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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:. |, A( L1 o0 s1 X2 T
Name = (WCHAR *) L"Poke"; [/ o6 j$ {! e1 ?) X1 P
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hr = m_pDisp->GetIDsOfNames (; ^2 f) Y* A+ l
IID_NULL, // reserved. ]* [7 i4 `* T2 c% e6 k+ k
&Name, // Array of names to get IDs for
2 [+ v4 J$ D, w) r: i" w 1, // # of names in the array
( B3 j W! L" n4 F' u LOCALE_SYSTEM_DEFAULT, // System locale2 [1 ^( Q. i1 E% w+ a" |
&pokeID); // Array of IDs to fill on output
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+ e% P9 A0 _# q. E% ` if (hr)
6 K6 Y" Y! a2 _: d) H, K {
7 z6 v8 j& G1 V8 {+ F% K MessageBox ("Get Poke Unsuccessful");/ z4 d2 g' L1 u- y' P
return;
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5 R, Z! r5 B: V- H4 K/**************************传递数据给extend**************************************/! Z1 _$ z% I1 z6 I* Z# J/ }6 P) _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 o5 K0 W( U/ ? U- s% f$ k7 V: |- K valueStr = SysAllocString((WCHAR *) L"1232");
, a. Z. e3 l' m/ R9 j/ D4 X VariantInit(&pokeVariant[0]);
* u* V' _0 O a3 v. l9 \ pokeVariant[0].vt = VT_BSTR;
# }. f8 u. s- I3 i& f& V, p5 G pokeVariant[0].bstrVal = valueStr;: k% M$ F; j& n3 b
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 b! O2 h: H0 {! J
VariantInit(&pokeVariant[1]); 5 i: Y0 |3 ~" K3 s" ?
pokeVariant[1].vt = VT_BSTR; a2 l' j$ W2 Q' g" U
pokeVariant[1].bstrVal = itemStr;- t5 e8 T+ f0 B- a
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topicStr = SysAllocString((WCHAR *) L"system");
) Z3 a* \% v, d* v" j VariantInit(&pokeVariant[2]);
C$ M- W* q4 s" J. | pokeVariant[2].vt = VT_BSTR;( {$ P. Q& J$ l! C; u+ h/ t% Y
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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9 V4 P; A0 i8 W( J% P0 g7 C. F2 v dp.rgvarg = pokeVariant;5 u% E. u2 \/ p6 f% ~
dp.cArgs = 3;/ D$ K+ z2 ?! ]- K: E. g
dp.rgdispidNamedArgs = NULL;8 Q) W, a8 a) `# o0 {2 h9 |
dp.cNamedArgs = 0;
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" q9 C; q1 }- g- Z" {7 F2 r// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; z: v2 W* I5 ~+ g' { pokeID,3 P% T% y5 q8 w$ O
IID_NULL,
* ?6 Y# m1 m2 W3 B5 d LOCALE_SYSTEM_DEFAULT,
! \2 S( k# G n' n% @5 D1 i DISPATCH_METHOD,2 I9 y1 t* m/ ~6 z& o2 j
&dp,
3 H1 n- U. o. f0 g NULL,% t% g& l3 [6 b
&ei,; e, P$ J: ]& f+ F/ t0 k5 T+ i. a
&uiErr);
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' ^3 s) Z' C, _1 a) e8 N SysFreeString(topicStr);* a1 e3 h! N% {1 @5 J' W
SysFreeString(itemStr);
2 u% Q& V( [$ V# U! X( e0 Y" c+ e SysFreeString(valueStr);& [8 K4 k& C) V' l% d
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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???
8 k+ v/ T& X" D4 H. y" B0 |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' H$ o+ O0 @; A
// Request a value from Extend
% |2 B6 L: e l4 K//
: n+ W' E _# A// Initialize the variant that will hold the BSTR. Set the variant's% j# a0 g& z8 ~9 \' R; a3 A/ V
// type flag to indicate the fact that this variant holds a BSTR. Place the
. B4 e- v( F$ }- t% ]- Z3 T// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" i2 u) c' e; @7 j7 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 n' e6 {* y" u, b
VariantInit(&requestVariant[0]);
( e% Z" g( ^# p requestVariant[0].vt = VT_BSTR;. m! T- Y7 p: B& a
requestVariant[0].bstrVal = itemStr;; k" ^; x! w% t# n2 i1 ]
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topicStr = SysAllocString((WCHAR *) L"system");# l9 c. H: z- B7 f. X
VariantInit(&requestVariant[1]);
" b3 J# |, Q. N, `) i8 X7 z& I requestVariant[1].vt = VT_BSTR;
1 v- l H& T9 Z2 V Y requestVariant[1].bstrVal = topicStr;
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* R' D% v( V) n% Q @// Set the DISPPARAMS structure that holds the variant.0 D7 o, o# c5 t
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dp2.rgvarg = requestVariant;
: d, u( @# B7 O1 t q dp2.cArgs = 2;/ k" n6 w% O5 R, I2 n, v
dp2.rgdispidNamedArgs = NULL;
, m1 K& B# o0 @9 ?. z dp2.cNamedArgs = 0;* O4 J3 t( a7 K, H5 p J0 J
& {8 B5 {; c) f" X6 j5 M/ _: c var.vt = VT_EMPTY;
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8 Z% ^' N0 E* I! D// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
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IID_NULL,
& {8 j* j% s9 n3 T+ Z; b LOCALE_SYSTEM_DEFAULT,0 I) M- _( F6 P$ T! h7 o' G. q
DISPATCH_METHOD," P/ @ m& x% }1 c0 @6 d
&dp2,
4 f7 @8 J( Y8 W' g( s) x6 i- d &var,
0 c0 q0 g7 S& U2 J7 E& v: `2 I &ei,1 ?* n5 |% j$ k+ w; p" n N+ r" M! ]
&uiErr); i/ C4 Q7 H% V9 C. l
) q4 }) A3 V) k" F4 C' u SysFreeString(topicStr);, P- P: J/ z$ S# Z2 e% M
SysFreeString(itemStr);
: H4 y4 c C! F e3 y请问该程序是获得extend里面的哪个值?
3 C) E" w0 t Q# Z, p$ j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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