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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; J; ^$ {8 [9 XName = (WCHAR *) L"Poke";
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. j& }# j# b4 b! W" s% C hr = m_pDisp->GetIDsOfNames (, b' @' _' {$ D
IID_NULL, // reserved0 T Q2 e" [# }$ }, W. `3 O
&Name, // Array of names to get IDs for$ l, m3 c: z; ]
1, // # of names in the array2 b( E# U( k% T
LOCALE_SYSTEM_DEFAULT, // System locale
. j/ q, f; w" s- M+ D0 e &pokeID); // Array of IDs to fill on output9 B% E) x/ q5 _" k" V
/ j. I% h9 d3 g2 t if (hr)6 A2 r) l/ q g& m3 k" P
{
( O; n3 q8 \4 g1 V! ]& v( i2 E MessageBox ("Get Poke Unsuccessful");
6 w5 r/ y6 d/ t) x2 s) a7 \9 S return;/ V/ |" m" Q7 G$ {1 D
}1 L- ?7 r1 @+ R+ u, f! m' M
; ^9 u' c& Q5 w6 o: m
/**************************传递数据给extend**************************************/
2 C: i/ \1 R( Y% x( y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 Z+ W+ S7 D% H2 V
/ v+ ], f8 o( Q- a8 |5 T6 j valueStr = SysAllocString((WCHAR *) L"1232");& n" Y% X6 e r& [, R: g+ \
VariantInit(&pokeVariant[0]); & i$ a* V- e0 \5 ?
pokeVariant[0].vt = VT_BSTR;
; a; K" N( g8 c' L/ G pokeVariant[0].bstrVal = valueStr;3 Q& C8 ]8 @. X0 n+ F
1 ` j, y! c* |+ ^; L( M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- L2 ?5 r; ]- z. d8 g* Z
VariantInit(&pokeVariant[1]); $ e' G0 k# C& Y; i& R
pokeVariant[1].vt = VT_BSTR;0 U2 e5 X) _; ^
pokeVariant[1].bstrVal = itemStr;/ K6 t6 S# C; K1 Q# }0 P
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topicStr = SysAllocString((WCHAR *) L"system");
3 K+ s! {" b9 u- Y; T( B VariantInit(&pokeVariant[2]); % k! f! S) u6 X( t/ D& ~5 I
pokeVariant[2].vt = VT_BSTR;( B* Z# }7 L; U9 B
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant." c7 Y. N/ o. {3 D
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dp.rgvarg = pokeVariant;
) G, q4 V8 m2 I* M E, D dp.cArgs = 3;- N/ M2 v" ?3 O
dp.rgdispidNamedArgs = NULL;* U7 r" ~; W3 m& k
dp.cNamedArgs = 0;1 z& Z; {$ h% D9 H" `& j, i
6 M; w( A" o7 |& n// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(4 J6 r6 p, s, K
pokeID,! f* E$ b; z i7 Q6 D5 ?% z
IID_NULL,
R! w- @# K9 B) Y& s6 Y LOCALE_SYSTEM_DEFAULT,# I8 g3 h( i8 |) f
DISPATCH_METHOD,
2 w& f7 Y1 T) C1 g2 u/ Y &dp,
0 z* K* G2 l7 q$ M NULL,
1 f# C6 c- l1 H F1 B, W/ Q &ei,- ^, M5 {0 ^/ J- D$ T! {
&uiErr);7 k0 v8 d2 T4 E2 t% h
+ C& w9 I% g! o4 R# k! p SysFreeString(topicStr);
w6 {' K8 @1 }. Y& `- m2 o' L SysFreeString(itemStr);
, I7 k4 B7 V, Z4 W7 D/ p SysFreeString(valueStr);
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) J$ u" L) F8 O4 O3 @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???- w% X% l+ }; [3 M3 J9 m
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????$ O0 T6 Y- V- i% z# C* t: ~
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4 k4 V3 h7 l/ H2.这是request的程序
' S& a; l5 L( T/ J3 O0 o. T+ H E" T// Request a value from Extend. Y& |( q5 D$ t) t7 S) B
//5 `) K; O$ W0 D" [
// Initialize the variant that will hold the BSTR. Set the variant's
2 f9 S. d6 e4 I# k// type flag to indicate the fact that this variant holds a BSTR. Place the: G, O* R0 z7 S7 j) g4 y$ |) w
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 e0 I3 U* y) N- w' L) G: Z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 P; `5 Z/ B) i& } t W3 b VariantInit(&requestVariant[0]);
. Q8 M- @+ x. F requestVariant[0].vt = VT_BSTR;: ]( M; ^8 @ v
requestVariant[0].bstrVal = itemStr;
& }( `3 t- F6 Y# q$ a2 o; i0 `0 c9 v: l( ^( M: H
topicStr = SysAllocString((WCHAR *) L"system");
# K! \/ e5 K! K$ y) }1 { VariantInit(&requestVariant[1]); 8 I- i- N( t' X* \/ Y$ {( O
requestVariant[1].vt = VT_BSTR;
6 J. A5 x2 e; k* t requestVariant[1].bstrVal = topicStr;
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& p* O' `& G: Y# C+ z// Set the DISPPARAMS structure that holds the variant.; U0 V0 o6 j6 _( l2 g
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dp2.rgvarg = requestVariant;
3 x% @ S v* Y+ F; z% n dp2.cArgs = 2;$ l( b9 ?# M1 E
dp2.rgdispidNamedArgs = NULL;
! T. p( i! R3 x/ A6 N0 Z. [5 z dp2.cNamedArgs = 0;
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* ]0 f5 T7 F0 @( ?4 { var.vt = VT_EMPTY;% X/ s5 j1 f; G( M
+ f8 b7 N( v) Q: a// Call IDispatch::Invoke()9 L6 P' \7 x3 Z4 G
/ [9 T, i- y* V$ S. t. q2 n hr = m_pDisp->Invoke(
+ C+ Y9 {, z3 @" ` requestID,! @& I# U) n* ^$ c( n
IID_NULL,
$ N1 _. p4 N6 N& e3 e/ V LOCALE_SYSTEM_DEFAULT,' I% ?: ?- [9 O n0 W8 I! C
DISPATCH_METHOD,
) E- C% P: q2 L/ b0 Z- l &dp2,3 E4 h% C. \$ V) Y* e) n
&var,
) |- D+ ^. ~/ E5 F& D! b &ei,
% A: p, R, e+ a( X &uiErr);
1 {# P( r5 e) f0 {' r; L
9 x, ^, \: F9 U5 E. O+ M' o3 N s+ m SysFreeString(topicStr);" B2 o+ X% k% @6 h* i$ [% o
SysFreeString(itemStr);
+ C" G Z x2 X: d" S8 ]9 l+ ^请问该程序是获得extend里面的哪个值?
7 n) N2 t; l9 B# z+ z+ J h6 \# I+ M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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