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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:
( D$ c, D, O5 f* v! v& k( PName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
8 q! m P" A6 _. ~1 ?. a% V& T9 F+ E IID_NULL, // reserved
" l* J- p# ^' A3 j &Name, // Array of names to get IDs for
# Z+ [: a# @8 J1 F( { 1, // # of names in the array
! W5 u6 ]% w# X& \0 |% ]- s LOCALE_SYSTEM_DEFAULT, // System locale
% t! W, w$ T, i- t2 V$ _ &pokeID); // Array of IDs to fill on output
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if (hr), {2 [( L: H' b( o7 T4 i
{! u! c* P- B6 t" c5 ]5 K) _
MessageBox ("Get Poke Unsuccessful");6 C5 r2 H1 a4 O6 m" V6 _
return;7 A) m7 Z" V' {: a
}1 m/ b8 p( @3 S# _, r
7 n* h3 X" k3 E! Z) K/**************************传递数据给extend**************************************/2 Y# Q' C& f5 X+ e# |, I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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" L @5 y/ Q t5 D7 n5 ^- k valueStr = SysAllocString((WCHAR *) L"1232");
l0 J9 n1 O) R, w, ]* z VariantInit(&pokeVariant[0]); % o9 d5 l: A9 R4 O# b
pokeVariant[0].vt = VT_BSTR;) \- U% G2 r( a5 ~* l
pokeVariant[0].bstrVal = valueStr;/ f2 [: l# x' M
' U3 h6 ]% T6 N# A# ^# b. k( Q+ X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 S, y7 u; I2 x VariantInit(&pokeVariant[1]);
! S' p8 P7 _' B pokeVariant[1].vt = VT_BSTR;7 t! w7 X9 s" Z
pokeVariant[1].bstrVal = itemStr;+ H: @9 n5 B% L. Y$ F
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topicStr = SysAllocString((WCHAR *) L"system");
4 ^4 Y9 \6 [+ U VariantInit(&pokeVariant[2]);
9 i) k8 @1 e/ N pokeVariant[2].vt = VT_BSTR;3 S3 z4 u( f H/ A! v5 s
pokeVariant[2].bstrVal = topicStr;6 }2 H S8 W% _! P: A# v4 B
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 z- s1 v) x! k' _! d1 ? dp.cArgs = 3;. O$ H* e0 t0 [1 k. k0 l
dp.rgdispidNamedArgs = NULL;
9 O$ m& S8 r) v/ _+ T4 B2 M dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(8 I' d$ A! i: {7 l; B0 S$ s/ E
pokeID,
$ g5 ~5 {, L2 | @3 W IID_NULL,% h* z: B+ x2 V3 u8 R' M( ^
LOCALE_SYSTEM_DEFAULT,7 A9 ]5 I; H T- ~
DISPATCH_METHOD,
0 E' n N9 I) X4 n* M7 v# j/ ~ &dp,
9 A; ^4 E% Q& J NULL,
U5 I# F& s e &ei,
C. w; z6 J+ l W4 e &uiErr);& h3 x# o+ l" k0 X
. F Q! Z6 a" t: ~9 _" F9 }9 F9 h SysFreeString(topicStr);
9 c$ V# D3 J: s$ k t SysFreeString(itemStr);1 p5 H0 [6 W+ O. u4 Z
SysFreeString(valueStr);
9 Z5 v( C$ Q% n) \
) J2 w! z% e V( }9 P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???) r% k% V4 R, L0 g ]
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????7 W# K( r; N$ @" K \1 V% i
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1 `, z* n/ J! C6 m' U% s2.这是request的程序! U: k$ `8 _; ~( [6 C( ]2 t
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's1 i% m, w) v) W0 l0 T
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 j3 O+ N. g! t* m+ d: N// BSTR into the variant structure.
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* g7 Q$ ]. u6 M* ]* C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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' {; M3 H* ]* U) l8 s7 g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ l7 d, N" K2 P& P9 R
VariantInit(&requestVariant[0]);
1 ]! v( S( h0 `6 Q( i4 R( A0 a requestVariant[0].vt = VT_BSTR;3 X" u, g0 d( [' |
requestVariant[0].bstrVal = itemStr;
$ ^( w" {* b* O% {
' I. M, `; j0 H9 U0 n/ j$ S7 Q topicStr = SysAllocString((WCHAR *) L"system");* }2 Q n, [- W4 q
VariantInit(&requestVariant[1]); $ G$ D) O _7 V0 I( x
requestVariant[1].vt = VT_BSTR;+ ~$ `- \0 h7 C) N0 S6 g1 N
requestVariant[1].bstrVal = topicStr;
5 s [- \; H/ g' w% ^1 d
! U* x6 n5 R2 i* u// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;+ V" W0 |: C0 q9 l* C* \
dp2.cArgs = 2;7 T$ P$ n! ^: p( \3 T; L, v
dp2.rgdispidNamedArgs = NULL;) U" c3 ~+ P3 ? H0 Z: s
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;& h0 X1 u X9 G
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke( v; r: q( b9 c5 f) P
requestID,
+ y: R6 g% l1 ~- _6 f. D& l0 b IID_NULL,( O$ z+ u. x" f+ r5 ?
LOCALE_SYSTEM_DEFAULT,
0 k# @# Y$ u8 \* I, M- O# L0 j DISPATCH_METHOD,) R/ [% Y/ s9 U+ {6 P
&dp2,
4 Y- }4 {0 \2 r, e &var,
) x& j6 _5 V1 f2 D &ei,
6 G4 h$ l1 o1 E. g' } &uiErr);
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SysFreeString(topicStr);
: b$ f0 x4 d' B, U+ y SysFreeString(itemStr);
3 ] u5 h5 h5 M. `请问该程序是获得extend里面的哪个值?
9 n# P7 R( d0 ~: b* ]7 P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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