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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: x& n" d% o5 Q& [5 m0 L& s& c1 S
Name = (WCHAR *) L"Poke";
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# L; K- L N* t hr = m_pDisp->GetIDsOfNames (
0 u+ |3 _1 v. ` M7 y IID_NULL, // reserved
9 H+ }. b; g) N2 g &Name, // Array of names to get IDs for F. I/ W5 K: T# j* O6 V1 g
1, // # of names in the array( X$ D1 b6 m6 S7 H
LOCALE_SYSTEM_DEFAULT, // System locale
5 I/ Z1 J/ G x- ` &pokeID); // Array of IDs to fill on output
/ k/ b }0 O* ]" y
: Y! X' C* Y, |( g# K if (hr)
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MessageBox ("Get Poke Unsuccessful");
2 Y6 s- Y1 U6 t8 t1 _* B3 j/ e% |# n return;) { p+ e$ K K* U1 G
}
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4 v# @. e% J+ _- L/**************************传递数据给extend**************************************/
3 K: @# W, C' g+ a$ q- a$ G r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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! ?$ h v. i. k valueStr = SysAllocString((WCHAR *) L"1232");! a" Y. ]5 F+ y( V
VariantInit(&pokeVariant[0]);
" D1 C+ y& S0 f3 I8 R Q: D pokeVariant[0].vt = VT_BSTR;7 y4 P ?$ }# f; Q) f
pokeVariant[0].bstrVal = valueStr;# o2 e, [; C1 [, R8 Q
) }7 S( V+ L- l6 h2 A' t: [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 x' ^- `( ~- k$ m' G# |6 e q VariantInit(&pokeVariant[1]); # \7 M( `! J; Y A5 X8 @5 {
pokeVariant[1].vt = VT_BSTR;, x6 P" H7 W" ^" e
pokeVariant[1].bstrVal = itemStr;
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. N- d1 M/ \1 n topicStr = SysAllocString((WCHAR *) L"system");
! ~ n% h8 x" _( s) n- c VariantInit(&pokeVariant[2]);
6 j1 X, ]) s0 O9 s6 ?8 J pokeVariant[2].vt = VT_BSTR;. m0 ]& M* [# C' @. D; b5 o& \
pokeVariant[2].bstrVal = topicStr;; d8 B0 M! ?0 w! W6 Q- ^
: |$ W, y B# L& R3 `6 I9 p// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
, A8 X& y+ U" N6 H dp.cArgs = 3;
& p. s$ ]. o0 P: e7 W6 @ dp.rgdispidNamedArgs = NULL;
2 ?! K, }2 u& o* D# l$ s3 l7 T7 W& N dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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# `9 X8 h$ `8 r- q hr = m_pDisp->Invoke(+ \. \8 L" q+ j) q6 n/ A& r
pokeID," v' D" F3 n o! X$ E& }) X! H
IID_NULL,
! y3 u( x+ ]2 u) c2 R- B6 b1 S LOCALE_SYSTEM_DEFAULT,3 r* c5 J5 g2 e1 R% _% Z0 b
DISPATCH_METHOD,2 V6 v0 |+ L* ?7 I; A5 s
&dp,; Z; z" U# \. \1 b% ?$ l2 u
NULL,0 T; G* I4 D5 X& A0 O. Z
&ei,
+ A/ P5 M2 M8 E0 D &uiErr);
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* v8 R! L; |5 G# E* K SysFreeString(topicStr);, A) {! B0 p3 G
SysFreeString(itemStr);
3 C3 _3 u) V: R SysFreeString(valueStr);
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h( y5 u& I# |; I, Y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???
! D" W$ I% ]3 I5 ~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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2.这是request的程序
4 l' ^# q1 ~! z* }8 x// Request a value from Extend
/ Y( W4 j# y) U; V6 q8 c# Q//' B" a. h6 l% _/ T( i: Y j
// Initialize the variant that will hold the BSTR. Set the variant's
; L! R0 Q$ d. W' C+ c& d// type flag to indicate the fact that this variant holds a BSTR. Place the
; V6 F- }4 r% L5 |) |. J( a// BSTR into the variant structure.8 O8 O) e% j; u6 L; D3 l
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% q: y, `' b" D4 B" l' L
VariantInit(&requestVariant[0]); . [9 }* A' Z4 @/ G7 _- r
requestVariant[0].vt = VT_BSTR;
5 `* F; H; R2 P5 c* n requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
* [4 N2 l) Z( C" ] VariantInit(&requestVariant[1]);
0 H- q3 |, L, j8 _) n$ S8 F3 s requestVariant[1].vt = VT_BSTR;
* _3 u8 _9 S6 c, o requestVariant[1].bstrVal = topicStr;
1 B- k6 y. u% d
# {* |3 W h |# z# G// Set the DISPPARAMS structure that holds the variant.
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- W& I4 G% V3 s, F dp2.rgvarg = requestVariant;
6 h7 n: @2 h1 w dp2.cArgs = 2;
3 R/ @9 f7 P9 h4 S& Z- h L dp2.rgdispidNamedArgs = NULL;3 f8 t2 I& o# d5 U% h* t
dp2.cNamedArgs = 0;
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$ x/ c8 J) m) w: ` var.vt = VT_EMPTY;
* b1 T j5 L$ V0 g
: Y$ g+ N# N) M// Call IDispatch::Invoke()1 _' `$ ?5 P5 M- R- Q7 [9 ^
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hr = m_pDisp->Invoke(
- R5 i; ?% A7 f4 T' Y7 ? requestID,
+ v/ ]; d) c# E( y; s$ K3 O& b7 J IID_NULL,
! ]7 y S S2 O" \# t2 D LOCALE_SYSTEM_DEFAULT,
) l1 ^ Z# }( F DISPATCH_METHOD,0 @) r+ ~5 l2 B+ t9 c
&dp2,
+ g4 z5 H* |, a0 n( j2 j* C* r &var,
h, s7 ?' G2 R( @ { h% C &ei,4 m* p$ o# E+ s2 Q4 t; \3 t
&uiErr);( F) @$ j* ]% |2 I% i0 o" }+ }
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SysFreeString(topicStr);5 c2 L8 g. T3 w+ b9 x+ S: q% i
SysFreeString(itemStr);) }" @8 j) E% B% p& M' }' U8 M5 o& S
请问该程序是获得extend里面的哪个值?
# a9 z1 z. a, c$ n# q( `/ |# S/ ^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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