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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:
- V ~; t- y' O9 y2 s7 } \Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( \0 j) `: s3 V5 d" o) \' C
IID_NULL, // reserved
2 g, M; o9 H3 R9 G- U &Name, // Array of names to get IDs for) \4 e1 n0 w5 d+ {7 @- M
1, // # of names in the array
! P( o" ~+ ?8 _7 a# ] ? LOCALE_SYSTEM_DEFAULT, // System locale
7 X7 S# e" J, H1 g, o" V/ x b &pokeID); // Array of IDs to fill on output
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# t# o# o) L# y. @$ R. g! U, Q7 b) K if (hr)' i; {" w: z& G y$ H" K& M6 n
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MessageBox ("Get Poke Unsuccessful");
+ z- {$ J" y& C" Q return;, A% G2 g& y; `3 x, j: z7 l2 C1 }
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# m6 l: |$ o) V$ [: T8 j/**************************传递数据给extend**************************************/
/ Y+ G' C2 g' B( P5 D% D pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 H- R( n. d/ I0 S6 ~
4 T/ j! z" N, l% n2 @ valueStr = SysAllocString((WCHAR *) L"1232");
; L9 U6 I( t: } VariantInit(&pokeVariant[0]); 1 S- g( r: E, B9 J8 E* Q
pokeVariant[0].vt = VT_BSTR;9 w9 i* l- O4 {- k( \/ `7 K
pokeVariant[0].bstrVal = valueStr;
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% C' R+ k' q. ], e' S( Y! z& d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 h* k% ~( p3 i1 \& s- M
VariantInit(&pokeVariant[1]);
7 l- l0 J! ^1 t! M pokeVariant[1].vt = VT_BSTR;3 E$ B% @" `0 g/ \; y
pokeVariant[1].bstrVal = itemStr;7 X2 r6 C& m8 q! ~- y
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topicStr = SysAllocString((WCHAR *) L"system");) t3 s$ T) ?5 G# \7 A" S
VariantInit(&pokeVariant[2]);
. d8 ^! V& O4 b* X# d- h; g* V2 C0 C' S pokeVariant[2].vt = VT_BSTR;7 I/ P$ d ~* }+ x' u- g* p
pokeVariant[2].bstrVal = topicStr;
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: v- s3 r' \* W. G" S2 p9 \// Set the DISPPARAMS structure that holds the variant.6 \* d5 q# ?( Q% ?6 E
- h8 J# Z1 U, _5 } dp.rgvarg = pokeVariant; z* j! L6 R# U. _2 L
dp.cArgs = 3;
3 Q% ?: L: q4 X8 N. Z8 @8 a* T dp.rgdispidNamedArgs = NULL;
' {7 ]. o& I/ Q# H dp.cNamedArgs = 0;$ Z# d$ q" k; b" G
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// Call IDispatch::Invoke()# T4 X& d6 J* W8 F
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hr = m_pDisp->Invoke(
% H1 @, G1 I7 A9 c1 r pokeID,
6 `! P0 |# _& z- G5 _9 b IID_NULL,
+ z k$ @% q/ B2 a; u LOCALE_SYSTEM_DEFAULT,( z# b, M9 U1 j$ `8 x% u
DISPATCH_METHOD,8 c( D8 u' ` Y! Y% W0 a
&dp,$ J9 W7 H. s: f, W0 b4 Q1 u' A& Q5 L
NULL,2 u3 P4 @' C3 j; \. E
&ei,
1 k/ J9 G; |0 d6 b& V* c, O &uiErr);7 r0 ?) @. n# l, Z3 d" {9 z
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SysFreeString(topicStr);) O1 ]; q1 g5 i
SysFreeString(itemStr);
% H0 O+ ?" ~( y7 a SysFreeString(valueStr);7 S0 }: E" A3 ]9 `# T
+ b- e* [# s2 @% ^
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???' p, X, X! [/ z {0 E& h' ~0 M
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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- s+ _: U8 T2 q( G/ z+ k) g/ l x2.这是request的程序, c3 I7 v4 x( J8 m( ]8 ]4 L
// Request a value from Extend+ D3 g% `- Z1 [
//
1 i: @, q5 E5 b7 m$ W0 P" f0 w// Initialize the variant that will hold the BSTR. Set the variant's
5 U8 j# U- E5 k// type flag to indicate the fact that this variant holds a BSTR. Place the2 G; r' `& B- P N
// BSTR into the variant structure.2 E2 B8 V" a% z. Z
& M7 P+ |- g, ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- M2 z- q. o! o* o; X. r" I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: O3 Q5 l) S% z5 E4 i/ o
VariantInit(&requestVariant[0]);
. p8 s. ?% [" j) i- o- h/ P requestVariant[0].vt = VT_BSTR;
) o0 g. p& w# ? requestVariant[0].bstrVal = itemStr;) S" {3 K m& }
- n O) N/ Q7 |2 F topicStr = SysAllocString((WCHAR *) L"system");# _: _! }0 Y: k2 H+ Y) F4 Q& b. n
VariantInit(&requestVariant[1]);
+ _4 g! [5 Z9 d: P! `* ~( v2 \ requestVariant[1].vt = VT_BSTR;9 i* x8 Y% s1 S# [. ?% u
requestVariant[1].bstrVal = topicStr;* ?# t8 _2 V: T: O+ S9 q
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// Set the DISPPARAMS structure that holds the variant.
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6 J1 B2 I( Y5 X5 _% }) U; V! | dp2.rgvarg = requestVariant;# @8 t# x/ E: R. P
dp2.cArgs = 2;6 y# w, X: N, b
dp2.rgdispidNamedArgs = NULL;
6 C/ C8 a0 @; p3 \, g dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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8 Y8 [% f8 u. F/ P% c4 Q// Call IDispatch::Invoke()3 ^: G$ S' ]) |4 x
! Z7 M' S9 T) M- Q7 D hr = m_pDisp->Invoke(
- p' n8 _# I, O3 U2 z requestID,
' M3 S, p# D$ Y* u8 g) A IID_NULL,/ W( {% ]; ]; ?/ E' Z, D% u
LOCALE_SYSTEM_DEFAULT,
. j7 j0 u+ x+ U' K; ` DISPATCH_METHOD,, I( m' a+ C, r
&dp2,' e6 H, p u3 [1 t: ~) O
&var,
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&uiErr);
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SysFreeString(topicStr);
. f7 ^0 @/ V Z SysFreeString(itemStr);4 W% D: W! B }9 L
请问该程序是获得extend里面的哪个值?
8 J- ]+ m' k, ~. H6 S- V: a% m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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