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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:* G2 Y" o" W5 `
Name = (WCHAR *) L"Poke";
% y* E7 v. |/ Z H) K
! K* W+ `2 K$ x2 S' p+ r hr = m_pDisp->GetIDsOfNames (
) W% ?' p6 ?( @0 Y" n IID_NULL, // reserved
$ s( H4 @$ ]& N5 ]7 l- ? &Name, // Array of names to get IDs for
v6 n# `3 ~7 z* U# L 1, // # of names in the array
) k( b8 [3 [, B; Y0 l1 q' ]/ r LOCALE_SYSTEM_DEFAULT, // System locale
/ O6 s" E2 E% r1 u: I% |- V/ _" m3 u &pokeID); // Array of IDs to fill on output
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% m# A7 c0 {. ?/ n. k if (hr)0 R1 j* p" F; C, M& {+ {; z$ K5 R! ^' N
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MessageBox ("Get Poke Unsuccessful");- O; k9 l; X6 ?' {3 {
return; x$ A& _: G1 l! b; B( n
}
/ k' ^2 d' n% V! ~ X {
. m+ \ _; n2 O7 I% U. x( F/**************************传递数据给extend**************************************/: k) V5 b* {$ u% a+ j0 C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 J) [+ \9 b+ V; @ ^
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valueStr = SysAllocString((WCHAR *) L"1232");
2 L$ B! a6 l3 V7 f. N# ~ VariantInit(&pokeVariant[0]);
: A3 h+ ~6 @7 J. J pokeVariant[0].vt = VT_BSTR;
$ [/ g1 V+ h6 T, I: Z pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& ?5 p; b: G6 X) U+ N, f VariantInit(&pokeVariant[1]);
M% D) t, ?+ Q+ Z* o" K2 ^ pokeVariant[1].vt = VT_BSTR;$ z9 P" T" O ]- R! ?/ w5 f
pokeVariant[1].bstrVal = itemStr;
% L. [6 o6 v3 k; ~
6 g2 Z& |. w- l2 _5 F4 J6 j2 K topicStr = SysAllocString((WCHAR *) L"system");
( }) W: r5 B0 @, ]# X VariantInit(&pokeVariant[2]); $ i- I- @4 n6 m+ p$ E4 i% p" g
pokeVariant[2].vt = VT_BSTR;
4 S0 a: q+ B0 ?7 v pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ {9 v% l5 j" { s. h
- T7 Y6 G3 L9 I7 d dp.rgvarg = pokeVariant; Y, M2 `* E: f, _# t
dp.cArgs = 3;
# ?0 g& F& u( G) p1 o dp.rgdispidNamedArgs = NULL;
0 A4 ^, n. P. r& y! r$ R dp.cNamedArgs = 0;2 x" u6 l# u3 M+ ], j
! A( a8 }% a! D( a) H
// Call IDispatch::Invoke()1 G5 _! P3 |: ~/ t4 ]3 m0 O& |
# h) ]: M: B' g5 S2 l5 b# ] hr = m_pDisp->Invoke(5 T. I+ Z( Z; a5 \% n4 F
pokeID,
& P2 S7 D0 ~; `7 q IID_NULL,& _* m" ?# R0 \4 M g! f; z2 i
LOCALE_SYSTEM_DEFAULT,
( L' ?6 {! e! v' i4 ^; ^ DISPATCH_METHOD, B3 S! t+ Z5 W( P5 H4 ?
&dp,
' f1 j' f! K! u5 F4 M! q6 O3 t NULL,
( L& e+ k/ J" Q &ei,' y7 c3 I4 y7 [$ g
&uiErr);+ U2 D L: O2 ~
, k$ `; p; y/ t7 v SysFreeString(topicStr);) f1 r0 {: v, W' i5 d% K
SysFreeString(itemStr);
# V; ]' R4 W5 t7 J+ \ SysFreeString(valueStr);
! [3 m8 |+ K9 }8 I& y! F% y0 P
1 A* g% [3 P5 @/ m* K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???
+ W7 r9 c5 J; c" O) l, I9 W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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2.这是request的程序
0 ]: C8 B: ?0 `2 ^// Request a value from Extend5 f: J8 k! D' B$ i9 E2 X+ p% n
//
& a( H' S- C( p4 P; ]! y// Initialize the variant that will hold the BSTR. Set the variant's
- x, k; y5 c' s" M/ Y0 {- @6 t// type flag to indicate the fact that this variant holds a BSTR. Place the9 U" L; N g1 K/ A
// BSTR into the variant structure.) y4 M# q' R5 v' J( P
! } _ ~( L$ h& m7 N; u- S requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 x, R* n* F+ {& v* t8 L6 _3 _, \- l6 _ VariantInit(&requestVariant[0]); & Q* k) ]/ u& b2 \( y8 \
requestVariant[0].vt = VT_BSTR;
, ]- K8 S6 {2 d' B% | requestVariant[0].bstrVal = itemStr;% r+ Q7 B4 A) x5 h9 r9 K
- R2 t" E" V% e, O+ m" n$ ` topicStr = SysAllocString((WCHAR *) L"system");- X& O5 `/ {( ^0 B! ~( l9 U7 @
VariantInit(&requestVariant[1]); " d( r( Z, [# K7 U; r4 Q
requestVariant[1].vt = VT_BSTR;* Y) _* U5 \- O+ e3 }( z- W
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 u8 s8 H& |; n2 x
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dp2.rgvarg = requestVariant;, K; j: W3 ?7 c# |
dp2.cArgs = 2;4 J7 h2 {; C) f" {8 `
dp2.rgdispidNamedArgs = NULL;
) j3 j2 L9 R8 [9 ?+ ^ dp2.cNamedArgs = 0;: y" X: [& g7 A5 T$ ?# \/ c
- L" @( {6 e6 l6 o var.vt = VT_EMPTY;: V2 }: b8 i4 C) U+ c
; ~, C- X6 f4 l+ g// Call IDispatch::Invoke(). o# {4 {$ ]" [" {
6 g& Z; R" G* W- X1 P hr = m_pDisp->Invoke(/ X" |/ M. G q- Y$ e, B$ r/ b
requestID,
# P/ X! p5 i5 A! F W IID_NULL,2 g) [/ e- h( k" B8 g
LOCALE_SYSTEM_DEFAULT,* d H% j/ E/ q( n. H3 b
DISPATCH_METHOD,3 [- J. a: T4 \$ x" \6 R
&dp2,5 Z5 A: M$ r8 p. _% b' Y+ l8 C
&var,5 @* i& |; t" t2 Z1 _
&ei, `$ b+ j; e5 m1 }/ V( Y' D
&uiErr);! A# q: E0 s" s0 g
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SysFreeString(topicStr);9 k9 H# j# f& w# O
SysFreeString(itemStr);
, ^7 l* M- e% P! D6 _ k请问该程序是获得extend里面的哪个值?. m( q2 F- f' `# b9 q+ ^
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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