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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:, b- w0 O8 `+ D$ M# q) I/ w) I
Name = (WCHAR *) L"Poke";
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, U: v1 h0 M9 d) S7 Z! I2 B( z/ \ hr = m_pDisp->GetIDsOfNames (1 K- {. T( Q. D# ?) i
IID_NULL, // reserved
8 ]/ o9 R* R$ C e$ }4 w2 M T &Name, // Array of names to get IDs for2 l0 {. L' b1 E2 Y) o
1, // # of names in the array; s0 E, ^1 d$ K2 ~& r: _
LOCALE_SYSTEM_DEFAULT, // System locale( W5 l% I1 H _" a1 T
&pokeID); // Array of IDs to fill on output2 d( v$ _" w' B# f
; o0 h& u0 f' ?% J4 V if (hr)
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MessageBox ("Get Poke Unsuccessful");
, M3 B! Y7 y, D: S3 P* W4 o return;
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/**************************传递数据给extend**************************************/
8 \# N( c) Y, S) p" X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 l5 z" t+ L, s5 |* I valueStr = SysAllocString((WCHAR *) L"1232");
; r b* x( j; |6 K/ v; k VariantInit(&pokeVariant[0]);
8 c" K, V6 s8 B8 R* C& G pokeVariant[0].vt = VT_BSTR;
2 X7 p% o1 T" n1 A; h$ E2 R8 A! } pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 m# z3 a' g% s" p& t; W& _3 R: k! @
VariantInit(&pokeVariant[1]);
, w+ M5 o: p$ }" _8 {% Y2 H pokeVariant[1].vt = VT_BSTR;
" i. y: p: y7 c! j1 R$ Q pokeVariant[1].bstrVal = itemStr; G4 I9 w9 n% D9 k# f. \
) _$ Y# l2 T/ _9 k6 V- W topicStr = SysAllocString((WCHAR *) L"system");( M* c! {# d+ ~# e
VariantInit(&pokeVariant[2]);
9 R* [6 L1 F* ?& Y0 R! w pokeVariant[2].vt = VT_BSTR;& k4 g1 q9 i) L' q
pokeVariant[2].bstrVal = topicStr;! f- p1 p! u' l8 l$ q
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// Set the DISPPARAMS structure that holds the variant.
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, p; J0 X+ t2 l3 E e, u9 t5 T- P5 m dp.rgvarg = pokeVariant;1 G) q; y, k+ u( w+ `+ r2 q
dp.cArgs = 3;( T, j3 r2 w. k$ X8 E, _: \1 G
dp.rgdispidNamedArgs = NULL;. s `& z, V; v/ n
dp.cNamedArgs = 0;$ Z& p7 a% g! Z6 p( G* }3 t
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& S( v' y7 {9 f+ e2 n* n9 u
pokeID,) E4 e. S2 D4 h7 F/ z/ f
IID_NULL,# u3 E8 h f6 j1 Y5 D
LOCALE_SYSTEM_DEFAULT,7 l. d* i/ r; I4 C$ ]1 H+ S8 I
DISPATCH_METHOD,
1 h J2 k. m' M' @ &dp,1 A6 P9 |' G: s
NULL,! O- u. a* t' {2 Q7 J( w. a
&ei,- g3 G2 M: S+ d5 Y0 H6 s& E0 f
&uiErr);
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SysFreeString(topicStr);
) s0 |, J' ^8 {: W SysFreeString(itemStr);" O$ n2 X- M' m8 Z
SysFreeString(valueStr);( ?* Q1 |5 s0 L$ @- ~( G' y& ^+ m
+ P" H6 \6 S" h& [8 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???
& D" ?' }2 a w% }6 f( r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????. t5 ~ k# c' l( N) s$ W
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2.这是request的程序
6 l) J% f/ T( U9 ^" W// Request a value from Extend$ V& s& `6 m1 r$ C( t( h+ w
//
% Y5 m- S! j, I2 Y# u. C// Initialize the variant that will hold the BSTR. Set the variant's H4 a3 b l m5 s; {/ i
// type flag to indicate the fact that this variant holds a BSTR. Place the/ `* r2 t& k- x" c& ]' g1 Y, F
// BSTR into the variant structure.
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. J( W$ K' p1 B j requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# n1 P9 M4 R* {6 z) {3 b; U* K& J+ y VariantInit(&requestVariant[0]); @6 I; u2 \8 z1 U9 l& U" I, |
requestVariant[0].vt = VT_BSTR;, x4 o0 _3 E6 m3 e3 @
requestVariant[0].bstrVal = itemStr;7 q. O. ^% }7 U( ], W
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topicStr = SysAllocString((WCHAR *) L"system");! P9 k5 O9 _& x* a) }
VariantInit(&requestVariant[1]); + I% O. w+ n% d6 W
requestVariant[1].vt = VT_BSTR;
$ J% G; V4 f0 ]1 s requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) I) |1 J% m: Z0 }0 l _7 ~
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dp2.rgvarg = requestVariant;
& S7 ]1 D, w# ?; q dp2.cArgs = 2;
! b, G% u0 T6 h8 R2 P dp2.rgdispidNamedArgs = NULL;2 Z2 B! z5 k% u
dp2.cNamedArgs = 0;. |" ?+ R# ^- e; J+ ~
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var.vt = VT_EMPTY;& o D8 E! c0 k9 k+ W' t
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// Call IDispatch::Invoke()0 d, _/ X& D* W- Q0 Q# `
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hr = m_pDisp->Invoke(5 s6 E0 A/ T2 ^ n I$ f
requestID,
2 n: i/ i$ h. C+ j0 K. T1 [% L IID_NULL,
* h6 s4 H" B, K: G LOCALE_SYSTEM_DEFAULT,
) _, j3 z; _# t2 D DISPATCH_METHOD,! z% u0 S& e$ W
&dp2,/ R0 ~: H$ |% _+ f% ?8 ~
&var,
! D" Y3 Y7 n6 v1 Y& Z &ei,6 c8 k: |1 F' Q8 E9 p% C2 d- _
&uiErr);
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SysFreeString(topicStr);
/ D+ d0 j% s/ f u1 R N6 ~$ o( t SysFreeString(itemStr);
& W7 l2 @. I+ K请问该程序是获得extend里面的哪个值?
# H* X1 H" m, F* n3 G5 k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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