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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: B& }- Y8 p4 x6 i. |
Name = (WCHAR *) L"Poke";
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7 D1 f2 G, x0 ]+ D5 g9 M hr = m_pDisp->GetIDsOfNames (
+ w8 t* P! G# `9 b1 j* ? IID_NULL, // reserved" d7 Q+ Y- f: }4 z
&Name, // Array of names to get IDs for
5 i& Z6 C* j! b) x( b5 ?# K 1, // # of names in the array# m! k1 R( k1 y5 ~) |5 G
LOCALE_SYSTEM_DEFAULT, // System locale
! i0 k( M7 o0 I6 P! A/ C# x &pokeID); // Array of IDs to fill on output9 G; C9 \' B; z
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if (hr)+ i, v, l( [# V, W' M* ~
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MessageBox ("Get Poke Unsuccessful");' F @! w2 S3 e' l
return;6 j1 N4 @# |/ `8 i0 D& A* V
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Y( g2 s7 m8 X* N: n/**************************传递数据给extend**************************************/. n3 v8 Z6 r4 N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 R1 E& F, l& s5 N' T0 Z
# C8 J9 m9 ]7 J/ H) t valueStr = SysAllocString((WCHAR *) L"1232");
" }( Z/ f! ^, H' ]8 W VariantInit(&pokeVariant[0]);
' \% T6 C& k' D. l$ F# F4 Z" i7 W pokeVariant[0].vt = VT_BSTR;& A, i/ i7 M: U; t8 b
pokeVariant[0].bstrVal = valueStr;* b# R1 R3 k) T5 R& }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* o4 ^- i/ f" w! m% n VariantInit(&pokeVariant[1]);
0 q! @( r& }$ r. g" C3 G3 f! B" M" x pokeVariant[1].vt = VT_BSTR;
4 t0 L4 v0 @. h4 ^+ m/ T% U pokeVariant[1].bstrVal = itemStr;8 [4 ?! W# L& E! B. G$ r+ F
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topicStr = SysAllocString((WCHAR *) L"system");. X6 k4 |. i" @: \0 @
VariantInit(&pokeVariant[2]); 3 s( W) Q! ?3 t+ L) i+ B" E* a
pokeVariant[2].vt = VT_BSTR;4 O W+ z# g7 j
pokeVariant[2].bstrVal = topicStr;
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. L5 K! Z% |" T& r5 W// Set the DISPPARAMS structure that holds the variant.% y: P8 n/ ?3 g6 \# e7 G, L
8 f( z+ G% @( C" g$ C+ j; k* Y, [ dp.rgvarg = pokeVariant;
8 _0 m7 i1 f: y dp.cArgs = 3;8 s9 \' P- A; x4 y# N( s' d# P) j
dp.rgdispidNamedArgs = NULL;% f; U4 M# K2 F7 j( v8 b: [6 N
dp.cNamedArgs = 0;8 ^* f* y N; ? m+ b- b4 t
4 ~! t" i6 U' ?' B( A// Call IDispatch::Invoke()3 ^) y( _0 w6 i' ?2 @8 E
( A. i3 A/ T# z, c7 B hr = m_pDisp->Invoke(
) e! w. L3 k! n0 i% R pokeID,/ z" b3 y7 q5 c2 k
IID_NULL,3 M8 u. _+ n2 E* J
LOCALE_SYSTEM_DEFAULT,* ~& F3 O4 N+ y) [2 f1 ~
DISPATCH_METHOD,% T* w- o- S# z7 A9 q
&dp,
1 ~% b1 A$ H" X& ^ NULL,. u- l- v$ ~% U8 ~; Y4 [: m
&ei,
I. V5 O+ Q% ]3 T* X9 B% Z &uiErr);
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SysFreeString(topicStr);
% C4 s! K( {# @9 u/ \ SysFreeString(itemStr);& ?3 t+ U2 M# J% ?3 h5 d4 j
SysFreeString(valueStr);- u- b+ V* b- i- h" J f/ V
' [8 n. s3 d2 E9 p) A. F
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???
1 _ d! n X) u- a: B" N$ ]; G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$ X( |0 I( n7 r
// Request a value from Extend- }/ W& `1 G+ y1 O1 L! K4 p7 f; j! c
//! I' j1 H+ Q( F ~
// Initialize the variant that will hold the BSTR. Set the variant's
+ Q' ?; b3 t; N2 ~+ e// type flag to indicate the fact that this variant holds a BSTR. Place the
( L# ~0 g# i9 b, Q6 n// BSTR into the variant structure.
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; o F% W' q9 c' T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. D1 c- t% i- Q% t+ d/ F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: \0 }. A8 ~6 [+ e VariantInit(&requestVariant[0]); % E$ A7 z$ {- Q- t0 E; p
requestVariant[0].vt = VT_BSTR;
. b& L2 v' N! I; v+ b requestVariant[0].bstrVal = itemStr;5 d. L" ^2 y5 Y e9 P9 j
- o( P! q. n' u* d topicStr = SysAllocString((WCHAR *) L"system");, z: N! E' o4 \9 b
VariantInit(&requestVariant[1]); : A! {2 } E$ o) T) m
requestVariant[1].vt = VT_BSTR;4 d/ f) I7 R2 r1 V# r/ ]6 z6 z
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* ~6 ~" P0 G2 ]( n7 Z( f
% A3 |: Q/ j9 V; ?* `. y dp2.rgvarg = requestVariant;
; E& ~" P0 M. H dp2.cArgs = 2;
8 [# h( D* r, q5 d8 M- j dp2.rgdispidNamedArgs = NULL;
S3 J K4 h9 a* {# |' H/ E3 d dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()) `8 q1 v- O: k! F7 M0 {4 n
/ h4 N4 I. n# B# f- M7 X hr = m_pDisp->Invoke(
. l+ w! I5 Q" f" Y; j9 m& } k requestID,
3 ?% q( d; G. ?! K IID_NULL,2 F. q6 ~2 D& r* U' g% L
LOCALE_SYSTEM_DEFAULT,
) u5 s2 ~( A3 |2 [7 P+ R DISPATCH_METHOD,8 T# B/ y% D) c4 _& ~6 m
&dp2,# i: Z ^$ p8 [6 u6 L- b* v
&var,
; |8 x* P" j n- k. G D% B &ei,
$ i0 t" j& s) o. L! O% T" o &uiErr);
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- H+ G7 N; m$ X+ P SysFreeString(topicStr);) z/ \/ ]2 Z% q) g/ y
SysFreeString(itemStr);
' M% i2 O( O F9 h: Q& v# v y请问该程序是获得extend里面的哪个值?
% e, }+ F/ s7 g( R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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