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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:
' Q, m* |* h1 l& V; S0 M* KName = (WCHAR *) L"Poke";8 X3 O* w0 C- N
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hr = m_pDisp->GetIDsOfNames (
+ F; Q# B5 ]: k0 Z IID_NULL, // reserved+ w5 u$ e2 {5 B
&Name, // Array of names to get IDs for
# V9 U& Z' d u2 @+ D 1, // # of names in the array* g6 \- N, j4 Q$ m( p
LOCALE_SYSTEM_DEFAULT, // System locale! {3 x- v2 s* a3 }2 |
&pokeID); // Array of IDs to fill on output
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6 K1 r) J- F- C# L9 m if (hr)7 S5 e# a1 v' T4 J& N) R& ]) p6 y
{
0 J- e$ t" z: ^4 o+ f MessageBox ("Get Poke Unsuccessful");
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/**************************传递数据给extend**************************************/8 i1 ~! m/ {2 R& P& d+ ^+ W& @3 R
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# i3 i9 r# y+ \1 U
# q2 q; t0 r Z6 o" m; I
valueStr = SysAllocString((WCHAR *) L"1232");
( f# |. ^" k, k+ a+ S( W) e VariantInit(&pokeVariant[0]); & h4 ^7 }1 n5 D- l* g
pokeVariant[0].vt = VT_BSTR;4 R( d3 w) _8 i
pokeVariant[0].bstrVal = valueStr;% C) N+ |& p3 J1 y
/ k( N% V/ l* S3 h6 N y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. K# [# ~* {: t/ {
VariantInit(&pokeVariant[1]); / d i; l6 b3 q: w
pokeVariant[1].vt = VT_BSTR;# M* m4 ~' Y) X' i: a
pokeVariant[1].bstrVal = itemStr;2 a; ~; ]+ W! |. P+ Z
6 W1 |* }9 h$ t% w% y. ]* O2 \ topicStr = SysAllocString((WCHAR *) L"system");3 M, z1 [) Y8 b7 c9 D/ [
VariantInit(&pokeVariant[2]); 2 N' K/ x i, K3 c, G
pokeVariant[2].vt = VT_BSTR;+ G1 ]! e8 F5 U" s. B
pokeVariant[2].bstrVal = topicStr;9 F6 ]: m3 N& E ]
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// Set the DISPPARAMS structure that holds the variant.6 G6 J0 y# ?* ^! j* _
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dp.rgvarg = pokeVariant;
! @2 V* ~! _. Z7 J" ], ~1 r dp.cArgs = 3;
8 ~. X/ ^* s; ] dp.rgdispidNamedArgs = NULL;
1 V8 @+ ^" s5 ^8 V$ R, M* c3 d4 ~! y5 q dp.cNamedArgs = 0;
; ~& u! b4 n% O4 Q) X! B: k R) E) ~/ W" P1 B3 n0 W
// Call IDispatch::Invoke()" H7 V3 y: s! j; A5 {
" l) i1 ]$ X8 Y; f* t1 O. s$ w1 J hr = m_pDisp->Invoke(
. o$ G4 Y9 R9 r: J) b$ G9 F pokeID,
' `2 b. x! c; R1 B* t1 Q; G IID_NULL,
. q1 K& `% `. t( f LOCALE_SYSTEM_DEFAULT,3 Q& Z: A1 M: u" V- X. j8 T# n$ N
DISPATCH_METHOD,
: q3 R7 V, P* n6 C Y: O _# N &dp,$ }& o' I( W! @, r# v) U0 v
NULL,
2 C. Y! ]7 v( ~ &ei,
, M! [* z* o. t' n% u; Z$ q' e &uiErr);
* [* A6 f2 U# @+ h2 B' ]
0 i" R# _' K7 } SysFreeString(topicStr);2 n, o% J. i/ B! b1 Z
SysFreeString(itemStr);* _* q* e/ f( D- W- q( ]$ H
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???
( [) J( C6 {0 y8 _/ S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' @9 [; N( W7 j2 v1 I
// Request a value from Extend
3 E& X/ T( t3 k//
' w% E5 ^# _$ M' Y// Initialize the variant that will hold the BSTR. Set the variant's
" @6 {7 \% o* {1 b// type flag to indicate the fact that this variant holds a BSTR. Place the
" `& n, n& @" J; w( d% U// BSTR into the variant structure.4 D3 s& r/ w L% ?8 `
) \% g2 |" v; L
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 Y! w2 |& z- {3 X% H. x VariantInit(&requestVariant[0]);
- ? I5 O, w) M4 {$ F) t* B- S requestVariant[0].vt = VT_BSTR;
: s, l5 h1 m1 I' _4 ]0 ` requestVariant[0].bstrVal = itemStr;
; @5 u5 z: z( ^( G
6 U# L+ D- e- `# Q topicStr = SysAllocString((WCHAR *) L"system");2 F0 \$ d4 s( f9 j# `
VariantInit(&requestVariant[1]); # E; ^( @2 t( c, a6 _! U
requestVariant[1].vt = VT_BSTR;: R* f4 D/ ^; c: l
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. A7 U0 f! P( A7 [% k
dp2.cArgs = 2;
9 {! {' F% s: i1 u dp2.rgdispidNamedArgs = NULL;( W4 ~' ]6 r& O
dp2.cNamedArgs = 0;
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* _0 x& w* d1 V6 W& y: Q var.vt = VT_EMPTY; U2 U h# j4 c8 s# r8 O
0 R% d- x1 {; I) ~// Call IDispatch::Invoke(), Q7 ?4 \, `; F% D
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hr = m_pDisp->Invoke(
; V4 S9 p6 |: ?6 r requestID,
; L; b# v7 l- K! y! o IID_NULL," Y6 H5 T3 o; z! t9 J, h/ ?
LOCALE_SYSTEM_DEFAULT,5 Y" N6 a5 P* q7 C A
DISPATCH_METHOD,
: L( |8 |% G- V$ L &dp2,
: t, U a/ l/ h1 s &var,0 F+ L" l/ J) c" f7 ?
&ei,
7 N. [) F( T6 @" B {/ P &uiErr);; Y v9 i& g6 s# R- P4 h9 w
# t; B& l! M% j5 ~ SysFreeString(topicStr);
3 H/ o/ E* y3 e. u. | SysFreeString(itemStr);, p H$ U: n; J7 {
请问该程序是获得extend里面的哪个值?/ {2 ?: s1 ~2 f0 g
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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