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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:
2 A" K; G) M7 |3 V6 D# E* K6 H$ C/ OName = (WCHAR *) L"Poke";
1 K, B* s7 F3 M7 F) ?: f
# O" _: a6 s y5 ` hr = m_pDisp->GetIDsOfNames (
. v3 E- X7 m t y4 {3 c IID_NULL, // reserved
, V0 @1 q0 C3 Q+ u8 q- w &Name, // Array of names to get IDs for0 y# b% ~+ N# u# g
1, // # of names in the array
: x- S( d: m, q7 d; Q, P H! c LOCALE_SYSTEM_DEFAULT, // System locale
; c) }0 T, L$ }: ^6 _, _ &pokeID); // Array of IDs to fill on output
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3 E3 L8 k; s# e1 r9 x8 _5 R if (hr)
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MessageBox ("Get Poke Unsuccessful");
5 @9 h8 V) G, h; l0 x! S: F return;
$ }1 }. v+ {/ S7 D8 d% h }
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/**************************传递数据给extend**************************************/
6 N) m8 ]4 D) g& \3 u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ f6 R8 `! E5 }2 X! F3 c# y8 @5 I/ L) l
$ S, ~8 i) A. l$ o5 A! N" O valueStr = SysAllocString((WCHAR *) L"1232");
: O# K$ K& T. Y2 q" _4 q0 _, i: [ VariantInit(&pokeVariant[0]); . Q2 f2 d1 z; ^! d+ i! l5 E
pokeVariant[0].vt = VT_BSTR;& r" Z1 B+ `0 [9 `; q
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ u0 h3 R( s8 P) ?: M& T VariantInit(&pokeVariant[1]);
* D) i/ n3 @8 Z3 T3 ^ pokeVariant[1].vt = VT_BSTR;
2 J; l9 L9 E- s8 d/ u Y pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' {* V: i3 }( P5 h( {6 X! o, l VariantInit(&pokeVariant[2]); 2 y( y: b6 R+ Q1 ]; @7 {
pokeVariant[2].vt = VT_BSTR;
, R8 O1 s4 X' ~7 F: p6 a4 m pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
% h% E( j+ g% ` dp.cArgs = 3;: ~' j Q. P& L$ L0 u
dp.rgdispidNamedArgs = NULL;
; P" `2 f7 W. D. d, Q dp.cNamedArgs = 0;: o6 I( O3 y4 A9 ^& Z. G1 Y8 S, t
+ h1 s4 t9 y5 P) l& [, I
// Call IDispatch::Invoke()4 \9 w6 q; z' f4 ^- R% j
' |9 i# Z; w, c+ {+ H hr = m_pDisp->Invoke(2 q9 ]3 k2 b5 q1 H$ @
pokeID,
9 A( K: Q4 l8 ]& f IID_NULL,
9 r' `5 ~+ c- R8 r2 w LOCALE_SYSTEM_DEFAULT,3 ]9 G0 I$ ?) g3 X
DISPATCH_METHOD,
+ X/ R0 V6 r/ b% I! ~7 C: B) v2 g &dp,, I* D+ j2 C5 T( q# f2 N7 ^# Y
NULL,
8 ]' Y4 |+ J+ {- Z5 ?. q0 m &ei,
' j5 T. @2 Y9 M# k r+ f &uiErr);
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SysFreeString(topicStr);
: x5 F( k K" X* z9 w b/ p SysFreeString(itemStr);6 a% A1 O& n# @" _/ R: _
SysFreeString(valueStr);
+ u5 A: N+ \4 v I7 m' m( r( u! j1 y! W3 f% } N/ {- s; y
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???1 i1 U4 Z) D: G2 }; `
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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& r* Q# K( ~* _, y2.这是request的程序
' H; S" Q( {0 c. ], U// Request a value from Extend
( Q* s' g* H7 V$ t//
3 N( I0 q/ S! R! M* x% n! t6 k& k// Initialize the variant that will hold the BSTR. Set the variant's
# I! g1 L) J5 t! z// type flag to indicate the fact that this variant holds a BSTR. Place the
( J5 g9 d9 \9 t// BSTR into the variant structure.
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! Y% I! j! u2 ?$ w; t0 e- X requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& I; q' j2 [+ e" J+ R1 V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 H; f6 t' g( z. _
VariantInit(&requestVariant[0]);
/ K* B0 X* J9 J D& m* f7 s8 G requestVariant[0].vt = VT_BSTR;
6 V( l. B$ ^* _- { requestVariant[0].bstrVal = itemStr;) D( q/ ?: V' a% N7 ?# Q& n
0 f* _5 ]/ }! h6 C+ E8 z topicStr = SysAllocString((WCHAR *) L"system");/ Z3 z3 }' b6 r8 N2 {1 O( P
VariantInit(&requestVariant[1]);
; ?% ]2 ?! A8 T requestVariant[1].vt = VT_BSTR;
# T. H/ o6 k+ M+ S7 e+ v1 e requestVariant[1].bstrVal = topicStr;; q0 I5 o ]" V4 W3 T
1 K! ?9 O6 V6 v& w+ T// Set the DISPPARAMS structure that holds the variant.% k/ x6 S' e- ~; e* b" h7 @. @' }' c# `0 t
R' [- f9 L2 w( W dp2.rgvarg = requestVariant;
' O# f5 k: F8 M% m g8 N k dp2.cArgs = 2; D6 v, H$ F1 s! r1 x
dp2.rgdispidNamedArgs = NULL;$ N$ u& K$ _, E8 |
dp2.cNamedArgs = 0;- c# g3 h F) A/ o U W
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var.vt = VT_EMPTY;" M7 s/ L! F" _2 X
+ Q1 D6 E3 ~. b8 z// Call IDispatch::Invoke(), V9 \# i2 Z7 ]# ~5 H' F
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hr = m_pDisp->Invoke(
`5 S4 x- E, C2 |% B. U3 } requestID,' m* `4 j' n' G1 q# H+ t
IID_NULL, V- P) J' i, [9 o% h! g7 A
LOCALE_SYSTEM_DEFAULT,6 L4 `1 A+ t9 X; z/ H; Z1 V% X. O- U# ]( E
DISPATCH_METHOD,' `- v/ W' x6 f# g
&dp2,
- P, w# h, g% n3 `7 I: S% e &var,
( C) x% g/ r+ f, l+ \" I; j &ei,
: a3 W9 c" X( J, M: Y &uiErr);
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SysFreeString(topicStr);) O; H* h3 T; @' F8 w! l
SysFreeString(itemStr);
' R2 ~) g; k* H5 ^1 m7 c: f请问该程序是获得extend里面的哪个值?8 E, @7 z' I; l6 B p+ \
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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