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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:+ |! h, d2 Z8 F% ? V% p0 q
Name = (WCHAR *) L"Poke";
7 W u9 p" T. h : n" Z: Y5 l. l) `& W
hr = m_pDisp->GetIDsOfNames (
( R" A9 Q6 ^! I! |. C; U) p) V* `/ P( ^ IID_NULL, // reserved- v7 i/ i! m' M! k& R6 r
&Name, // Array of names to get IDs for( L1 K/ q8 _2 U4 C$ @2 L
1, // # of names in the array% t' T$ L$ }( A5 ~ ]0 F
LOCALE_SYSTEM_DEFAULT, // System locale
9 r5 @- d2 @9 n# t &pokeID); // Array of IDs to fill on output
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) ^, ^$ K# R3 n8 p4 |5 d: x5 C% n7 | if (hr)7 x* W! }: J$ h6 F. [( |0 {
{
/ D4 e7 {0 P9 F) ^, Q/ [ MessageBox ("Get Poke Unsuccessful");2 h/ L5 B! A. d, [7 E5 _1 D; B
return;
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/**************************传递数据给extend**************************************/
' z( v; S, z3 [2 F# F @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* }( r3 c/ { v: }" o+ ]1 u
% Q' v/ C) |1 _
valueStr = SysAllocString((WCHAR *) L"1232");
4 h x/ g0 U, F& K VariantInit(&pokeVariant[0]);
( o4 j ?: |; w/ X# V% y: T pokeVariant[0].vt = VT_BSTR;0 K, g u" y$ m' B4 |7 l
pokeVariant[0].bstrVal = valueStr;
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5 h( ]6 h& n" u4 T8 `2 c1 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" U% P% i5 Q( v
VariantInit(&pokeVariant[1]);
" o+ C- [' Q0 X2 P, h, x0 } pokeVariant[1].vt = VT_BSTR;$ [/ L6 L& T2 f! j& @+ [
pokeVariant[1].bstrVal = itemStr;
6 `* P# @) {/ Z6 V6 B* }
) ^8 g4 O9 L7 B7 G4 ? topicStr = SysAllocString((WCHAR *) L"system");. n1 }& J! p! a) p/ E% x
VariantInit(&pokeVariant[2]); # \- ?: [2 t: Q9 G$ ]0 {
pokeVariant[2].vt = VT_BSTR;
8 b: k% e [% [/ M& Q6 C pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.4 x! y. ]: d- S' K" p
. S, Q6 }& n5 i2 P' c dp.rgvarg = pokeVariant;
8 p& O2 @$ b8 o' p, ^/ s! G) C) Z dp.cArgs = 3;
+ m3 v9 F" A' I- a* r8 Y2 h dp.rgdispidNamedArgs = NULL;0 `; \7 s4 @+ I
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()/ D0 l5 H9 v! B2 S/ E6 _
5 j9 v5 o' e6 E; i n' ? hr = m_pDisp->Invoke(
, Z/ h$ \, a! e1 `+ r: x pokeID,
9 j2 W% b8 i- ^8 T$ a IID_NULL,
0 P& w0 t5 D0 d, h, r8 |7 z LOCALE_SYSTEM_DEFAULT,
4 ?7 R$ V. \! H B/ f. a DISPATCH_METHOD, U. U V" o1 q1 I
&dp," L! r$ Q( S5 ?# z7 S
NULL,
/ {6 Y' Z3 s# C5 H &ei,
4 z3 y! P! k$ m# V- g* a &uiErr);4 L6 ~& {% w4 c" n9 {( D/ B
% R: |, N" G' o+ w: H; u2 n; _
SysFreeString(topicStr);# ~$ K, a8 L* f8 R# P
SysFreeString(itemStr);
1 w4 |) N7 H* T9 X& V s8 c5 W SysFreeString(valueStr);
; n$ q% d3 U) n }, T" F
: a! p o+ r: r& @8 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???
7 h( q' a6 G7 T! ~7 Y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6 a" Y# q# p9 N/ _( \+ Z' O
// Request a value from Extend
" A/ F1 [, ?4 B* X* a//
& g# h, j$ q1 s W5 B" a- m$ ]// Initialize the variant that will hold the BSTR. Set the variant's$ [3 r( ]$ V+ ^. D7 f9 L! |5 {' W
// type flag to indicate the fact that this variant holds a BSTR. Place the( l/ I, p! e/ B s% E8 p
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, c) d* T H/ v$ [
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 ]2 v) s3 ^6 { q$ O S VariantInit(&requestVariant[0]); $ N6 u$ a% J, U1 F# @" l5 S5 z9 q4 D
requestVariant[0].vt = VT_BSTR;5 [9 R/ `' d/ D
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! ~- \+ R; t) [* r( F# c) k6 E VariantInit(&requestVariant[1]);
) @; B. }" M- f$ @* i$ _ requestVariant[1].vt = VT_BSTR;
& X* g# o# K. [/ D5 Z requestVariant[1].bstrVal = topicStr;! D. Z$ Y8 R& y) x( {9 ]
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// Set the DISPPARAMS structure that holds the variant.6 p: `* c! ~* u# D' V8 @
4 @7 C5 u$ n! n9 M5 l dp2.rgvarg = requestVariant;
0 D9 c- ]7 z1 N- k. D dp2.cArgs = 2;
" B( i5 v* j$ _% q: ^$ ]5 Q: O dp2.rgdispidNamedArgs = NULL;
$ p. M4 V# Q/ ^" a4 w4 ^% u E dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;; d! z- ]- G" a$ a7 h1 Z' |
4 s+ T9 R: _- O8 _3 ?+ `. K6 g// Call IDispatch::Invoke()
" l3 T# r* G. U3 N0 ~8 i7 C4 n2 N
6 L( i9 t( t r/ U5 k hr = m_pDisp->Invoke(
$ W. d3 F h! n; x9 m9 X7 i/ w requestID,
7 f: }: j1 K6 m4 U. a IID_NULL,
7 d7 i7 j1 L9 O7 N7 X LOCALE_SYSTEM_DEFAULT,1 L6 z4 K! _1 _, l; [
DISPATCH_METHOD,
`7 N, U) w2 h @+ U &dp2,0 J* I: L# n# a& _0 \# M
&var,( }; P* n \1 F
&ei,9 }% m | N# m. Z
&uiErr);
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9 j/ v+ @' n% Q9 ~4 {; I7 t SysFreeString(topicStr);: X: e+ R1 a+ o' H
SysFreeString(itemStr);
/ @; r+ L. T& G3 z% a请问该程序是获得extend里面的哪个值?( ?5 L, u1 m F& T$ q) H* j
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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