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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:
9 R% Y( S8 _3 \8 K, q% l' BName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
7 [ e! @7 w- ?6 }9 b IID_NULL, // reserved' k& z5 x7 \% A& g9 c, ~9 w! ^
&Name, // Array of names to get IDs for7 G/ j L& q5 t) F5 ]! l* |
1, // # of names in the array3 e! Q& n9 g Z2 \
LOCALE_SYSTEM_DEFAULT, // System locale3 _6 I% f! J' p; e7 L
&pokeID); // Array of IDs to fill on output
* }: e. b) s( a2 R1 y5 ?. {
1 o! N4 c7 H, r7 F) l" k# ^ if (hr)
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MessageBox ("Get Poke Unsuccessful");# L8 O8 |0 ?+ ^6 B" J1 S
return;+ p! a% x' U7 a) y- E, F: n$ H! k
}
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/**************************传递数据给extend**************************************/) X& T6 x, Z M2 ]( X' R0 B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ E( ]! k& O2 \1 K" @! x3 y- R
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valueStr = SysAllocString((WCHAR *) L"1232");3 T. s$ j! A% J; i2 ~& r
VariantInit(&pokeVariant[0]);
P% e8 ]& Z4 o" b' \0 e pokeVariant[0].vt = VT_BSTR;: _# {$ l& Z1 V9 r3 [: S7 z
pokeVariant[0].bstrVal = valueStr;
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% W% |6 E: X- ^& `7 e, y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 H3 w( {# c) h! X O VariantInit(&pokeVariant[1]);
! l! d$ o i |" s pokeVariant[1].vt = VT_BSTR;% r+ I+ z. C( E7 ?8 |, d$ `
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");3 i; \+ H4 _3 t) C& M$ s
VariantInit(&pokeVariant[2]);
- Z. B7 i+ v. T3 G6 ` j% A1 D; l pokeVariant[2].vt = VT_BSTR;+ f8 `( T8 y, z; K
pokeVariant[2].bstrVal = topicStr;( c, N; d9 E% a- W4 s- Z
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// Set the DISPPARAMS structure that holds the variant.8 E- Y* ^7 \+ ^1 n7 y3 T+ Z
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dp.rgvarg = pokeVariant;. y' Z& J- P! A- B+ o
dp.cArgs = 3;
; \* R, { Z$ I' W dp.rgdispidNamedArgs = NULL;
8 Y1 r# i7 e8 I dp.cNamedArgs = 0;
( ]- ^. i. v! j' E
; Y( o# Q+ M/ m// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(' r- z2 }4 k/ K* f
pokeID,
8 ^9 u0 t, B+ @) k: `8 s IID_NULL,+ y5 X! x- w& ^0 K1 R, P
LOCALE_SYSTEM_DEFAULT,
, g' N6 W( [+ s. N0 } DISPATCH_METHOD,
9 _3 i* ]4 | O &dp,
$ z/ t+ |& ^& o NULL,
& {( f9 {0 d: ?- C' h w &ei,
& p: z& [8 ~! K$ `* L0 z9 `( u5 s" \ &uiErr);! d! z( a5 T, H) {/ l
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SysFreeString(topicStr);2 O! h1 [/ h( e' m+ K- \5 J
SysFreeString(itemStr);) H5 A: N& a- \: T5 K
SysFreeString(valueStr);
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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???
, ?/ q* `, T0 x! }7 K4 z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????9 i& t) x* m, s0 ^9 i
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2.这是request的程序( w. e" }; m3 J) E) W
// Request a value from Extend
) c8 U3 ?3 t6 @' O8 z" y* R9 q//
+ j! ^4 A8 z9 o' u8 p; b y// Initialize the variant that will hold the BSTR. Set the variant's4 E/ [5 x3 D5 o# A E
// type flag to indicate the fact that this variant holds a BSTR. Place the7 P0 `7 h, C- V0 E$ o
// BSTR into the variant structure./ P, T( J) [/ \8 u7 _& i' h5 [
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ ?4 G) |6 C8 B7 l
2 x" f3 H8 ]# j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# C+ v6 {! |# r% S& X( c
VariantInit(&requestVariant[0]); ! I9 r! K, G3 V3 ~, l, D
requestVariant[0].vt = VT_BSTR;
5 y1 g$ A g9 z5 x; l requestVariant[0].bstrVal = itemStr;* }0 c j$ e1 v$ M4 _! ?
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topicStr = SysAllocString((WCHAR *) L"system");5 G1 p! ?$ s4 e
VariantInit(&requestVariant[1]); - y& M) G. V8 ]/ o
requestVariant[1].vt = VT_BSTR;# Z) G: h3 V+ _/ E% R0 k$ D
requestVariant[1].bstrVal = topicStr;& x- c$ u& W" N& H' C4 B% b2 x+ C8 [
9 V2 D9 e/ [2 U/ c* ^9 Y* x// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;) C. N3 E, C- E/ D' k6 U s7 a6 C
dp2.cArgs = 2;
! R& T0 ]: [% ~$ @0 ` H5 M/ M5 C dp2.rgdispidNamedArgs = NULL;5 b% H0 ^$ ^9 g8 \
dp2.cNamedArgs = 0;- X4 {) y, s \/ s6 A1 v6 t! e
1 U* w/ t! J' I; \' _ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()* i0 o9 v! s7 R3 ^
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hr = m_pDisp->Invoke(9 [, v7 }, c) M+ A5 ?, {4 X: V
requestID,
; }' o, P1 m' S. O; Q IID_NULL,
- h3 e$ t4 W- M4 L LOCALE_SYSTEM_DEFAULT,
4 \, v, _( Z& @; J0 Y DISPATCH_METHOD,: `: e: N- \) F
&dp2,
' q; v, s0 r- D1 W &var,8 s; g6 E! f' x4 p# E1 }
&ei,
, X* D) Q5 b3 \ &uiErr);5 q, D {" B* a# d n! y9 y
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SysFreeString(topicStr);
- m+ n0 B# M# b/ K( r SysFreeString(itemStr);
% |7 ~% a& P' ^2 w+ n0 I, b请问该程序是获得extend里面的哪个值?2 r' o/ S# t4 h; t; c: l
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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