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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:
# h! W9 U8 {9 S& D& M- N3 @Name = (WCHAR *) L"Poke";
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) D- o( w- N+ N0 X6 X3 @5 A hr = m_pDisp->GetIDsOfNames (9 B7 A' ~* t8 g
IID_NULL, // reserved
- I, m+ J/ H# P& {! _ &Name, // Array of names to get IDs for
3 P, x6 q U& |1 \ 1, // # of names in the array
5 D- t( |& \4 S+ J LOCALE_SYSTEM_DEFAULT, // System locale
/ x+ ^1 u- U7 f- V1 H2 f &pokeID); // Array of IDs to fill on output
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: M2 g2 [: T/ X8 [3 S if (hr)2 j- H' j8 b$ W! A7 v2 c
{& ^' H! _* r$ |" ]5 f
MessageBox ("Get Poke Unsuccessful");7 |5 m7 v d6 ?0 q
return;0 ?' U0 K1 ^1 n0 [" V
}
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/**************************传递数据给extend**************************************/
6 m/ ^' d1 d5 j4 N9 I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 q- Y/ e @ E8 n, D( [9 e3 B
y) n) G+ a4 ^+ X# d2 R0 Y) M; P. K valueStr = SysAllocString((WCHAR *) L"1232");
: S9 S6 J/ \% v8 o& o0 z VariantInit(&pokeVariant[0]); / m [2 h: j8 ]/ ~( [3 u. m+ v
pokeVariant[0].vt = VT_BSTR;
' N! x1 A# ~, a& M+ E1 Y3 t pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. A7 s3 n1 }, v! X! ]6 ]3 ?2 N VariantInit(&pokeVariant[1]);
9 Q) B2 n E5 w3 T- X pokeVariant[1].vt = VT_BSTR;/ V( s/ D7 b5 }* w4 u
pokeVariant[1].bstrVal = itemStr;9 J' [& ^! m! h( T5 }
7 D+ K$ ?# o1 s; `" }
topicStr = SysAllocString((WCHAR *) L"system");" l/ P5 Q% o( [0 d( u2 S# _
VariantInit(&pokeVariant[2]);
' E8 }$ `' T# ^: E3 a: T pokeVariant[2].vt = VT_BSTR;( q( I, @5 I5 E. s
pokeVariant[2].bstrVal = topicStr;' d { t4 ?7 y/ }1 r( g& C
, S' J5 L. O- f9 \8 D- {: j: Q// Set the DISPPARAMS structure that holds the variant.
# m1 s" H9 {7 {& x, i
7 t9 |& _' _' q- J5 U; b$ z dp.rgvarg = pokeVariant;' w X9 j8 |* ^' K6 X& U" c
dp.cArgs = 3;
4 w) M/ N- v" h2 D# Y% f dp.rgdispidNamedArgs = NULL;8 O6 k7 L0 H, z7 g) O, n. @
dp.cNamedArgs = 0;
# n( m6 t) @: u% x
2 l* ?+ n0 p) B) _: G# h! c }. \// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* {3 O6 ?* j+ T: Q" z
pokeID,
U! _1 K! S! Q' s( L2 f/ J IID_NULL,
* c, T6 U- Z& R; ]+ t; q+ p4 o LOCALE_SYSTEM_DEFAULT,( A9 I. l% M* y5 ]& V7 o
DISPATCH_METHOD,( W) t; S; ]! y2 r# W7 y/ y' @
&dp,) g v, d# F1 v& n1 f
NULL, e/ I# H/ S& k6 o$ w9 y
&ei,* w. v! x$ r* X
&uiErr);) Y! S8 E9 _3 W1 c/ l1 ^# g
4 B4 r. v+ u/ b$ \ SysFreeString(topicStr);7 t g4 t+ Z8 d) \* T( ?
SysFreeString(itemStr);
~9 p- A1 |" b+ P, ] SysFreeString(valueStr);# [9 s: Y# v# t) S
, |0 r" P/ K' J! Y' j5 o
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???( {' ~% D2 E( Z3 M; ^. F n/ }
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????1 F7 r6 x+ |. ], w" w
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4 z, x: N+ `( s/ v
2.这是request的程序
1 \+ K! V0 S' d. m9 J0 h// Request a value from Extend
% A& @( Z5 s% W h) _//
9 u8 { _3 l; \5 X6 E9 @# a// Initialize the variant that will hold the BSTR. Set the variant's6 P7 _0 B1 ?, O& p7 }2 o
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 t$ r+ l3 E; ?9 Q8 B- \1 c// BSTR into the variant structure.
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- y0 C! Y( @+ k4 l* ~8 b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); e: ~4 P0 a' `2 T/ c
VariantInit(&requestVariant[0]);
0 ?' l! x U, H; s2 L requestVariant[0].vt = VT_BSTR;
* N6 o) u; ]3 z5 S1 W/ @4 F" N1 i8 Y u requestVariant[0].bstrVal = itemStr;2 T$ g# Z$ [( {0 H
W6 K2 y7 j/ G
topicStr = SysAllocString((WCHAR *) L"system");3 C0 X; @' K Q9 `7 o
VariantInit(&requestVariant[1]); a" |6 ?( v" s, Q4 |. i. Q
requestVariant[1].vt = VT_BSTR;
+ _5 C! u" [, | requestVariant[1].bstrVal = topicStr;: @% `2 k4 Q# I4 P+ |
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// Set the DISPPARAMS structure that holds the variant.2 q) D" [3 k$ F: A
$ V" D9 s$ a _ dp2.rgvarg = requestVariant;
6 v) g! E1 r, W6 h- j- {4 m* e dp2.cArgs = 2;
1 @2 `4 z& b2 g dp2.rgdispidNamedArgs = NULL;
( {( P8 L6 G& B+ E6 a/ _ dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;5 i# V2 x4 b: N0 n( K
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// Call IDispatch::Invoke()
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. _, |8 s: U$ p& w7 A) d; C/ e hr = m_pDisp->Invoke(7 ~/ i* h8 e9 a" [
requestID,9 s6 y5 f _# w. k8 D8 x4 s
IID_NULL,$ p, n4 O, e- R N% D* r
LOCALE_SYSTEM_DEFAULT,; v: U) Q% Z5 ]* ^
DISPATCH_METHOD,
# \2 w" ]7 j0 d+ R5 E( I &dp2,3 x9 O2 P6 {8 }& W% C2 |/ q
&var,/ H. i8 t8 \: V
&ei,, q! f! R6 ^' V
&uiErr);
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SysFreeString(topicStr);
( w# d% a+ o5 E- L$ Y) W4 T SysFreeString(itemStr);5 `0 h4 v! X; J' a# J
请问该程序是获得extend里面的哪个值?
+ E5 w0 q4 B. V+ T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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