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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:
4 y9 X4 h- g3 l* I% MName = (WCHAR *) L"Poke";
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6 z" {- T/ t) J- A8 n8 I hr = m_pDisp->GetIDsOfNames (
6 ^" S" b! }: P v! i! t; P' b' f8 o1 ^ IID_NULL, // reserved
% G; `* `) I0 }) U2 f _ &Name, // Array of names to get IDs for$ ]* t, e! E+ d* ]
1, // # of names in the array3 J; r, l6 Y5 ^( U1 M5 u: ?
LOCALE_SYSTEM_DEFAULT, // System locale4 j3 G* @+ G& X# O8 |4 f7 @* U
&pokeID); // Array of IDs to fill on output
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/ J1 \# t* b a$ u* H! A" S if (hr)6 y2 @" |* k, E8 Q
{
3 b' c/ z) R' w MessageBox ("Get Poke Unsuccessful");
. e2 _! Y: h1 `1 g; ~3 G, z0 \ return;
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7 N5 W5 B& X; t: {' Q# T4 J$ _/**************************传递数据给extend**************************************/, l8 ]5 I% M3 R' `: ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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: y g5 @7 U# Z$ N7 ]$ K S valueStr = SysAllocString((WCHAR *) L"1232");
3 \2 J! T% [; C VariantInit(&pokeVariant[0]); $ _6 U4 I1 n$ O" i4 e2 x' q" M
pokeVariant[0].vt = VT_BSTR;
( a- _: ^( e4 E2 y+ U, E* l pokeVariant[0].bstrVal = valueStr;
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+ J. B2 Y+ h. A3 A; U4 P+ r, h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ @) K0 w: W8 Z3 J! e/ K
VariantInit(&pokeVariant[1]); # G6 ^* _' v$ R% O3 E
pokeVariant[1].vt = VT_BSTR;( N- ~6 u& S$ E" i/ v
pokeVariant[1].bstrVal = itemStr;! E. Y% z* s7 M4 {4 L) `
* N- E1 o4 H( Z" m) r: S D( r1 G topicStr = SysAllocString((WCHAR *) L"system");' A. j. a* v) V8 z$ R
VariantInit(&pokeVariant[2]); % O5 S# Y( s- X, {) ^
pokeVariant[2].vt = VT_BSTR;; _; b) ~" @1 |* T) T
pokeVariant[2].bstrVal = topicStr;. G% E4 \+ X! D2 v6 [, z
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// Set the DISPPARAMS structure that holds the variant.# U- [0 m# `5 y; F* o
. M t4 ]) ~! y1 H, v0 | dp.rgvarg = pokeVariant;7 U( P6 c9 D* r0 Y- M: ]. y
dp.cArgs = 3;' L! A/ r& P6 d; j6 b3 `
dp.rgdispidNamedArgs = NULL;
0 O" i B8 c. L' Q dp.cNamedArgs = 0;4 t) T& Z8 w& W% L" w" R+ E) B6 P
5 p; @1 H( @' n! Z// Call IDispatch::Invoke()0 ?. O) ~/ v( Q
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hr = m_pDisp->Invoke(# `6 g7 c- G+ a+ H# I9 e
pokeID," F. u, l1 u2 k/ M! d3 S
IID_NULL,' K% G; K" [7 h3 t+ F
LOCALE_SYSTEM_DEFAULT,
C* N) L$ z' X DISPATCH_METHOD,; Q/ h$ A7 @6 z6 ]0 i" F7 B% a2 V
&dp,
3 o3 g; U* J! Z NULL,8 Z" s% R" Q- U
&ei,
; ^- z+ q" f8 Q &uiErr);
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# w8 W1 P0 U. v' P. a) W0 X SysFreeString(topicStr);
6 g3 f- ~! \- _" H* V9 C SysFreeString(itemStr);
7 ~% S. f' i$ L" d/ z0 z 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 G1 X+ A3 ~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????+ x' Q; e' G2 T7 e5 Z
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2.这是request的程序4 s5 \- u! _% f! c
// Request a value from Extend
* `. P/ W4 p7 x- J; @//
@+ O# H! e. l5 Z/ u5 G. a// Initialize the variant that will hold the BSTR. Set the variant's
9 i2 Y# ~- Z R6 t9 p3 }// type flag to indicate the fact that this variant holds a BSTR. Place the
1 i# s' v. U% f k+ S+ q// BSTR into the variant structure.
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1 I3 k5 h( Q. X F+ R J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 q0 h+ q- V8 U
VariantInit(&requestVariant[0]); # Z% y& Y% P7 ?( l' v2 D# c) }& w+ A
requestVariant[0].vt = VT_BSTR;
. F9 ]3 d5 G+ [6 x requestVariant[0].bstrVal = itemStr;* \* I3 U/ _ _7 ^) q
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topicStr = SysAllocString((WCHAR *) L"system"); g; v$ S1 u" \% G
VariantInit(&requestVariant[1]); ) F$ s/ C( s7 A7 ?9 G
requestVariant[1].vt = VT_BSTR;! y8 F {! a8 g6 r
requestVariant[1].bstrVal = topicStr;
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7 ]! g3 g7 o; n$ o// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. ^: N/ |4 h# y& Q$ i4 w
dp2.cArgs = 2;) Q4 Z' g& N& f4 m
dp2.rgdispidNamedArgs = NULL;' }7 ^1 B( h( x. j
dp2.cNamedArgs = 0; w+ X* A( s$ m% J
9 E; @2 {5 L: l* K& k var.vt = VT_EMPTY;
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+ ~6 e% G# W% v1 S S; U# N/ e% ?// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
- ?# Q* T( s7 W6 x4 q requestID,
/ ]4 i- A2 y; v1 A( z IID_NULL,
2 E, D& E5 j, B. o) \* | LOCALE_SYSTEM_DEFAULT,
q& _' ^- |( Y; n6 P' D$ C/ @ DISPATCH_METHOD,
8 J6 x. o2 {/ H4 t# \% z& N* P &dp2,
. u, X& r ^+ D I &var,
) C9 X8 d2 z) f( z &ei,
$ r4 Q- P" V8 _/ H) p &uiErr);
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SysFreeString(topicStr);
2 w* T1 V R; o2 S SysFreeString(itemStr);7 ^# W& ?, e0 \6 h5 U; u2 v
请问该程序是获得extend里面的哪个值?$ y6 U. \4 R# ?3 b% \% W; N' V
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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