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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:
1 v3 N* m) E- i) ~9 ~9 a9 UName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (+ Z6 g. ]3 a3 c) ]6 w7 m5 f- h$ F
IID_NULL, // reserved: \( Z9 T' {% B2 x9 s$ N
&Name, // Array of names to get IDs for4 q8 w3 A) t. k' B0 V' H
1, // # of names in the array
/ d& l2 N" \) |9 F! m/ j% } LOCALE_SYSTEM_DEFAULT, // System locale
6 S$ A% \- k6 `6 h4 C7 _ &pokeID); // Array of IDs to fill on output
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if (hr)1 X7 c. M, s+ ?" }. ?
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MessageBox ("Get Poke Unsuccessful");
: b9 }0 q: F& w3 b return;
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# a! L$ u2 T4 M) q
& s1 v' d7 U% |5 u, ~/**************************传递数据给extend**************************************/
! ?4 y' V- K1 Z6 z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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2 _3 z. c6 S m& F valueStr = SysAllocString((WCHAR *) L"1232");
0 Q* Y* V1 x2 o. g# H% W; D' [4 K& l VariantInit(&pokeVariant[0]);
$ T$ d2 q8 s* j( g pokeVariant[0].vt = VT_BSTR;4 A; ?8 x, f: W8 ~: y6 _5 R
pokeVariant[0].bstrVal = valueStr;
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; V+ j' C# F/ |9 N" z( s: o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) w$ _" ?2 _4 F
VariantInit(&pokeVariant[1]);
0 L. }4 l0 d5 L- w8 \ pokeVariant[1].vt = VT_BSTR;
5 v, d" ], f* b3 h+ l9 U pokeVariant[1].bstrVal = itemStr;
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* ^3 k( ?+ Z0 t2 j1 [ topicStr = SysAllocString((WCHAR *) L"system");( B9 C" ]4 ^9 `/ y+ p' N X
VariantInit(&pokeVariant[2]);
& g; Z; z* e% W L V! k pokeVariant[2].vt = VT_BSTR;! @6 P( T. }' W9 C3 e& F8 V& `5 T
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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" z- t r6 ^' @: E9 R dp.rgvarg = pokeVariant;
- A: R* Y6 {& O7 i3 i dp.cArgs = 3;3 \" h0 l: P2 A5 z
dp.rgdispidNamedArgs = NULL; b# N3 h. y# d' {* ?8 m# [" t7 ~/ N
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()% O* S$ d% Y7 J& z, d
/ U! Q% p# K4 x* h, r5 P hr = m_pDisp->Invoke(- ^0 O- k; ?! m
pokeID,
( h" d/ _4 R3 S8 _0 u2 F" } IID_NULL,2 O9 q. o' g/ | x
LOCALE_SYSTEM_DEFAULT,! W! n: T/ b4 B' J# b; F4 i
DISPATCH_METHOD,8 C& |2 @% k/ ^3 |7 x- F0 z, x/ z
&dp,( X/ c$ r) c$ r' n+ t- W2 _$ l
NULL,
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&uiErr);
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SysFreeString(topicStr);* x+ o/ U6 A/ t7 s! g& r
SysFreeString(itemStr);- T2 u0 y/ E( J5 U8 }4 K2 C
SysFreeString(valueStr);8 U. W- _9 D. D
) p- T$ F$ R3 L L9 R: J- u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???
9 j0 R& H/ z: ^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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$ t7 m3 v3 E& g. [7 ~* o8 G
2.这是request的程序
2 z! x$ e# n- m# p8 f/ F// Request a value from Extend6 w8 o# S- o, ^- E+ Z2 L4 p
//3 V* S/ I' C6 f8 T
// Initialize the variant that will hold the BSTR. Set the variant's o) x" E, v% o% K) l
// type flag to indicate the fact that this variant holds a BSTR. Place the
" K+ C4 N2 w6 A9 N& W6 U* ^1 T$ Y// BSTR into the variant structure.+ M/ r' W6 ]! i3 B# e: a+ k
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 L# N% ^ {9 K0 c
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' t# N! i) ~4 w1 {4 o
VariantInit(&requestVariant[0]);
v, E4 E! G/ x" I requestVariant[0].vt = VT_BSTR;
5 G+ m7 Y0 Z% P8 a# j! u requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
+ }3 _) ~! D+ B$ [ VariantInit(&requestVariant[1]); % e1 N3 l7 Z& h1 W7 q
requestVariant[1].vt = VT_BSTR;5 I& @8 e& _! u
requestVariant[1].bstrVal = topicStr;' c1 [1 x2 Q5 l" P
2 v- X( |$ c$ v. {3 p// Set the DISPPARAMS structure that holds the variant.$ K, [& W% b% S. B) j
, X b. p* w+ i! B) [$ n3 Q dp2.rgvarg = requestVariant;" V7 L" c4 z2 {" W! `9 g6 l+ n
dp2.cArgs = 2;
8 L# B$ x4 i' O0 |$ M- `6 { dp2.rgdispidNamedArgs = NULL;
1 G: K$ O% j& Q dp2.cNamedArgs = 0;. C4 K& x3 e4 R* l$ P8 `5 }, M6 q% g
( g+ @. n; l" ^/ u; D var.vt = VT_EMPTY;
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, R( z) o5 I/ r0 W n f// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(# E+ x8 @% ~2 Y+ H
requestID,
4 k0 ^" o1 l0 X, { IID_NULL,- U( @# x I3 Y1 `% d/ j" E
LOCALE_SYSTEM_DEFAULT,( `# U& O5 O) U; k3 G0 Q5 E+ S4 a" V
DISPATCH_METHOD,9 _% N( w* S) ]' Q. Q
&dp2,' F$ d& D/ b9 t
&var,
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&uiErr);
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9 d* x: X7 D; v% U4 Y1 D- J# b3 y SysFreeString(topicStr);; I# Z: u- `# R! U
SysFreeString(itemStr);' C. L6 f# `5 r7 g
请问该程序是获得extend里面的哪个值?2 w! H7 d) e" K4 v+ 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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