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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:
/ S) F, L1 O! V' uName = (WCHAR *) L"Poke";: }! s$ {# ?# {8 I' m+ f
& M( _( ?; f- B" O hr = m_pDisp->GetIDsOfNames (. V9 Z8 E* i0 m' ~
IID_NULL, // reserved
" n* Z y, F8 L, o. A8 y &Name, // Array of names to get IDs for2 a3 Z+ e7 O7 p3 p; K6 G) Y
1, // # of names in the array* ? C, z" ^9 H( {3 _; H
LOCALE_SYSTEM_DEFAULT, // System locale
4 H& G1 C, f0 ? &pokeID); // Array of IDs to fill on output
6 L, ^6 E0 N) T3 G( B. ?5 s+ H6 O
3 T; m% V* b1 L* O; N if (hr)9 U& i! ]" p7 v- e& v- b1 |# t
{
- U2 k+ f2 T. r MessageBox ("Get Poke Unsuccessful");
( Q& }+ }- D1 ]' @2 E return;
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/**************************传递数据给extend**************************************/2 w9 E! G+ k7 E& ~' O' H L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( A P: Q- n( p5 j$ z
+ c: W; d5 r M& J
valueStr = SysAllocString((WCHAR *) L"1232");
7 E* N8 L, t; L |; s8 ? VariantInit(&pokeVariant[0]); + f. h3 E5 v( H8 I& d( [
pokeVariant[0].vt = VT_BSTR;. }. X0 o1 H& X$ E/ \+ j3 ? M3 Q% k
pokeVariant[0].bstrVal = valueStr;
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1 @) O% c2 m) Y. l8 ~$ V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# a2 A( }& I d) M, Z$ `* a1 b
VariantInit(&pokeVariant[1]);
; n) }$ S1 |1 }+ y! h, Y pokeVariant[1].vt = VT_BSTR;5 `" ^) l; `9 V9 x! e5 }& }
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& c0 `: e/ J! p# g1 x
VariantInit(&pokeVariant[2]);
: ~' Z, b8 h( e1 `% } pokeVariant[2].vt = VT_BSTR;6 E4 l; N: E: N$ x a4 U: M' H- m
pokeVariant[2].bstrVal = topicStr;! f1 l) N [, \# O% \( E
+ W( |7 C% ]* }" ?# @: `5 |/ G# o// Set the DISPPARAMS structure that holds the variant.# K* n, \$ U' o
: @* b! t* ]& E# f4 Q dp.rgvarg = pokeVariant;) k$ w2 Q" |! R5 p+ S0 i- m) U4 l3 `
dp.cArgs = 3;
$ ]) `1 K; S6 j U0 F( k+ @- s dp.rgdispidNamedArgs = NULL;: U9 t* O. c. F+ u
dp.cNamedArgs = 0;% r# Z+ b ~- m9 K9 S) X
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// Call IDispatch::Invoke(): W2 a0 k" S& Y5 H. @4 N' ]5 \
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hr = m_pDisp->Invoke(
7 `" f; w+ k7 ^& M pokeID, o2 _1 R0 l: u* q& \
IID_NULL,6 o8 `8 a1 z4 D r' B6 c
LOCALE_SYSTEM_DEFAULT,$ @" G+ Q* i! m+ t7 m7 H7 @
DISPATCH_METHOD,
4 Y0 f8 L5 N, ~: C6 n2 a &dp,
: C% P4 `7 N w4 B1 b' y- L NULL,
$ s+ K9 f0 Y9 x. l/ f8 W6 p &ei,
% l U- m8 l; t/ ^0 e &uiErr);
# d C" H6 n: N- N( \0 V6 i
, D" a4 j' H: R7 \ SysFreeString(topicStr);7 l( l4 }& q4 b |
SysFreeString(itemStr);
! s* V: i; {4 j SysFreeString(valueStr);- x4 ]- \& l. _% Z
9 r! d0 }! y2 P. Z
现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???8 R0 s% U& ?7 b8 m7 Z
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????( r [# I* G' [* s1 F
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2.这是request的程序$ c0 X8 l5 x5 g8 m' g
// Request a value from Extend( C" }2 f# _# _. Z, G
//
! {* J" [5 c% s& K7 V/ K& s( k+ P// Initialize the variant that will hold the BSTR. Set the variant's, j3 G# v3 N9 l0 k# V- c3 i
// type flag to indicate the fact that this variant holds a BSTR. Place the: g. K. D. l8 |( i* j- U0 b
// BSTR into the variant structure.: N/ I @' {2 s- D: K( I- r
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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. m8 Z; X4 x7 u# J! I' \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" D. X/ ^/ I3 E- y3 d
VariantInit(&requestVariant[0]); 0 ~; l8 X" H* @2 i
requestVariant[0].vt = VT_BSTR;% a. i( T" K! o" \) G# b& @& f
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");8 j4 g, u$ a. P+ u- W; q. s
VariantInit(&requestVariant[1]); : f Z, G* r9 P7 C
requestVariant[1].vt = VT_BSTR; a, E* j! }& C# x! X: K
requestVariant[1].bstrVal = topicStr;
% I }9 v6 O' A
3 m9 U0 n* a! h' F9 C' K0 r) i! r// Set the DISPPARAMS structure that holds the variant.7 |* g) D# O& R8 G% O5 w8 L
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dp2.rgvarg = requestVariant;* ]5 q+ F4 z( F. c5 z$ |
dp2.cArgs = 2;
8 T5 o- u. }4 h8 j+ `# z( x% F( r- t dp2.rgdispidNamedArgs = NULL;& `. j" W, V5 Q$ D# Z0 T& {" H
dp2.cNamedArgs = 0;' F, H! Y1 q. ~1 E1 B- E5 g$ @
; U7 V5 s$ u! ?# ~ var.vt = VT_EMPTY;
- n# s# J: \/ x B! e1 m" V
5 Q& j" S" B& `( l// Call IDispatch::Invoke()7 \9 X" J' t6 G% D/ W$ [( U
# h* t' o7 k. [) x& | hr = m_pDisp->Invoke(/ u S) e: t6 D2 o
requestID,1 I% ~4 A2 H5 [# n/ x
IID_NULL,
7 h9 O. Y# B8 d0 i# U/ w LOCALE_SYSTEM_DEFAULT,* x- N: L M2 R0 y/ J' e
DISPATCH_METHOD,
" [, @" S- H- X" h &dp2,8 S; t4 _1 \& F( W$ O$ q/ T
&var,
- v0 S5 T# n+ \5 Y, C; c &ei,, j3 f. W, R& S9 d
&uiErr);/ F. C# T% j- A! B/ ~# v
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SysFreeString(topicStr);
( B2 X" Y, B2 S SysFreeString(itemStr);5 Y% b0 O/ Z' j1 f+ h
请问该程序是获得extend里面的哪个值?( Q( x3 l: h% p) Y& R% L
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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