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

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 sy...

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