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:6 G" m! K# _! v" ]$ Z
Name = (WCHAR *) L"Poke";0 ~) ?7 A& F, S2 H( e/ O
' h' c4 G/ P' Y( {6 i hr = m_pDisp->GetIDsOfNames (5 s0 @+ W: U, M; q; k0 k8 V
IID_NULL, // reserved
; A) G' i$ f" e7 n/ ] &Name, // Array of names to get IDs for7 b* C) q9 j0 W/ O+ t2 I, c. T/ C
1, // # of names in the array
- c, |* p( ~5 w% S LOCALE_SYSTEM_DEFAULT, // System locale% }: g- ]8 c& i( R
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");+ e8 D w0 M U8 A) s4 @
return;
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0 b+ y( e% J# S. ?0 Q0 r /**************************传递数据给extend**************************************/: s- C3 H% p1 ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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' A3 g6 u" _5 D0 E valueStr = SysAllocString((WCHAR *) L"1232");; ^$ N( Z& D6 O! S6 a0 Y
VariantInit(&pokeVariant[0]); % Y1 t$ o* O: X7 y
pokeVariant[0].vt = VT_BSTR;+ d) J$ I' D- a& `+ s$ z) s
pokeVariant[0].bstrVal = valueStr;! Y' {( Y5 n# N" d& r1 f
( u# H2 U$ Z8 R; ?3 j6 M% R% D8 x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- u9 l$ ~4 W2 l+ C! ~
VariantInit(&pokeVariant[1]);
* o% t* c" H$ O1 e5 ~' z pokeVariant[1].vt = VT_BSTR;! i) j, ~8 e6 k! s n
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' h2 n, b5 T' ~ VariantInit(&pokeVariant[2]); 5 e2 I8 o" Q% A2 E( T
pokeVariant[2].vt = VT_BSTR;/ r* _. E) G5 r' N( @
pokeVariant[2].bstrVal = topicStr;$ c3 k. l4 X9 s+ R; K+ P1 X s: w4 L3 D- @
9 M- V! A6 @6 F) y# ^$ m% o // Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;1 F( d6 l4 F6 A# h& @& g
dp.cArgs = 3;
2 Z: E* B3 ^* @) {3 M4 B2 m dp.rgdispidNamedArgs = NULL;: Z. B( J; `2 K( p3 n$ P% a/ E; }
dp.cNamedArgs = 0;* J9 @2 Q1 j( f
8 X/ G0 x# L3 R+ ^ // Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 n) `( W0 k7 M! j- A
pokeID,
& L. ]' v K. V; Z4 {7 X4 { IID_NULL,
) |3 M" @$ H, d$ K3 Z9 C; c/ U6 g LOCALE_SYSTEM_DEFAULT,
; V' P7 ?7 ?* w n; y DISPATCH_METHOD,
) F) r* {: { n: g7 T7 k+ C( V o, A &dp,- Y5 w1 U9 w0 t' H
NULL,0 s- `8 @8 c! e, v5 U5 l9 ~; q6 ~; H* v
&ei,; [1 J: K2 z% M4 b; I+ p
&uiErr);
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0 A+ [( I4 _7 v' [+ ~3 u$ d) y e SysFreeString(topicStr);
2 t8 u, T% i! \! N! S, l SysFreeString(itemStr);6 I, e H. L i5 h( z
SysFreeString(valueStr); Q1 U" F3 t' `. m/ |- Z/ L( T
& W' p1 p9 j# j 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???
( k* }; u+ T: Q7 ~# q 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????, |- m( \( @1 A2 U, y4 [9 c! M
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2.这是request的程序
" C& O4 z" [5 V G; J! W# u8 \+ W- X // Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's6 N" D& Y& I- V0 \' @, ?
// type flag to indicate the fact that this variant holds a BSTR. Place the% n( R2 a$ u& U+ ^; l1 v" U# X: g
// BSTR into the variant structure.
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1 E. y G8 ?7 q7 F. ~& f9 n. I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- i4 C+ G1 `( e- D) W; l9 M+ C. J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* ?& Q0 G4 i5 R* j6 o ~6 G
VariantInit(&requestVariant[0]);
& E. f- @8 D2 N$ ~. M! P4 ~6 W requestVariant[0].vt = VT_BSTR;4 M2 n8 x! y% f K' ^
requestVariant[0].bstrVal = itemStr;
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5 p1 {& M, f- h" ^$ L topicStr = SysAllocString((WCHAR *) L"system");# V2 ?+ x" V/ f$ Q+ C) N7 g
VariantInit(&requestVariant[1]); ) u5 A8 y c& ~) x; Q
requestVariant[1].vt = VT_BSTR;
, E: X4 f1 i" e7 A7 B requestVariant[1].bstrVal = topicStr;
# N6 R" P9 w- z
7 }& \7 w+ Q4 d1 X. W // Set the DISPPARAMS structure that holds the variant.
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) Z* W9 e+ ~6 ^' D% { dp2.rgvarg = requestVariant;$ o- R4 {- A9 X" B: {$ I
dp2.cArgs = 2;
& K# G* x4 D5 u F# m- o dp2.rgdispidNamedArgs = NULL;
+ ~( h' n1 D) [5 S$ H4 V dp2.cNamedArgs = 0;! @/ v& N- e3 v9 Y- a. y9 u4 L. h7 n
8 {2 g6 F+ b7 z/ T: F; \! q var.vt = VT_EMPTY;( h# A! B* r+ J
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// Call IDispatch::Invoke()& I- q3 d& F {% b% q' N
: v4 G( n* m. k& G2 A' L" m3 w! w hr = m_pDisp->Invoke(4 Y6 ~5 K' g3 e6 u$ U; g- c
requestID,' T9 B, E% T. E2 P# u5 t
IID_NULL,
0 w( Y" C" u- C, _( @) O/ M LOCALE_SYSTEM_DEFAULT,
' j1 Y8 K* }1 @4 a DISPATCH_METHOD,
, E1 L8 l. \: P. f* z1 ]* m4 m% g &dp2,& Q. `! u: E' N$ y, M% Z2 v2 g: `! m
&var,
7 C# E7 {& G9 _( J$ C! C &ei,
" }4 d" u( k8 o" R7 K &uiErr);
i+ o% W2 ]7 R4 U2 W O, Z
0 ?7 X9 j4 z( _, U& I( P: W SysFreeString(topicStr);
L% X' D, v" c/ x SysFreeString(itemStr);
$ o9 A B: K" I5 o [ 请问该程序是获得extend里面的哪个值?
* {( H/ A! N4 s. o" U7 t$ t 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????
我来回答