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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:
+ K) D& i |% ]0 E2 ~, Z% i5 DName = (WCHAR *) L"Poke";
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4 a9 U) e/ f4 F# K hr = m_pDisp->GetIDsOfNames (
' p& O0 j3 N' H |3 b$ Z IID_NULL, // reserved3 Z# v+ o" S! G* O
&Name, // Array of names to get IDs for% I1 R( J& F }/ O5 e4 ]
1, // # of names in the array; E2 T8 Y! h* |" F. [/ V9 Z/ X: |
LOCALE_SYSTEM_DEFAULT, // System locale
7 }) X2 d4 `8 d, f: K8 R &pokeID); // Array of IDs to fill on output
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if (hr)
/ t6 v, _9 ]3 y ~ {
8 n$ X- D& P3 M) v MessageBox ("Get Poke Unsuccessful");
8 [: n. L+ n, z) C7 r0 W: p return;8 Q* Y+ f" P1 B0 _1 J5 j% \8 m
}
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9 l+ y7 `3 K6 L- Q3 E. _/**************************传递数据给extend**************************************/! L8 {. q" _' p1 n0 V/ A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- e7 N0 L: Y& a, s# _! u. \' f
3 @4 u3 b o5 _ valueStr = SysAllocString((WCHAR *) L"1232");; L7 I; L1 b' ~2 G8 F
VariantInit(&pokeVariant[0]);
! ~; e9 R1 F$ N pokeVariant[0].vt = VT_BSTR;
! B3 r" E/ @( S6 x3 H# B pokeVariant[0].bstrVal = valueStr;2 S' I- G l( _7 E- v
1 a0 Q' @* O) q0 d G; J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ j3 x& ], g5 R4 `; V5 Z VariantInit(&pokeVariant[1]);
. B$ P6 W& D( \! V w1 Z1 b: Z pokeVariant[1].vt = VT_BSTR;
4 f5 M8 c; B4 E pokeVariant[1].bstrVal = itemStr;
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; n5 S( X( k z topicStr = SysAllocString((WCHAR *) L"system");0 R0 D4 o$ P. p' m' i
VariantInit(&pokeVariant[2]); 1 R( x) G! G. _+ i
pokeVariant[2].vt = VT_BSTR;6 t7 a/ D8 I0 O# n- W2 a( {
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- V2 v) s6 q) Z# q/ K" V
K/ Y5 C7 L0 g+ j0 `" y. } dp.rgvarg = pokeVariant;$ e( f! d. D. P
dp.cArgs = 3;
3 t- N. S' Q5 b# j2 D( U8 q3 c dp.rgdispidNamedArgs = NULL;2 j: T# `& `" @$ I8 y
dp.cNamedArgs = 0;
2 T. f+ f* a* S) Y
# d( C: x* C) J2 r* P- m0 X// Call IDispatch::Invoke()* D, U% w5 o7 l# @3 [. |
" A* Q( s+ \ q+ x! E" c9 _. k9 f. w, t hr = m_pDisp->Invoke(' i- B1 m2 @6 ~' f9 A8 s: u1 a3 L
pokeID,
/ V. M+ C' r4 ~ @0 z, d& L/ o! u5 Z IID_NULL,3 s! \1 Y. i8 F# x3 L2 P
LOCALE_SYSTEM_DEFAULT,+ D3 F2 `2 _" n8 v6 I
DISPATCH_METHOD,
) V6 I1 D! y3 _ &dp, `2 k+ x; e' J& B e3 m j% e
NULL,1 C* g" i- p, D8 R& I' r0 B+ g8 j
&ei,# m( l% G; J p
&uiErr); @: [3 u. w* Z
# J& Z$ W5 D* F/ V8 ?) b SysFreeString(topicStr);& h6 M& q6 d) L
SysFreeString(itemStr);3 m4 F- p6 t" C6 X" t$ {* C5 P" l
SysFreeString(valueStr);
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7 R) H& w3 n6 l" K3 \3 Q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 {( y2 y8 m# x4 t5 {; N2 W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
' _6 M* S! o: h" ~9 I6 e% K7 u// Request a value from Extend8 U3 Y6 c }: ]- s0 D
//+ R- z0 u) h& A- z7 X7 r
// Initialize the variant that will hold the BSTR. Set the variant's
; b- y9 C- H: F6 B- y9 m; Q5 H// type flag to indicate the fact that this variant holds a BSTR. Place the2 r: v, D% L+ I7 W3 G
// BSTR into the variant structure.
+ V) Y* J* _! Q0 k$ A* K# r8 N+ [; q
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 t; {: {7 U& Q3 H. g6 @( H" G7 c; u VariantInit(&requestVariant[0]);
8 H# M. r" n9 U7 g% h8 p9 y: i requestVariant[0].vt = VT_BSTR;4 }" c" F0 h, X& Z/ ~/ T) U U
requestVariant[0].bstrVal = itemStr;+ W# G9 V9 f3 z9 k, [( G. _/ A
5 C$ n: s6 N$ c/ c6 g% U: l% m; K) P topicStr = SysAllocString((WCHAR *) L"system");- o7 Y, Y$ N7 h7 S z# c* O
VariantInit(&requestVariant[1]); ) u! _1 ~1 @& v E' V+ A
requestVariant[1].vt = VT_BSTR;1 r, d8 I. \, F6 L7 a# ]
requestVariant[1].bstrVal = topicStr;/ I7 J0 ]" [0 b5 p, S5 X
. M; G5 p( B( a# U0 m+ ]// Set the DISPPARAMS structure that holds the variant.# z$ S) k9 F8 `
' ?0 b7 r0 r+ ]7 X
dp2.rgvarg = requestVariant;+ i" I) A; ]. e1 @4 W. g
dp2.cArgs = 2;! V9 W& h3 W1 D4 k! M1 |5 H8 ?% L- B
dp2.rgdispidNamedArgs = NULL;
; ~7 h" y3 D; e9 e dp2.cNamedArgs = 0;
0 w. b! r' K7 e" @# O# A! L5 F% l( Y
9 Y' o2 J% }2 c) L: n5 ~$ ~ var.vt = VT_EMPTY;4 h) @0 c5 ~7 M; K9 A, H" Q
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// Call IDispatch::Invoke()
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4 }% W6 t' Q% \0 ^+ B hr = m_pDisp->Invoke(5 E+ ~# h) ]( _- ]+ I
requestID,
- v7 {5 u. K' B7 } IID_NULL,+ e# G/ j* k: k4 W* w* W6 r
LOCALE_SYSTEM_DEFAULT,
3 {% ~1 b( Z% v- X( Q DISPATCH_METHOD,& b1 p" k# Z' }) E$ R/ P2 P m
&dp2,1 l. }( p+ s& n8 t' d" b& `; r
&var,
. `. p6 v- G! t Y# L H- | &ei,
6 n! ^& A6 c- W- o, j" u+ Y, h &uiErr);
% S6 p. V2 D0 w. }7 E% c( X7 P K% ?. z
SysFreeString(topicStr);
6 D8 M, n6 |7 [ SysFreeString(itemStr);! p- g* e( b; _) _; s6 R
请问该程序是获得extend里面的哪个值?
- A+ H8 c" ?' e, f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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