C 操控 條形碼掃瞄槍

對於這樣類似的資料，平時覺得沒有什麼，但是當你遇到時一時找不到還會有些著急，所以收藏了。。。。

**

//

條碼掃瞄器
//using
system;   
using
system.collections.generic;   
using
system.componentmodel;   
using
system.data;   
using
system.drawing;   
using
system.text;   
using
system.windows.forms;   
namespace
readbadcode   
private
delegate
void
showinfodelegate(barcodehook.barcodes barcode);   
private
void
showinfo(barcodehook.barcodes barcode)   
);   
}   
else
}   
void
barcode_barcodeevent(barcodehook.barcodes barcode)   
private
void
frmtest_load(
object
sender, eventargs e)   
private
void
frmtest_formclosed(
object
sender, formclosedeventargs e)   
private
void
textbox6_textchanged(
object
sender, eventargs e)   
}   
}   
}   
barcodehook  類相關**：
using
system;   
using
system.collections.generic;   
using
system.text;   
using
system.runtime.interopservices;   
using
system.reflection;   
namespace
readbadcode   
private
struct
eventmsg   
[dllimport(
"user32.dll
", charset 
=charset.auto, callingconvention 
=callingconvention.stdcall)]   
private
static
extern
intsetwindowshookex(
intidhook, hookproc lpfn, intptr hinstance, 
intthreadid);   
[dllimport(
"user32.dll
", charset 
=charset.auto, callingconvention 
=callingconvention.stdcall)]   
private
static
extern
bool
unhookwindowshookex(
intidhook);   
[dllimport(
"user32.dll
", charset 
=charset.auto, callingconvention 
=callingconvention.stdcall)]   
private
static
extern
intcallnexthookex(
intidhook, 
intncode, int32 wparam, intptr lparam);   
[dllimport(
"user32
", entrypoint ="
getkeynametext
")]   
private
static
extern
intgetkeynametext(
intlparam, stringbuilder lpbuffer, 
intnsize);   
[dllimport(
"user32
", entrypoint ="
getkeyboardstate
")]   
private
static
extern
intgetkeyboardstate(
byte
pbkeystate);   
[dllimport(
"user32
", entrypoint ="
toascii
")]   
private
static
extern
bool
toascii(
intvirtualkey, 
intscancode, 
byte
lpkeystate, 
refuint
lpchar, 
intuflags);   
delegate
inthookproc(
intncode, int32 wparam, intptr lparam);   
barcodes barcode 
=new
barcodes();   
inthkeyboardhook =0
;   
string
strbarcode =""
;   
private
intkeyboardhookproc(
intncode, int32 wparam, intptr lparam)   
);   
}   
else
byte
kbarray 
=new
byte
[256
];   
uint
ukey =0
;   
getkeyboardstate(kbarray);                                           
if(toascii(barcode.virtkey, barcode.scancode, kbarray, 
refukey, 
0))   
if(datetime.now.subtract(barcode.time).totalmilliseconds 
>
50)    
else
strbarcode 
+=barcode.chr.tostring();   
}   
barcode.time 
=datetime.now;   
if(barcodeevent 
!=null
) barcodeevent(barcode);    
//觸發事件   
barcode.isvalid 
=false
;   
}   
}   
return
callnexthookex(hkeyboardhook, ncode, wparam, lparam);             
}   
//安裝鉤子    
public
bool
start()   
return
(hkeyboardhook !=0
);   
}   
//解除安裝鉤子    
public
bool
stop()   
return
true

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對於這樣類似的資料，平時覺得沒有什麼，但是當你遇到時一時找不到還會有些著急，所以收藏了。條碼掃瞄器 using system using system.collections.generic using system.componentmodel using system.data using sy...

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