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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:& v, ^* @6 I" k' F* p
Name = (WCHAR *) L"Poke";# y& g( y! g" l0 F
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hr = m_pDisp->GetIDsOfNames (( Y5 z4 d5 @2 x+ `! ^6 m% T
IID_NULL, // reserved$ b/ P1 ~" U: z3 U: n h
&Name, // Array of names to get IDs for9 O$ Z' l- K- b+ C6 U" O* w
1, // # of names in the array( K7 w" U H6 g- }' F) ]
LOCALE_SYSTEM_DEFAULT, // System locale
) H7 }6 P+ u2 t, k- o &pokeID); // Array of IDs to fill on output
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+ X; R+ ]" H- a& O2 }% P. b$ d% O if (hr)
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: {4 V! e' q* N3 k6 k2 e' ? MessageBox ("Get Poke Unsuccessful");
2 s/ m, a5 s5 G5 c; B return;
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7 h5 r1 L( U, D1 [# l& M2 W/**************************传递数据给extend**************************************// d8 z0 u( V8 o; p! ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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3 Y! @$ B5 C4 [$ V valueStr = SysAllocString((WCHAR *) L"1232");5 [9 h. \; N0 A* o3 a# Z* V+ s" l% ?
VariantInit(&pokeVariant[0]); ; g1 ]& [ J8 N$ R; N
pokeVariant[0].vt = VT_BSTR;0 s1 {1 a4 _8 S
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ f8 Q. J: J+ l. ]( R! U) ~ VariantInit(&pokeVariant[1]); 1 \1 J( Y5 h) y
pokeVariant[1].vt = VT_BSTR;
$ w& V, k, n6 t8 {4 k& C$ M pokeVariant[1].bstrVal = itemStr;: N1 V& E E. P: H3 a
* B/ t- \# t, Q topicStr = SysAllocString((WCHAR *) L"system");
3 P# r* _' X$ ], L VariantInit(&pokeVariant[2]);
6 \; t( i% X' f% T. X( s* p pokeVariant[2].vt = VT_BSTR;3 Z" |7 W) ]) a
pokeVariant[2].bstrVal = topicStr;: z: _' {- V7 k J2 g5 [
( R* H( y# C7 U// Set the DISPPARAMS structure that holds the variant.6 K9 `& u1 B& D& j- E0 p
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dp.rgvarg = pokeVariant;/ B9 P& X7 A* x- ^ v
dp.cArgs = 3;
' Z7 L. s4 M: s+ H dp.rgdispidNamedArgs = NULL;
* W; G# Y8 I& v/ P( J dp.cNamedArgs = 0;3 k- Z' U3 K; D& _5 e2 g4 m- M; I( q
* ~) x* S# u% R# B( [/ q9 r/ q; m// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
# M1 T4 _# K5 Z3 X; Q. e% K) B pokeID,. v: T6 E5 n+ @) {$ f
IID_NULL,
& {! j0 O9 {* \, D LOCALE_SYSTEM_DEFAULT,9 U$ h1 I" K2 Y4 r' }7 D4 L
DISPATCH_METHOD,! d0 u: p4 O5 p/ ~' l
&dp,
' Q8 }7 D& ~* q+ e" F# I3 j NULL,0 v# B8 f. g* K$ l' H( Q4 s, ~
&ei,
: F3 Z/ D E! W2 z0 @% W& \ &uiErr);( V' ]* ~/ b0 M! J, F+ q- @6 J
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SysFreeString(topicStr);
' ?1 P* f8 {. q# R. W. d8 w# e SysFreeString(itemStr);
, I# Y0 g1 }0 ~( {, E SysFreeString(valueStr);. M- u4 H* Z6 e; y q" Z
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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???: i; s I* ?7 W8 F( |4 b
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
) V/ m: n6 z4 F# K5 c8 u( }// Request a value from Extend
0 M8 d; a* z! T( h Z) T) T//
E5 {# X, P* B" E9 z// Initialize the variant that will hold the BSTR. Set the variant's
+ c* O4 f. l# ~' C" D$ c: [// type flag to indicate the fact that this variant holds a BSTR. Place the4 c6 ?0 z+ g* p5 U4 _
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 L9 ~! y* L( s9 _% P3 k2 @
VariantInit(&requestVariant[0]);
* }' x% w$ C0 }' r+ E' ^4 N6 Y. p" u requestVariant[0].vt = VT_BSTR;/ H7 K- K8 g, ?% x2 `! K K% C
requestVariant[0].bstrVal = itemStr;
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: p* G K0 N( B$ G- ?5 `$ h topicStr = SysAllocString((WCHAR *) L"system");
& D- o$ z) o4 Y' P4 T VariantInit(&requestVariant[1]); | N7 K9 Y) F! O3 q
requestVariant[1].vt = VT_BSTR;
6 I+ j, B) ~( s8 r5 P# m9 I% A* d% B2 h requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;, ~* S0 X( G0 n' n
dp2.cArgs = 2;6 _3 s( B: p" h! d8 u' z' ^4 n
dp2.rgdispidNamedArgs = NULL;
- z! V2 O! @( J( l' [ dp2.cNamedArgs = 0;3 X: T+ M/ R5 N9 X) G9 l3 s9 V
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var.vt = VT_EMPTY;3 F4 X) P' d3 v" S# Q3 O
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 \2 _+ x4 l" q& R, U) p: F2 e% P
requestID,
2 J( e, o+ j, i IID_NULL, v* I6 R% Q5 [ V
LOCALE_SYSTEM_DEFAULT,+ ]9 x+ U G6 E) A( z+ @7 e
DISPATCH_METHOD,
' A* P" E1 u% V; v* y5 f9 O* r &dp2,
' v0 S* E! u7 P7 \ &var,) v% w5 }7 l% w8 q
&ei,
$ y# K( C( p' [$ F1 F1 H4 ^6 o &uiErr);
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SysFreeString(topicStr);
( d# H" d2 [2 X N: h SysFreeString(itemStr);
9 e- g0 m x* o# Q# ]( B请问该程序是获得extend里面的哪个值?
7 k( R7 `( v2 w" Z! q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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