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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 i h- n6 v- V4 ]Name = (WCHAR *) L"Poke";
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4 _5 o% s6 F% M) r) N5 c! @ hr = m_pDisp->GetIDsOfNames (
1 M1 U8 ^! X, n* E6 a2 F. w( P; G IID_NULL, // reserved
+ U# K- q9 U4 n# A. X$ N &Name, // Array of names to get IDs for
1 ^. C) |( n1 l. x7 }; i, D. | 1, // # of names in the array8 | |# G c2 A4 I1 U5 n0 D
LOCALE_SYSTEM_DEFAULT, // System locale% N1 r: _( v; Y D: ~7 \ }
&pokeID); // Array of IDs to fill on output
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' N& K+ ^$ r9 v6 M9 v if (hr), \5 W4 w) Q& M$ a K2 C* n
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MessageBox ("Get Poke Unsuccessful");
, C3 [( m2 I. V return;
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/**************************传递数据给extend**************************************/
1 o' R, M& y! { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; D( G1 h8 }2 a, L0 a5 ]
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valueStr = SysAllocString((WCHAR *) L"1232");2 r$ A) V# x- ]% N \1 C
VariantInit(&pokeVariant[0]); ' k* t# J/ g Y) |& A+ [5 E0 {
pokeVariant[0].vt = VT_BSTR;4 q- {% f4 P- p( R3 N
pokeVariant[0].bstrVal = valueStr;
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1 x" H1 _+ y4 O2 L; b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) U e5 Z: f8 i1 e# ], X/ N
VariantInit(&pokeVariant[1]); # r5 ^ Q1 w3 }/ ~
pokeVariant[1].vt = VT_BSTR;
; P5 S& c& m2 h! G1 e pokeVariant[1].bstrVal = itemStr;
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% Q1 l Q z9 {7 C; Q$ g) l topicStr = SysAllocString((WCHAR *) L"system");. i% \0 k+ L) n# J# o; `
VariantInit(&pokeVariant[2]);
: E9 o$ s3 B, j- } pokeVariant[2].vt = VT_BSTR;, Y- B! x5 g! X5 A$ Z
pokeVariant[2].bstrVal = topicStr;
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$ H3 d- A E3 E( f// Set the DISPPARAMS structure that holds the variant., a3 H3 |, L/ T% S/ ~7 H
1 I% H/ Q) w) M% n6 O; {
dp.rgvarg = pokeVariant;' s/ T3 N- v/ H- y
dp.cArgs = 3;: f+ k; N2 v: V! ^" ~- Z
dp.rgdispidNamedArgs = NULL;
! N9 Y1 t( X6 Z/ i0 }. } u; g" U dp.cNamedArgs = 0;
* F5 @! S; _3 O% \" `! `$ ~9 ]0 h- R3 y2 |& q; r
// Call IDispatch::Invoke()* t# H2 a$ Z3 b6 J- _0 L0 e
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hr = m_pDisp->Invoke(
; L, `. |" Q3 I, m& z pokeID,, F. T7 e9 v- \8 F
IID_NULL,
0 S |% c. E; z) Q LOCALE_SYSTEM_DEFAULT,
! y1 P9 O0 ~4 V' d0 K; S9 ` DISPATCH_METHOD,9 h. x: u- ]1 Y
&dp,
- r) v$ C5 l. D! I NULL,& F. o- T9 F) m8 I+ H
&ei,& Y& T" \8 Q& s' g# X
&uiErr);
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SysFreeString(topicStr);5 V8 Z6 \! K# a- r# j, I. f
SysFreeString(itemStr);
# y. k4 H' v* W SysFreeString(valueStr);, c7 M1 i1 F& T" F$ F
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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???8 t o3 y% o( f% x
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+ v, Y* x4 {7 p/ s+ v- }' G
// Request a value from Extend
9 k* S, N3 a- i1 j/ J: }//
. M3 ?: [2 L: Z/ ]- P// Initialize the variant that will hold the BSTR. Set the variant's
) @5 y! Z. q0 y// type flag to indicate the fact that this variant holds a BSTR. Place the T4 j9 l, Y8 l1 J3 i' B( |& r3 s
// BSTR into the variant structure. t. s8 n4 Z p5 }
. P" g/ `/ |) D9 @/ ^& C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* o# B, G, t7 m1 m5 ?
: G+ {2 X$ [! F, Z" ]& r7 L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* Y7 C5 \7 j( H4 n, y @
VariantInit(&requestVariant[0]);
2 e! K% a3 Z* j" N! Z4 u requestVariant[0].vt = VT_BSTR;; z L' Y) C' K. ^' E
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");4 T6 P0 B3 R2 b% k T3 t; ]
VariantInit(&requestVariant[1]);
+ c6 h F1 {! ]6 n/ u* Z2 p requestVariant[1].vt = VT_BSTR;7 W, @% F% W. k6 w" U
requestVariant[1].bstrVal = topicStr;, h' ^/ T4 e2 a; f7 a- t: |' J" z
% v) a0 J4 ?( D3 @7 g0 v+ a// Set the DISPPARAMS structure that holds the variant." b8 ~' \5 o# v- M, |# G
0 h6 G: c) P1 ]% K$ \7 v( b dp2.rgvarg = requestVariant; p: l' D9 o0 S6 t
dp2.cArgs = 2;
" w% @ E9 N1 e9 s9 O dp2.rgdispidNamedArgs = NULL;
% Z- |0 \$ a* W! p0 R dp2.cNamedArgs = 0;' ^, J T# Z, }0 l) @
. c9 ]$ _1 }2 H0 L) {' N3 G var.vt = VT_EMPTY;
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5 t+ |0 @ i" p9 W! s- H& t7 _// Call IDispatch::Invoke(): w7 @4 h- T+ }6 o$ t, N6 O
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hr = m_pDisp->Invoke(
) |) B L4 B: k6 I6 g requestID,8 g( ~/ C+ h& }! A, A' H) b# u
IID_NULL,
% j+ ?0 b/ i$ ~* c! p* g5 a: G LOCALE_SYSTEM_DEFAULT,) I0 y1 I1 S2 ?" g, I
DISPATCH_METHOD,
6 R/ x+ C; Q' Z2 q( b5 W &dp2,
3 |7 a1 r% O5 c7 R+ r &var,3 Z7 ?" r8 m% n' Y$ p+ t
&ei,
4 f+ O; p# ~5 l" q &uiErr);
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' h4 W ]4 B, n9 L+ _ SysFreeString(topicStr);1 s* |; ^2 M' U& c
SysFreeString(itemStr);
' V) \1 f1 k1 n+ V5 c" G请问该程序是获得extend里面的哪个值?
( z+ j( ^4 G" W+ r# U/ B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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