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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:- `8 ~# o& J, X2 q; j. a6 ?
Name = (WCHAR *) L"Poke";
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" _, Z* ]+ f6 J1 [) f4 J, e. l hr = m_pDisp->GetIDsOfNames (3 @+ R- I& B1 g7 K4 y% ^7 B* V
IID_NULL, // reserved s( Y5 j2 n; L" o1 P/ _: Z
&Name, // Array of names to get IDs for
) I2 b& m9 @: X 1, // # of names in the array* t# S# R6 [1 N/ s4 O* g
LOCALE_SYSTEM_DEFAULT, // System locale# h$ J+ o3 x: G* I
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");8 M% N5 L# ]9 G; t$ Q% g
return;
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/**************************传递数据给extend**************************************/
% B7 Z5 E7 D, a" X, d5 X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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/ I0 V9 C9 o+ [ W valueStr = SysAllocString((WCHAR *) L"1232");
! m9 f" t# n/ F2 A5 Z! e K: O$ @ VariantInit(&pokeVariant[0]); 4 `. j6 [( R$ `0 ^4 b! c O
pokeVariant[0].vt = VT_BSTR;' X- v' e. s0 z8 e- d0 X
pokeVariant[0].bstrVal = valueStr;
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2 E7 a6 w) P/ P* F) \7 ]. R4 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
q6 R9 q k; c/ U K VariantInit(&pokeVariant[1]); / x+ Z% t5 t. E* U
pokeVariant[1].vt = VT_BSTR;
" d9 Y' R# s; _8 h# D( D/ o pokeVariant[1].bstrVal = itemStr;
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) C/ R( _, A/ L! ?- B# `& g* j topicStr = SysAllocString((WCHAR *) L"system");; Z+ }! `; y8 m! c( ^9 T
VariantInit(&pokeVariant[2]); ' F- F( _% ~8 ~+ G' r
pokeVariant[2].vt = VT_BSTR;
) X5 s g$ k" ^$ @ pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ S$ R5 x& G( @: b% o; i* `
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dp.rgvarg = pokeVariant;
! S% C) `+ C( `, T$ ` dp.cArgs = 3;1 j0 o1 B' q' a3 E7 k
dp.rgdispidNamedArgs = NULL;- g; Z* I+ R: S* a
dp.cNamedArgs = 0;
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& m' }$ ]6 E' r( Y$ h// Call IDispatch::Invoke()% {7 K4 B: q% g) ]7 B3 b( }7 u* k
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hr = m_pDisp->Invoke(: Q4 X# L9 |+ Z3 H4 j+ }
pokeID,; Y# Q% k, F* l) I9 _& `- W0 Y5 Z R U
IID_NULL,; x1 e6 M) o$ }% P1 s4 f) _
LOCALE_SYSTEM_DEFAULT,
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9 |; Y* a4 r% K5 O: z &dp,) g9 R+ ^5 D: B2 D2 T' E
NULL,) M2 C" H% l- o. f+ W
&ei,
9 t, i k5 I7 |, C+ M; a& f1 c &uiErr);
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SysFreeString(topicStr);! V( k; D% a' z: Q" O e
SysFreeString(itemStr);2 T/ T2 I: d) x
SysFreeString(valueStr);/ R, |- m0 \! Z# g2 [1 Q/ I) X$ u9 e
\; i1 S7 D* S+ b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???
! h8 J1 ^8 F$ }' {2 Y) T* g n5 z B2 p( 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???? F( v( w) P f# {2 c! G+ L; M1 T
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2.这是request的程序# D5 w4 l1 L8 |/ ]% ]" l
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's$ [* [5 H: M( x5 o$ ] ?
// type flag to indicate the fact that this variant holds a BSTR. Place the4 y2 y3 k. w( Y) {
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: Y9 G/ O; K2 g, Q; P# q/ J0 s3 N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: w, t: n# M6 l0 ? VariantInit(&requestVariant[0]); % D ~3 b& z+ o) c L1 ]# Z3 d! v" Q
requestVariant[0].vt = VT_BSTR;3 I4 v8 v6 H* C
requestVariant[0].bstrVal = itemStr;/ U B+ \5 l$ P
2 H# p3 q4 T- { topicStr = SysAllocString((WCHAR *) L"system"); H7 N& F4 ^, n6 c% ~
VariantInit(&requestVariant[1]); " ]% k: x) p: q3 ]
requestVariant[1].vt = VT_BSTR;
* r" B% r" M5 w( W5 u, a" l requestVariant[1].bstrVal = topicStr;5 S, p6 a+ R2 l8 z# k" C
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// Set the DISPPARAMS structure that holds the variant.2 n. L% X: y9 o8 P% H6 b9 n
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dp2.rgvarg = requestVariant;0 J6 M* Z G T) }0 o! l
dp2.cArgs = 2;
" ^- l0 q2 O& [2 L1 T dp2.rgdispidNamedArgs = NULL;
) F1 \* N# y8 }9 L( [. P( u dp2.cNamedArgs = 0;5 w [; j9 h$ J" g7 o! R
$ ?( L/ d# a/ R) L4 _0 L! h var.vt = VT_EMPTY;( O0 f' ~ N3 m' k4 l* M1 `/ p
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// Call IDispatch::Invoke()
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( n6 j, ?; S, E1 m/ b5 r hr = m_pDisp->Invoke(+ N8 M9 {# U9 @7 a+ {% Q$ C/ _% d
requestID,7 K8 O: M) p+ @6 V6 C* B
IID_NULL,
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' t5 q/ l" r# G5 U DISPATCH_METHOD,4 |* }( D; Y6 L; A
&dp2,: m6 e$ }! z/ q0 }' L
&var,
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1 r* e- \8 Z( N! U, O1 h" t &uiErr);
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SysFreeString(topicStr);
* p; ]$ M7 x: t$ [: C3 | SysFreeString(itemStr);1 H7 S, \- X3 Y' [# l( T/ R( o( J6 S
请问该程序是获得extend里面的哪个值?0 g4 @5 R9 T! D
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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