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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:& u: ~( c) r/ z P* Q/ S4 B( e7 \
Name = (WCHAR *) L"Poke";9 F/ x8 B6 m7 T
! I& v1 I1 f9 g5 w# x* C
hr = m_pDisp->GetIDsOfNames (
+ a. R+ u; E% V+ N' ?( d IID_NULL, // reserved! e1 W. i" X+ f
&Name, // Array of names to get IDs for
; Y. I9 H b1 h4 { 1, // # of names in the array
6 |4 X. W% q8 U1 P& O9 c LOCALE_SYSTEM_DEFAULT, // System locale1 s. a+ ?# l& H. `$ s% V
&pokeID); // Array of IDs to fill on output, D( ]' ~& n/ E& n* v5 u! w
+ P7 a7 ]1 Q8 g- u9 |( U! p; U4 T
if (hr)
2 M6 e- y2 U6 v {9 t* w ]4 J$ u+ f
MessageBox ("Get Poke Unsuccessful");+ Z7 O/ b: S+ I6 l u1 ?
return;" [( \7 r8 S& m
}
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/**************************传递数据给extend**************************************/. D( m3 d( A8 h$ ^7 p% A6 X! X) r
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) W/ F" k' \9 [. Z# F5 j
3 }+ A7 C2 b2 \, {" H valueStr = SysAllocString((WCHAR *) L"1232");
! J( |; K% e$ Z VariantInit(&pokeVariant[0]); / `& U% R8 |. o1 }' o# N
pokeVariant[0].vt = VT_BSTR;
# _/ m) K0 e0 Q2 i pokeVariant[0].bstrVal = valueStr;8 }- U7 c9 R! W) S
% ]9 r& p! O6 O( @% Z7 e1 {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 K. M6 P+ @6 v, Y! L VariantInit(&pokeVariant[1]);
C# A; ]% o0 V9 Y) @6 C pokeVariant[1].vt = VT_BSTR;- {& N S" I' y' Z. |9 u0 \# E/ I
pokeVariant[1].bstrVal = itemStr;
% O1 [9 s: U! b ~
- O6 N7 F7 R7 J topicStr = SysAllocString((WCHAR *) L"system");
3 \5 ?6 C+ `5 g3 A/ G7 K VariantInit(&pokeVariant[2]);
7 e* g0 I" h8 z& a5 p* ^ pokeVariant[2].vt = VT_BSTR;
' Q3 H' q$ Z2 @. l( f O3 J( G pokeVariant[2].bstrVal = topicStr;
; t5 {& N$ j! \- n: q9 ]' R* y
- j4 ^7 g [- g% c, ~" @// Set the DISPPARAMS structure that holds the variant.
& K: k! k& z/ c& x; F- ]) v0 o! {& P& i7 U) s+ k0 s/ b
dp.rgvarg = pokeVariant;& {; o0 }! O3 C2 Q
dp.cArgs = 3;& Q$ o% v' t) ^! \5 i- ~" [6 @
dp.rgdispidNamedArgs = NULL;
# `' V" a& g; y5 N! f' m9 T0 ^ dp.cNamedArgs = 0;1 ?6 H" T+ y: @0 T4 W) _1 h( M- p
, [6 e/ G1 B* I1 V% D
// Call IDispatch::Invoke(); ]$ I1 L/ B- [( P
% M" W& J! x- E0 X- Q- a
hr = m_pDisp->Invoke(. {% c; B7 X3 T+ {
pokeID,) F9 U1 t. E9 Q, v9 E2 F' u
IID_NULL,
5 N J: X( ]# j% G. w( J9 | LOCALE_SYSTEM_DEFAULT, Q6 p: H: Q: B+ w7 z5 N
DISPATCH_METHOD,3 r& }( v% O# L! N5 Y% V
&dp,
Z- C9 Y& J- t" i, E D6 A, c NULL,0 p6 e! @7 Q' U& w" i8 J
&ei,5 e b+ Z- Y0 ]
&uiErr);
. J m6 k7 n; X7 Q7 h7 F% a5 L8 J. R. Z1 j
SysFreeString(topicStr);. Y1 N$ [7 ? W/ r! d
SysFreeString(itemStr);9 t7 X1 J" G& k: H) g
SysFreeString(valueStr);
, }! P" z4 C9 Z8 `4 S% f
& W) \3 N/ Z$ j6 B0 o7 h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???4 K3 S* {3 ^7 b* L& Q/ H
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????
" y$ Z/ {* @! [. z- z7 b5 V
. X Z( f5 u! \3 v% Y' i! N m. y: ]# u' f: e
2.这是request的程序
9 H! d6 P# C3 i3 _$ s, }// Request a value from Extend+ P; Y* e' M( D& u3 `
//
$ {8 N! M1 w4 n& T! s7 {// Initialize the variant that will hold the BSTR. Set the variant's
7 c+ j% g' P1 @" ]6 I// type flag to indicate the fact that this variant holds a BSTR. Place the
) t1 c' j: U% O- m% d$ b" k// BSTR into the variant structure., D% {) ^3 x' o ^6 N$ d% v9 N
1 g4 `9 z( a2 P% A" v* B; M" {; D requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* N! ^, \; _' F( o$ [, z
) b) x- T; \- E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 G# _3 g% i# v* z" E# k9 A3 h
VariantInit(&requestVariant[0]);
; B) _1 V% O* Q/ w1 c# X requestVariant[0].vt = VT_BSTR;' p: B! ~. l% }. T2 s5 c6 M! Y& ]
requestVariant[0].bstrVal = itemStr;
. L) j0 ]5 n% J) ^
) B: X s: K' d% G6 p$ } topicStr = SysAllocString((WCHAR *) L"system");+ y6 p. d8 K; N( F( k5 C
VariantInit(&requestVariant[1]); l, S( g; U0 k+ K1 R
requestVariant[1].vt = VT_BSTR;& \" Z, j, A1 ]/ u( {
requestVariant[1].bstrVal = topicStr;
4 l0 z8 m5 A0 L/ V& e
2 f# M; e# `" _// Set the DISPPARAMS structure that holds the variant.
# M4 _+ k0 V; Y8 P9 P" x2 S
) e* F1 r) L1 D dp2.rgvarg = requestVariant;
" [& T8 h5 F w" r dp2.cArgs = 2;. e, ^& N& A; S% M. e! {
dp2.rgdispidNamedArgs = NULL;
) I; H5 [- F' N1 }7 V0 d" P dp2.cNamedArgs = 0;( o+ |$ f! d+ g' H4 E1 W" Q
# J+ C5 w5 E' _
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(/ ]& L; ^! [( z* p! T8 \5 Q8 R
requestID,! C5 X* _) y1 G) u9 q' [
IID_NULL,
7 h8 g* K2 [+ b3 T/ W5 o4 S LOCALE_SYSTEM_DEFAULT,
; Z# r- e( V5 @3 i& w DISPATCH_METHOD,/ Z/ ?9 y! ?2 A; @$ T9 `- H
&dp2,- r0 o7 F9 W' q( v5 k% Y7 C7 ]
&var,8 j5 g1 f7 h1 U6 k" {
&ei,: G+ Z' l# {8 n# H0 _& v4 v n
&uiErr);" _. m, T" a6 @
% {# s+ a& P1 v: N, [7 Q6 o
SysFreeString(topicStr);
" y' y3 P) `* Z7 z D SysFreeString(itemStr);4 g/ s: M3 a u" x: y \: v
请问该程序是获得extend里面的哪个值?) m! Y3 Y& j" E4 R: v, d
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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