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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