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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:& {% L8 R( d6 M+ p2 D
Name = (WCHAR *) L"Poke";$ ^& g( u: h7 t" s
: v; Q7 t ^- J4 O3 w hr = m_pDisp->GetIDsOfNames (/ W5 M) @0 O/ I, C7 j9 c, q8 ?
IID_NULL, // reserved
9 N# i- d! V2 E! O3 y% D &Name, // Array of names to get IDs for2 |! t* L5 Y* r" D" u
1, // # of names in the array
: Z: u6 Z* @$ L( l' x LOCALE_SYSTEM_DEFAULT, // System locale- q4 J. b( E! X$ M7 J0 N
&pokeID); // Array of IDs to fill on output; q( f" D, x" q/ g1 }2 c
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if (hr)# o$ V* I+ ~9 T6 ~
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MessageBox ("Get Poke Unsuccessful");: W; X# Z* g7 C5 P, f) P
return;
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/**************************传递数据给extend**************************************/5 }+ Q, G4 O# r! ^" z* p; g* w3 H+ X0 Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
: l& n R4 ^" v, w: q' ~9 n VariantInit(&pokeVariant[0]);
/ F, Y& A3 B4 M' Z( Y# ]& ` pokeVariant[0].vt = VT_BSTR;
( n- s6 A0 k$ [ pokeVariant[0].bstrVal = valueStr;3 v7 J9 e3 v6 X& T
. w: K( @$ B. w [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: @2 p. J! z4 S$ }: ~ R! J( F
VariantInit(&pokeVariant[1]);
- V$ s$ l4 s& A" t pokeVariant[1].vt = VT_BSTR;
$ u# R; _1 \0 I+ y1 V pokeVariant[1].bstrVal = itemStr;* i: K% C7 q/ l
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topicStr = SysAllocString((WCHAR *) L"system");
, h) \/ Z9 Q# f3 ~7 X: |' C7 m& l VariantInit(&pokeVariant[2]); ) p3 x% z5 F( J& o7 l+ d: |
pokeVariant[2].vt = VT_BSTR;
9 |7 v) N6 h) e% G$ U pokeVariant[2].bstrVal = topicStr;. C$ m! O" d G
" \; a, l+ T- G1 d3 u P& Z9 d// Set the DISPPARAMS structure that holds the variant.5 n3 T3 x# P5 K9 T4 D# k) I
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dp.rgvarg = pokeVariant;' z$ d0 l# q% J* D+ x
dp.cArgs = 3;8 v9 V5 U ~+ q# z4 m
dp.rgdispidNamedArgs = NULL;
' O, D# z: n' _ dp.cNamedArgs = 0;
) J' e' s/ Z6 E9 I
! l& F3 E5 N0 O// Call IDispatch::Invoke()0 H* N. K7 T% y
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hr = m_pDisp->Invoke(
7 H9 T& U+ h: \0 N/ L. o, G pokeID,
) r" Q# d1 c6 Y% v$ }1 S; w IID_NULL,
* ~( E! d, A% A9 [4 R5 q( p7 b LOCALE_SYSTEM_DEFAULT,
0 N. s, R" j2 j- t K2 L6 |7 S DISPATCH_METHOD,$ S# T' S7 Q2 h6 B9 \) S3 z
&dp,
; U0 m- {# k" S4 I9 m6 Y NULL,$ k! r% b( g4 u4 a4 v3 A% y5 L
&ei,
3 s+ N6 n# o2 f9 V &uiErr);
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# l4 M/ R" Q) h [+ p: n SysFreeString(topicStr); r W* U. X" D( C- m( n8 b+ |
SysFreeString(itemStr);
1 \) C3 k6 B# x' ~5 ~ SysFreeString(valueStr);
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) O, b* N6 c7 Y" 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???2 X# i* X5 w' _" a$ Y1 B
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????! O0 f0 O, p0 P5 P$ B; @3 i
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2.这是request的程序* Z2 m4 [, _2 W! {" L: I* E
// Request a value from Extend
. u, \$ d2 c+ {4 k" a8 n//
& H3 |8 C" p, Y$ K& S1 J7 S// Initialize the variant that will hold the BSTR. Set the variant's
& X; q' F! Q) J7 f7 W6 O1 x// type flag to indicate the fact that this variant holds a BSTR. Place the
& o7 m. r2 D9 p* I// BSTR into the variant structure.6 N* f& k4 O* n9 p9 J+ l) s
% n! X2 x2 S/ K/ G% q% v9 Y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& Z2 W1 L1 h a) v5 J
VariantInit(&requestVariant[0]); 7 P. c- |6 C: d% E. t3 B
requestVariant[0].vt = VT_BSTR;
3 y% i6 L$ r; q/ Y requestVariant[0].bstrVal = itemStr;8 I9 R. [# ~ Y. w, Q
7 [) o. p7 \5 B4 `" z$ ?" V5 l% B4 U topicStr = SysAllocString((WCHAR *) L"system");' H3 M W$ m" m3 o
VariantInit(&requestVariant[1]);
5 k e% \( S$ E0 I m# i requestVariant[1].vt = VT_BSTR;
" B7 U$ T$ ^; S: m' E requestVariant[1].bstrVal = topicStr;
' a/ q2 H8 \) m P
( r( B$ e0 e* U. {4 [. _// Set the DISPPARAMS structure that holds the variant.3 ?) I7 s+ e. ~+ z1 ~
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dp2.rgvarg = requestVariant; H" g4 H' L9 F2 F$ m$ E
dp2.cArgs = 2;
; X8 b t; V; J% b$ A# j7 o dp2.rgdispidNamedArgs = NULL; {# t: G: a% d0 g' O2 R7 w
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;% L+ I" l0 O, h, |" o+ S; S
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// Call IDispatch::Invoke(), v+ o0 _5 `# @- a
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hr = m_pDisp->Invoke(
' U+ }3 C! q0 s* @0 C$ j/ |; |. J requestID,$ x6 b, A. E* Y b, e3 j8 e& M
IID_NULL,+ T7 j4 A6 A7 x$ {
LOCALE_SYSTEM_DEFAULT,
0 |0 P$ a- s; W% B/ `+ D U DISPATCH_METHOD,7 T" \ R, `# D
&dp2,
" z3 F3 H/ z% F+ Q0 ~ &var,
! [! R0 @3 n# D: g &ei,
$ b; Z6 Y9 E c. H1 X &uiErr);3 R& M* B+ a. u. }8 d2 h3 C) ^
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SysFreeString(topicStr);
& E9 p' u/ S0 F" w8 d$ E: B0 ~ SysFreeString(itemStr);
2 `* A- |8 A8 v w3 ]请问该程序是获得extend里面的哪个值?
^, ^% j$ K* k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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