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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) P# x3 _: i' u2 R6 e5 R
Name = (WCHAR *) L"Poke";+ c+ G! J$ G8 \' p1 A2 F# }
3 D% ?3 m* x& h hr = m_pDisp->GetIDsOfNames (" i" I& @/ \, Q# {, V0 B& k* W
IID_NULL, // reserved0 s7 F( O/ c& ~1 f5 U% e# o
&Name, // Array of names to get IDs for
5 ^2 s$ x6 A# \0 E9 _/ h, e6 F 1, // # of names in the array
/ T1 @' s0 Q c8 d% Z% w1 P6 z% _ Y6 F LOCALE_SYSTEM_DEFAULT, // System locale
) P" q: v" t( p1 {9 J8 f/ y &pokeID); // Array of IDs to fill on output. ?( J4 P5 J( o% z
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if (hr)* }. {7 U- I X$ I) B
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MessageBox ("Get Poke Unsuccessful");
3 P: D+ ]+ W/ `! @+ J A1 N7 z return;
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/**************************传递数据给extend**************************************/
& A+ x* f1 b% {' k5 t pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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) j6 N, |: `' D valueStr = SysAllocString((WCHAR *) L"1232");- U m) Q: |: `0 Z/ y0 X
VariantInit(&pokeVariant[0]);
6 N* v* ?+ [$ a+ M' g pokeVariant[0].vt = VT_BSTR;
8 E0 h) X/ C# h* y pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; \7 m; N! e( W' s" S* } VariantInit(&pokeVariant[1]);
+ e& ]- r h* e; L pokeVariant[1].vt = VT_BSTR;
0 Z7 A5 A! i) G, c6 ]; P- R7 I/ ] pokeVariant[1].bstrVal = itemStr;
& D- U* d) C' V1 t0 E/ f' r# }; k# T2 }; T% g
topicStr = SysAllocString((WCHAR *) L"system");
) n2 h$ p8 X! V* I9 l VariantInit(&pokeVariant[2]);
6 \9 a! F+ l1 m+ q Y pokeVariant[2].vt = VT_BSTR;: W5 W; b4 O0 ?0 V5 k
pokeVariant[2].bstrVal = topicStr;( }( ^# X, E+ X
" X5 ]2 X- k7 o0 E; ?) l// Set the DISPPARAMS structure that holds the variant.. T+ F6 g0 J5 p1 g
* v& o6 c1 p3 Z' l& O8 G; x0 p# L dp.rgvarg = pokeVariant;
l1 D* ~7 B7 d2 M" N dp.cArgs = 3;
0 ~$ l: U. R& m# ~ dp.rgdispidNamedArgs = NULL;* ^% j- m: Z$ l/ C1 C) o! S6 C
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()! e' n8 n- d5 @) q3 M
7 F! U5 k" R5 c hr = m_pDisp->Invoke(
3 h1 U0 r. t1 Q! S. _ pokeID,
7 t- h0 W R H8 L( Z) Y% W! j IID_NULL," w: }- L4 }6 V6 ^
LOCALE_SYSTEM_DEFAULT,
7 ^# m% J& j3 l1 F7 V DISPATCH_METHOD,
. d) N& P0 n5 B2 U J &dp,! z+ P9 {4 u# \6 y
NULL,
( O, B K4 j/ S& L9 J% z+ { &ei,
- f/ R! X8 X' n# U2 q% |; ] &uiErr);6 W) R' P; ?9 p4 ]7 r, a. i' A
5 d- N2 D2 O7 E/ ]) ]6 ~ SysFreeString(topicStr);
6 t, A6 l O/ {4 ^ SysFreeString(itemStr);
' y1 p% X- v# @) ~* ? SysFreeString(valueStr);
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/ M- m, O2 _; R, d& a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???
- k. n, ^% I$ m6 P5 D! B/ a) P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????4 p$ K" f9 w( ?0 f4 H7 P; n
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2.这是request的程序2 |- [: E D0 q2 }; N
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
4 [ ~4 ^0 f1 ]// type flag to indicate the fact that this variant holds a BSTR. Place the
+ {3 t3 ?) }! I2 Q1 D// 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");
; o- t+ N. ^ m VariantInit(&requestVariant[0]); 4 P' A+ W1 K! ~( D! x2 Y$ c
requestVariant[0].vt = VT_BSTR;( h+ W& C2 G: i
requestVariant[0].bstrVal = itemStr;" U; } B! c) i' j! ?' N8 G
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topicStr = SysAllocString((WCHAR *) L"system");
( A. i6 N. m' P) f VariantInit(&requestVariant[1]);
% v. v/ j/ H" X& G! z9 t% X requestVariant[1].vt = VT_BSTR;. L: h5 L1 X' r6 s9 e, O( T5 O% {7 W
requestVariant[1].bstrVal = topicStr;
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8 B9 j5 U$ z! s3 }+ R, a. h// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
( m/ K* k3 Y: F% S( \- ]. n dp2.cArgs = 2;0 |/ [/ b0 |0 G4 b% c) R+ H6 y
dp2.rgdispidNamedArgs = NULL;2 R+ C( e: h/ z. ?5 I. d! D v
dp2.cNamedArgs = 0; N) |6 B/ u" \0 V; N- E7 V
3 |1 [7 V S) X8 ` var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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% _, |) T4 o- O. i" d; e4 K hr = m_pDisp->Invoke(
+ o6 d1 `, u3 V$ R requestID,
4 l% K; A: L* W3 J7 M) \ IID_NULL,
2 Z7 M+ m8 O" N9 Y( F LOCALE_SYSTEM_DEFAULT,5 A# D+ H/ v* ` e, u
DISPATCH_METHOD,/ j% a6 W( S H% c8 I1 Z
&dp2,
4 \( p8 X5 t; O9 { &var,( d$ o! Q. L+ q! G g* S
&ei,
" L& |' y* E8 C: g f: S1 D &uiErr);
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7 B/ o( O' D+ X' `; k+ u SysFreeString(topicStr);+ F M$ [% ?, ^; d$ W( G1 [% Q
SysFreeString(itemStr);
2 ^, N' l. C3 ?$ D1 K0 z6 j9 _请问该程序是获得extend里面的哪个值?* G8 v+ K4 q3 C
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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