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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:
0 p# Y+ P* S- B, X( f' sName = (WCHAR *) L"Poke";3 p, ^, }+ P1 X, ~- Z( e9 b
5 H z+ Q: E/ q5 j0 G5 w hr = m_pDisp->GetIDsOfNames (
4 p8 \. f/ L5 G& C7 K; Z3 C& b5 h( B3 ? IID_NULL, // reserved
. O0 ^# v- W5 m$ s4 o &Name, // Array of names to get IDs for( R' F( C* P# n& U" _0 S
1, // # of names in the array4 \* X. c4 C. k% O. ^
LOCALE_SYSTEM_DEFAULT, // System locale1 l( s& i/ E; }5 c q* L
&pokeID); // Array of IDs to fill on output. M$ O! X P2 E9 ~$ q. z+ p
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
' X8 ? y( V+ n U7 A/ G return;
: g% H+ w1 @5 P$ n2 f$ G9 B9 N5 w2 e }
* ^5 B9 A& S& ^4 I9 ~! z' @6 U- L- {$ E1 b; }
/**************************传递数据给extend**************************************/8 i: y9 {3 z6 m+ ]* u
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 s5 e" u4 n5 Z! R& `
" j8 \, p+ c* ^! z9 f valueStr = SysAllocString((WCHAR *) L"1232");
% ]9 j: ^% K- u; T& ?/ J4 g3 ^$ c VariantInit(&pokeVariant[0]);
8 w9 T: F( v U( S; a pokeVariant[0].vt = VT_BSTR;7 P. u3 I8 j A; K7 a" v
pokeVariant[0].bstrVal = valueStr;. q& Z1 u# [: K* K& o$ ~0 D' f5 j
: I8 [" p9 ]* q* O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ _# }* L8 _1 \: m- c+ X VariantInit(&pokeVariant[1]); / `8 M0 Q8 {8 G2 p! q% X
pokeVariant[1].vt = VT_BSTR;; f; I+ g+ L c; i% D1 I
pokeVariant[1].bstrVal = itemStr;
, W5 K7 Y6 n/ o% v, r
/ X @, L& _3 b7 M8 i" v7 ^( ? topicStr = SysAllocString((WCHAR *) L"system");
3 P! q0 K1 y5 B VariantInit(&pokeVariant[2]);
. D/ y3 S5 Y; J5 v3 K pokeVariant[2].vt = VT_BSTR;
3 h/ {- H! m) T pokeVariant[2].bstrVal = topicStr;- h8 y( Q2 O! s" Z" w
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// Set the DISPPARAMS structure that holds the variant.
h# {5 H( w+ {* S' V% t8 Z
7 o: q( j" \' E% F' D. E dp.rgvarg = pokeVariant; d1 _9 `( g* m
dp.cArgs = 3;
3 ]; `! p" \$ E% `$ \ dp.rgdispidNamedArgs = NULL;
3 c* x9 t$ p; A% L dp.cNamedArgs = 0;
; l. L8 j. R6 a, ?: B. i4 J3 M3 ]5 C6 K+ V& A
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" q" B6 |% R8 S0 ?7 F; g }
pokeID,* j W. r8 z8 r" O& e Y
IID_NULL,! c- H5 Y5 f, t% ?
LOCALE_SYSTEM_DEFAULT,
1 j' o8 P, o3 a2 C) Y8 O! Y" Y; o DISPATCH_METHOD,
. \. {+ i( F! ~5 D( Y0 z1 Z; i" z &dp,
% t( {+ y w0 _: F) @5 U( K* p NULL,, M% ?% e5 a q9 @
&ei,+ W% ~+ y/ o8 s
&uiErr);
" [: |& T4 k; `: A" ]# H" i+ h( b# w3 T+ Y& `: [) j+ h( r2 `8 f/ ?
SysFreeString(topicStr);
% t$ w: k; |7 w0 ]! k5 M* I SysFreeString(itemStr);
7 `1 Z& f% z$ J1 j1 h: q0 j SysFreeString(valueStr);8 o! ^9 k: Q9 I9 y6 Z
; e9 h/ m7 _2 ^& J1 V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???
5 u. n0 r6 X4 ^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????- ?9 _: o0 j' p2 v$ {& F
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7 K+ d P! ^# Y% k( {2.这是request的程序
! k4 B& b7 W( J: x* x! E// Request a value from Extend
+ O- q6 K* _: O( S! Z- g) H u//. G. Z( Y1 z- Y( h, @. y" v
// Initialize the variant that will hold the BSTR. Set the variant's [. m" m( u6 }' K% J
// type flag to indicate the fact that this variant holds a BSTR. Place the
% F1 V5 E: o& C7 l4 [// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ y, \( C; ^" B2 Q5 ?
" _; D a- G1 G; [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 Q$ ^9 h8 v: g1 ?) _( I& h VariantInit(&requestVariant[0]); i4 m [3 n6 l9 h* Z F, j
requestVariant[0].vt = VT_BSTR;( B" {: g& ]- {4 B# n: X$ e4 b
requestVariant[0].bstrVal = itemStr;/ ?9 `. S# ^, G' M4 ^8 s
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topicStr = SysAllocString((WCHAR *) L"system");( W3 s T: N3 I6 ^9 B
VariantInit(&requestVariant[1]); ! w6 e! k* Y' `- N' s
requestVariant[1].vt = VT_BSTR;
, z1 o9 X9 a7 k h1 d requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
. \( z6 r6 [. N
' I* r; O: a; \ dp2.rgvarg = requestVariant;5 B4 |: N- z4 H0 Z" h
dp2.cArgs = 2;$ N0 K$ R& Z [2 Q
dp2.rgdispidNamedArgs = NULL;
* X5 P4 ^% K" X6 W* z dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
4 [- s1 k; v6 ~( |9 G
' u% U" J8 a+ v// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! V) o0 f6 {/ G' e% w requestID,
, X* \3 X6 c6 H6 B& t* \5 R8 x IID_NULL,* \' U, \: a' |' D
LOCALE_SYSTEM_DEFAULT,
- f: T. x, x$ d" Y6 `% B DISPATCH_METHOD,
) S) E% A$ ^2 a4 q& R &dp2,
8 p1 \( W+ |7 V6 b, n &var,' x! C5 s0 u" Y# B: @0 c; G
&ei,
7 B( M, ^* n% e7 Y# v &uiErr);/ s3 b( ]* E( G
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SysFreeString(topicStr);. ]8 n0 k) K* X1 a) k
SysFreeString(itemStr);2 E0 r- f# a( T5 r
请问该程序是获得extend里面的哪个值?
0 G6 O5 l( v: Z. b. N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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