holds the variant.% F. z0 o O1 L5 y0 P
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dp2.rgvarg = requestVariant;2 y! n4 E* \# M# d+ T
dp2.cArgs = 2;
) y9 r2 r9 ~& o, N/ H& i# J e6 W2 S dp2.rgdispidNamedArgs = NULL;3 w" M5 R- J3 y9 {" t6 |. v
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;% V; u0 h6 d- a V$ Q$ U8 g2 B* X
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// Call IDispatch::Invoke()# j+ V( a7 H" ?5 F
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hr = m_pDisp->Invoke(
( {" V8 U) R! h3 r7 k, Y1 d requestID,. i' b" {) u4 l( l
IID_NULL,! B: _2 c, o. }# U
LOCALE_SYSTEM_DEFAULT,- L* ?( b1 e3 Z' B, j2 l) D" y
DISPATCH_METHOD,
4 l1 J4 |; @6 ^( N &dp2,$ f4 m0 N$ T5 F+ s9 }
&var,
" @2 r$ j/ X+ {* [* n/ q( y &ei,
' \8 Z% _+ R3 ^- E+ j9 y0 R0 K- D+ k &uiErr);7 c @2 l: x) q' N
) o4 v2 F4 W* A" y9 ?; j4 e5 ?* x SysFreeString(topicStr);& c8 ]4 B, [: R" C4 x
SysFreeString(itemStr);
' [5 a: D: e+ }" T; C请问该程序是获得extend里面的哪个值?
6 l% G0 K# o5 D: ^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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