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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:, E. p8 d4 t4 e5 e2 {( |
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
8 t+ P) u3 `7 u3 o6 h, o% ] IID_NULL, // reserved
2 B" F7 K4 x" b5 S" N: I &Name, // Array of names to get IDs for6 S* |9 t: t2 |( E! |& o3 P$ s
1, // # of names in the array4 V3 ^) }- v$ e" x8 k
LOCALE_SYSTEM_DEFAULT, // System locale
9 v! j2 S: e7 x; F! P7 j &pokeID); // Array of IDs to fill on output
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if (hr)
2 I& E- l0 {2 {' R/ }/ `& H {
% l- X$ r! J2 @ MessageBox ("Get Poke Unsuccessful");
8 K" U0 b, x) B* U return;
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, ~2 o/ S# f# A, R$ {7 f
6 a( z6 p8 c& m( i& K/**************************传递数据给extend**************************************/, o2 A+ [4 x: O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ c4 k& ^* ~5 [$ g& \+ @) z
2 K6 J* G& _( {; ?, E7 y1 Y
valueStr = SysAllocString((WCHAR *) L"1232");
0 x* `8 S' `/ d: Q VariantInit(&pokeVariant[0]); # @: F5 Q5 G% D6 Y/ }# I# w5 `
pokeVariant[0].vt = VT_BSTR;
/ }- n; s0 I& E pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- K$ B, M0 M4 \. s+ P4 ^! D
VariantInit(&pokeVariant[1]);
o' F) ~7 X v2 T% p pokeVariant[1].vt = VT_BSTR;
/ a: X6 g! P, x4 P! z i0 ~ pokeVariant[1].bstrVal = itemStr;0 a' l. \2 A5 y H% Q
! G+ j- n) q, _( Z5 w7 _ topicStr = SysAllocString((WCHAR *) L"system");
- C" E( \4 }% T' b- [; N VariantInit(&pokeVariant[2]); ) w2 O4 w" C7 j4 b, E% j0 ?
pokeVariant[2].vt = VT_BSTR;. \- H; w2 Y g+ k, H* T. u
pokeVariant[2].bstrVal = topicStr;7 o) u: p& E& L
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 }+ ?: d0 E$ {) n" r, j dp.cArgs = 3;& e% T o/ x1 B1 a; f
dp.rgdispidNamedArgs = NULL;
4 i1 B3 B% }1 n" j" |* m' O dp.cNamedArgs = 0;
, U# Y. i# B$ W9 I" n k
" s- o) A; A. U e2 w8 r// Call IDispatch::Invoke()
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. v! U P' p* j! R' \4 g1 H* H# Q7 R hr = m_pDisp->Invoke(
3 E5 G/ E9 F6 x' O& S6 U8 ?2 B* p pokeID,1 I8 Y5 x% a! ^1 V7 J$ U* O
IID_NULL,! a+ c( U$ W9 Y5 T: l
LOCALE_SYSTEM_DEFAULT,/ M! _3 i; a! a0 p: Y; }
DISPATCH_METHOD,
" q3 d6 Y, Y# D8 U* A &dp,2 ] A, q6 v' t- d4 q8 n
NULL,
, C" J9 R, L+ |- g &ei,
6 b$ G# A' r3 R1 Z9 K &uiErr);
5 ?. ?% ?7 S H1 ^6 r
& Z# F' f; v9 q$ j# ? SysFreeString(topicStr);: p+ ^: ^ G, ~! h1 y. _1 A
SysFreeString(itemStr);3 T: k% v! b4 D1 w* O5 g3 _
SysFreeString(valueStr); A* I$ |0 j. o9 l+ l- x* P% X
% S/ P; p( ?4 @* Z. y% t e/ s; o/ W
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???
* Q4 J' J7 B0 `2 n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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, I# F) f" E; E Z% d! n& D2.这是request的程序
7 J( y9 y* y3 x- ~+ l F( q// Request a value from Extend4 e7 U7 n+ I; Z" x
//
0 r- M0 ?% Z8 J! o8 P1 D! b7 P6 U2 f( S// Initialize the variant that will hold the BSTR. Set the variant's
0 C* ?- p* `$ Y// type flag to indicate the fact that this variant holds a BSTR. Place the
: z- d" P2 W: t// BSTR into the variant structure.: e6 q7 g" @; L" z; k9 ?! A
. G8 {+ |8 c S9 a! o requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, |6 G3 L; Z' \% W, y/ l( s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 j8 V# l8 l5 f
VariantInit(&requestVariant[0]);
0 p' B$ Z- j/ @ M/ n. m& v2 n8 F requestVariant[0].vt = VT_BSTR;" p1 g" N, b" Y$ z$ P
requestVariant[0].bstrVal = itemStr;! z: y& L/ U0 n* O7 W4 l! i( y
* B p4 r4 M% F8 N topicStr = SysAllocString((WCHAR *) L"system");8 _' Y3 R3 e5 Q4 N0 _- V
VariantInit(&requestVariant[1]); 9 s$ e# \% v* X
requestVariant[1].vt = VT_BSTR;5 ^4 v4 Z" ]3 e
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: ]7 S) o$ o+ J9 \ |
$ _. x+ l7 y- R. g dp2.rgvarg = requestVariant;
: i$ X' M E& l3 w2 Q" a dp2.cArgs = 2;
% o$ A- ?4 y2 W& k7 @3 W ` dp2.rgdispidNamedArgs = NULL;0 r( c0 t! v: R) v( ~% o* b' G
dp2.cNamedArgs = 0;0 e" ?: V& }8 X8 b
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var.vt = VT_EMPTY;
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/ L$ P6 }0 s# N% {# L4 C/ Q$ @6 K// Call IDispatch::Invoke()3 R& Y; F7 ~7 i: |% k
0 D) g3 G" C& w1 C hr = m_pDisp->Invoke() _0 Z3 ~* p& [9 q4 a% v
requestID,3 I& W% t1 u! F; G1 J9 C
IID_NULL,
0 u1 A7 N: p. r LOCALE_SYSTEM_DEFAULT,
3 [) c0 e0 y/ I: A! S2 a DISPATCH_METHOD,
5 {4 ~' F2 t# {( U &dp2,1 X6 S8 |, ]6 \6 S. ]6 }
&var,
8 f, |! Q- K( Z& J; e6 z &ei,
9 \/ z7 C- `0 X: P, X4 C &uiErr);. _( W+ ~3 j. F: u' g, ^, A
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SysFreeString(topicStr);
1 j3 G% o$ v# y! m( u; H SysFreeString(itemStr);
3 k3 Z8 N! ` a: P) m4 B0 k请问该程序是获得extend里面的哪个值?
9 J/ w- V8 k) s" z: b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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