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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:
$ W" ?8 o/ l( ^7 L4 ~# BName = (WCHAR *) L"Poke";
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' h" a* Q5 c* Y3 \" E! q5 [& h hr = m_pDisp->GetIDsOfNames (
5 i+ g) _8 ^$ y% e6 r IID_NULL, // reserved
6 o: D9 c. j# Z1 ?9 [ &Name, // Array of names to get IDs for
7 f: _; @2 l* j 1, // # of names in the array
j7 [8 u/ u* I1 m LOCALE_SYSTEM_DEFAULT, // System locale# G6 C; U: d3 G; J( z
&pokeID); // Array of IDs to fill on output
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if (hr)
% z% L- Z$ b- h: R8 N& l7 [! ? {
, P5 O8 ?2 w7 _7 g MessageBox ("Get Poke Unsuccessful");: ?4 m1 N3 M8 s1 o
return;
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+ v7 D3 _- C6 C* x& C/**************************传递数据给extend**************************************/( n9 ~# k& G4 P$ [5 l# Q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");% s4 R- A$ D: B, ?) e: a- o# Y
VariantInit(&pokeVariant[0]);
7 j- N$ F; K; k; I) ` pokeVariant[0].vt = VT_BSTR;% r' n* S7 b0 ]6 K
pokeVariant[0].bstrVal = valueStr;3 i0 X7 V1 Q5 \9 d$ M
0 R" ~ W$ F% q7 p, c$ n: T& C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( ~3 G- Q; \; V8 F( m
VariantInit(&pokeVariant[1]);
* }% Q2 H# p( [ pokeVariant[1].vt = VT_BSTR;1 C1 y" s" ~- i% |( u
pokeVariant[1].bstrVal = itemStr;/ `" g3 K% X) |! [7 V7 X
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topicStr = SysAllocString((WCHAR *) L"system");9 a4 v5 P( X( E
VariantInit(&pokeVariant[2]); , D- X" \# k K9 u. b$ C% P6 `8 g
pokeVariant[2].vt = VT_BSTR;: m7 x8 W& Z1 I0 e) a4 g
pokeVariant[2].bstrVal = topicStr;( j! j9 {' c5 ?, @! \! C; r
4 `) n4 q( O; _' g// Set the DISPPARAMS structure that holds the variant.0 E7 N1 W8 ^3 M
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dp.rgvarg = pokeVariant;0 J' _* J, L" t9 x
dp.cArgs = 3;" J0 a6 P3 L0 U
dp.rgdispidNamedArgs = NULL;3 G4 I! s R6 f- C N
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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u" c; F+ W5 v L. \5 } hr = m_pDisp->Invoke(
1 x7 M: b5 w. c pokeID,
7 j! y5 Y/ E4 G5 Z IID_NULL,$ u/ @1 U8 N) k, w- P$ g
LOCALE_SYSTEM_DEFAULT,
2 U v( Z/ Z: A/ E6 E4 k! B5 l" y DISPATCH_METHOD,
2 Q3 B/ i+ z" @ &dp,
: ~3 @5 r* `1 f- P* q' Y: \ NULL,
3 L0 r, G1 \- y! R3 o8 v &ei,
, \2 M: n/ M# n1 @ w: m &uiErr);
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SysFreeString(topicStr);1 `, C4 K3 I6 n5 [- L& h- O2 g
SysFreeString(itemStr);7 U: {% j: T( D% f8 X' c
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???
& F& M' B3 N% h. `( j; l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????( v% k& Z/ e" W6 Y; I1 X
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2.这是request的程序
9 o* c1 i) J7 Z4 _// Request a value from Extend) c; s/ j3 x, G3 x: Q% Y
//
6 V) G# ]. ^$ E: |/ E// Initialize the variant that will hold the BSTR. Set the variant's- L5 j- f5 N! d0 M4 G- w1 X* n
// type flag to indicate the fact that this variant holds a BSTR. Place the* G' e8 l' V& _3 H: T
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* j4 |$ P+ `9 M& q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 m! C+ t2 v2 X( ^
VariantInit(&requestVariant[0]); : O& s0 [! Q8 U% S6 n& j: e
requestVariant[0].vt = VT_BSTR;
# A$ `3 P1 `7 A; Q5 P requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: q3 z. |) v5 J& l, l VariantInit(&requestVariant[1]);
9 A" a7 S) m! A2 h) ~ requestVariant[1].vt = VT_BSTR;' s* q0 [& R; ~# w7 m8 g9 L
requestVariant[1].bstrVal = topicStr;+ g) ?+ ~3 L, _/ w$ J. M1 e2 p0 t# I9 l
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// Set the DISPPARAMS structure that holds the variant." s4 N# W2 G$ R3 e) i
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dp2.rgvarg = requestVariant;
1 W. u3 ~4 ]( J dp2.cArgs = 2;
+ I7 M) ?$ |; l dp2.rgdispidNamedArgs = NULL;: B; t' g7 I4 Y, Y
dp2.cNamedArgs = 0;
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, u A) l/ d; T; H; `* b0 z1 ^ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(2 j& p4 _' e6 e( | I
requestID,
$ m k& R. l7 Y% H IID_NULL,6 ?1 g/ p/ a4 _" h! t
LOCALE_SYSTEM_DEFAULT,; p. ?" X U" ?1 H
DISPATCH_METHOD,. F+ M" t. R( U
&dp2,
6 @) y* C/ G7 a. L- S) ~ &var,
) ~* j7 c2 x6 [, Q &ei,4 r3 C2 N# Z! _& i3 e5 {. v: d
&uiErr);5 T7 C+ o8 V4 y# L( t% m$ z
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SysFreeString(topicStr);0 R" b$ r2 Z" w+ ]+ ~
SysFreeString(itemStr);" q7 o* ~ s9 M5 F
请问该程序是获得extend里面的哪个值?
4 d# Y" q$ y( p) k4 Q! B9 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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