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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:5 m3 \2 ?+ j _8 z- E6 y
Name = (WCHAR *) L"Poke";* o" o) C5 X$ A3 y- ] |4 m
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hr = m_pDisp->GetIDsOfNames (
/ n2 o# w p$ m8 D9 n1 ~* ] IID_NULL, // reserved. G. ~ J. w5 ~9 T8 [
&Name, // Array of names to get IDs for
; m9 S3 b( {+ R% ?2 C, ^" W3 a 1, // # of names in the array& z/ j. U9 ?4 H' S, L2 r5 g
LOCALE_SYSTEM_DEFAULT, // System locale$ a3 W9 o1 K9 a3 @, W% R- Z9 |; Q2 W
&pokeID); // Array of IDs to fill on output
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$ x' K( M( [$ U) Q3 [9 A if (hr)5 D" }$ d2 i/ @) u- z' x+ s
{
1 \: b. i' o( B+ D% |" l MessageBox ("Get Poke Unsuccessful");; a% _6 v0 |( _4 L' T
return;
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/**************************传递数据给extend**************************************/3 m& g9 b' x7 [5 w# r. P
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( I% k& l! B! f7 }4 C valueStr = SysAllocString((WCHAR *) L"1232");" M8 U6 b- T% {) B6 b' a7 N
VariantInit(&pokeVariant[0]);
% _" @6 B% F" ~6 M1 X pokeVariant[0].vt = VT_BSTR;
7 k" C. [7 b# u( R/ C; n! r pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ p7 {. E, ~9 J3 Z5 ^0 R# e VariantInit(&pokeVariant[1]); 8 z. O6 s6 L4 Q) a) ]+ C: e
pokeVariant[1].vt = VT_BSTR;
2 y2 w8 C" V" ~ pokeVariant[1].bstrVal = itemStr;
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% c, @# H2 t% V$ r topicStr = SysAllocString((WCHAR *) L"system");8 W+ s& r+ Q. q+ z* z5 b2 J$ E# ]
VariantInit(&pokeVariant[2]); + V' Y( V" z" c% t4 @$ D1 a
pokeVariant[2].vt = VT_BSTR;
/ M1 V4 u! Q# [1 P; w pokeVariant[2].bstrVal = topicStr;. H, s9 o6 o) L; h
% O4 P2 e8 p* F1 q// Set the DISPPARAMS structure that holds the variant." l9 j+ M$ l7 e+ E
; u9 B) ]; X3 Y dp.rgvarg = pokeVariant;2 y n$ }" {3 a+ ~4 E# ~8 }; O
dp.cArgs = 3;1 _* d+ J+ R" S( Z: T4 P" N
dp.rgdispidNamedArgs = NULL;
: f/ i4 j( W+ Z( k# p2 ^. d' z6 e& M dp.cNamedArgs = 0;' E3 Q' o) l3 e* `1 N- L
R& b8 T) P- Z7 a+ [' b
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(! |- s- t5 b: J! B6 M* Q. ~
pokeID,
8 L7 r9 N# c+ c IID_NULL,& G# @4 E) x; M8 `7 n
LOCALE_SYSTEM_DEFAULT,1 |& F) }; [# C
DISPATCH_METHOD,6 `2 f5 j* |- t; |
&dp,! V; o2 Y, [+ Z# x, B- X. t9 d
NULL,: a: [; b) ?$ q, B# C/ c0 K0 T0 r! c
&ei,1 O5 G6 Y7 ]: E
&uiErr);* V c$ `/ x! u G+ [+ z1 F* `
5 d4 R: n% \8 ~0 n3 m SysFreeString(topicStr);6 E7 Y( O2 k3 P! A. y- O4 Y
SysFreeString(itemStr);
]9 M0 @$ M: ]/ _4 p SysFreeString(valueStr);
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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???
4 C$ W0 q/ m& ^' E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
" ?+ M' K+ j, o" E" ]// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
1 M/ S, H$ R3 D$ S+ s+ E: M3 b5 B( V// type flag to indicate the fact that this variant holds a BSTR. Place the2 G* u1 _. X1 z& V8 f- g
// BSTR into the variant structure.# `7 W; o) z* m% N$ Q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ I9 z3 j: P/ e1 J3 R
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, z* n3 e% f( L' h" x
VariantInit(&requestVariant[0]); 1 m8 d8 h4 ^% x/ X
requestVariant[0].vt = VT_BSTR;
! s& P9 j) [* H3 i0 Q D requestVariant[0].bstrVal = itemStr;
3 `2 V$ e2 b& E
! x$ y7 V- i- l* X topicStr = SysAllocString((WCHAR *) L"system");' t+ F% H$ Y3 D2 d1 @: a" h
VariantInit(&requestVariant[1]); # a- e* h' O3 O
requestVariant[1].vt = VT_BSTR;+ E' `( Q4 {6 K: |; f+ ]
requestVariant[1].bstrVal = topicStr;8 E" q: h, s0 X. s+ u7 y
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// Set the DISPPARAMS structure that holds the variant.* B$ X- {4 t7 l
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dp2.rgvarg = requestVariant;
/ z8 K# T' g& [$ n8 k9 C2 I. P1 j dp2.cArgs = 2;
& Y T' w3 U) f5 f dp2.rgdispidNamedArgs = NULL;
/ Y& @+ x" {5 z8 x; ]9 I ?' E* q dp2.cNamedArgs = 0;
! k5 Z$ T- V! k& W4 [ q4 Q
1 Q! ~7 Z2 z- Z5 |; ] var.vt = VT_EMPTY;$ n, S! _/ J5 X
( e, U$ A$ w& Z, l6 {/ @5 F* ^// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(1 U7 d' y) P4 f* q3 v: Z
requestID,
4 Q' W: Y$ L( l; d# n" O IID_NULL,
; z2 B: O3 ]) T8 b LOCALE_SYSTEM_DEFAULT,
9 q, ^. C' C6 @9 k$ O9 r# ~8 e DISPATCH_METHOD,
; s8 V8 v' T9 |" s &dp2,
, t* W- {: E. ~: H" A &var,4 `7 r" N3 `% g
&ei,& ]! ]: R$ u! q
&uiErr);; I8 O7 j7 H1 n3 }
3 J( C: a2 k' _4 e$ x3 t3 c SysFreeString(topicStr);; P8 Z" q& |6 t8 J) R
SysFreeString(itemStr);
( @& ~9 J- E4 u请问该程序是获得extend里面的哪个值?
4 }3 b1 z6 H# J- x% ]* |( k1 ^# y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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