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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:6 W+ l# g3 q0 j; e% Q8 P% T
Name = (WCHAR *) L"Poke";: S% Q! |/ a* u) q. T
! F' Z8 ~6 e% X" e hr = m_pDisp->GetIDsOfNames (( Q) |6 F% P4 y! r; m3 D
IID_NULL, // reserved9 U8 y6 i' B/ f V
&Name, // Array of names to get IDs for% h: a, _! J" k7 w+ z* g
1, // # of names in the array7 `; O, n7 P# S9 O
LOCALE_SYSTEM_DEFAULT, // System locale
, ]9 b' a; r; L &pokeID); // Array of IDs to fill on output: V' E: t4 c( k- ^# L' N1 A
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if (hr)) y0 t8 E3 F2 a
{
/ v* B0 O# Q& H* q MessageBox ("Get Poke Unsuccessful");+ Q+ ]5 h+ n6 R: F
return;
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" V: O# r! f4 u) @, C& e2 y/**************************传递数据给extend**************************************/0 {$ v) {: ~! l) w* j7 i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 U. |" W4 k# {$ d, l. {; v6 N
- V# E- U( I/ {# [; L8 G/ A! ~3 z valueStr = SysAllocString((WCHAR *) L"1232");1 V' R; b6 ]; p* N. j/ z) x
VariantInit(&pokeVariant[0]); 4 d$ M9 B, D* p8 l
pokeVariant[0].vt = VT_BSTR;
% a, D" e+ R: a$ s1 O' @ pokeVariant[0].bstrVal = valueStr;$ _! b% d, ?% b0 X5 x
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! C5 ]: w2 F" j E9 x7 e
VariantInit(&pokeVariant[1]); ' H, j% @ o/ x5 m2 G* | h2 l
pokeVariant[1].vt = VT_BSTR;: F8 y, I8 P) ]/ a X6 Q, N
pokeVariant[1].bstrVal = itemStr;2 b/ B3 y8 A# C
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topicStr = SysAllocString((WCHAR *) L"system");" u# D8 L0 `/ \ a' {6 y( Z& x
VariantInit(&pokeVariant[2]); 8 o9 N. H" } h+ C5 I2 l* V' B7 T
pokeVariant[2].vt = VT_BSTR;
6 W! a( k7 h" ], L( x pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.! o/ Z, l. o2 o8 N
9 T9 ?. H6 g$ n5 V4 C v dp.rgvarg = pokeVariant;/ Y5 o0 G; e+ L4 y/ i Y# n1 P
dp.cArgs = 3;% @% P g5 l3 v
dp.rgdispidNamedArgs = NULL;% q0 t! _) ~% l1 N" S5 i+ L
dp.cNamedArgs = 0; w$ j. @/ a8 O, ~
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// Call IDispatch::Invoke()
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: l: a+ O/ C. F4 L0 ?9 R7 L) A3 n hr = m_pDisp->Invoke(4 I N( a& k1 J3 U' C) d! s
pokeID,
' ?; a6 z* W/ ?- _7 |7 ] IID_NULL,( d9 A$ x/ ]4 G3 X! X( c
LOCALE_SYSTEM_DEFAULT,% U& W2 `- ~/ v2 p
DISPATCH_METHOD,
- T, S! n+ p; i2 l &dp,
% _) ~" l4 _& l$ N$ @. n NULL,6 c9 R; l! o/ E1 t0 r7 s- z/ d$ n
&ei,
- j% ?" Q8 C8 { &uiErr);4 Z$ q4 B _* a
& a* @3 t. D5 I
SysFreeString(topicStr);) e- O1 q% B3 A" `3 t
SysFreeString(itemStr);
9 L1 f- O! g/ }# ]& b0 s z6 U& Y SysFreeString(valueStr);
& a: U' ?& R, \4 E e
" s% f3 C( g; E. p4 C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???3 ]( m: P+ `6 y$ I
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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* k/ Z$ v r3 ]% {: Y2.这是request的程序
6 L% w9 b4 [6 u+ L// Request a value from Extend
z8 F) w# y8 v+ v//
6 g: T0 n- p* o, ]! L' ~& M0 g// Initialize the variant that will hold the BSTR. Set the variant's
' n- H+ w- e* k6 N* ]// type flag to indicate the fact that this variant holds a BSTR. Place the4 @5 f& Q* C1 `( x" K
// BSTR into the variant structure., v1 Q- n% R- `" v, w; i6 A; E% ^/ h
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 O: I) Y0 {- G5 G7 J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: N& P' b {) d2 A k/ B
VariantInit(&requestVariant[0]); * L* ~- Z# k. [% S
requestVariant[0].vt = VT_BSTR;
: r+ ?1 {9 S x$ u+ X requestVariant[0].bstrVal = itemStr;
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, ?- x$ J Z. g* T% ` topicStr = SysAllocString((WCHAR *) L"system");
$ S/ C0 a' P* o, _( \1 l/ g- u VariantInit(&requestVariant[1]); 4 f; m4 C/ N i* {
requestVariant[1].vt = VT_BSTR;
9 q; L; S0 a7 \& R9 {9 o( S% l" j requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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& a0 ?5 S! n. ] dp2.rgvarg = requestVariant;3 j2 [+ d* o( o/ D+ o- ?; c8 H
dp2.cArgs = 2;8 W8 \8 }4 }. Q& q3 P" m O9 u* R
dp2.rgdispidNamedArgs = NULL;2 l/ V6 Y) @4 r" F5 S+ ], Y) |% ?
dp2.cNamedArgs = 0;& T2 n" I1 i- n9 X' v8 F3 }
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var.vt = VT_EMPTY;
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, j3 b3 }6 L4 D( F: M- L4 O// Call IDispatch::Invoke()
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) ^2 t, T" c8 ^; p3 F hr = m_pDisp->Invoke(7 p/ H1 u' v3 @) b& F& o" B
requestID,
* u3 V1 T' m: N# {, M2 l6 T% Q IID_NULL, ?6 |% s6 f8 |8 z
LOCALE_SYSTEM_DEFAULT,- @/ E2 c) E q5 T" F \2 e
DISPATCH_METHOD,( {" n4 C* p* ^8 k
&dp2,
, ^! b: [# c' j &var,/ \! Z+ l* M1 M5 R5 ^
&ei,
( o9 K5 K, R" ], W7 g# G &uiErr);
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3 p: w7 p. f" n x SysFreeString(topicStr);
2 I% K) h3 M* @! y# _7 O SysFreeString(itemStr);
. u0 O% W5 j% P* O' E请问该程序是获得extend里面的哪个值?
+ W& m1 \- V' O' r0 d3 G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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