imports system
imports system.collections.generic
imports system.text
imports system.runtime.interopservices
public class getdiskseries
<structlayout（layoutkind.sequential)> _
friend structure driverstatus
public bdrivererror as byte
public bidestatus as byte
<marshalas（unmanagedtype.byvalarray, sizeconst:=2)> _
public breserved（) as byte
<marshalas（unmanagedtype.byvalarray, sizeconst:=2)> _
public dwreserved（) as int32
end structure
<structlayout（layoutkind.sequential)> _
friend structure sendcmdoutparams
public cbuffersize as int32
public driverstatus as driverstatus
<marshalas（unmanagedtype.byvalarray, sizeconst:=513)> _
public bbuffer（) as byte
end structure
<structlayout（layoutkind.sequential)> _
friend structure ideregs
public bfeaturesreg as byte
public bsectorcountreg as byte
public bsectornumberreg as byte
public bcyllowreg as byte
public bcylhighreg as byte
public bdriveheadreg as byte
public bcommandreg as byte
public breserved as byte
end structure
<structlayout（layoutkind.sequential)> _
friend structure sendcmdinparams
public cbuffersize as int32
public irdriveregs as ideregs
public bdrivenumber as byte
<marshalas（unmanagedtype.byvalarray, sizeconst:=3)> _
public breserved（) as byte
<marshalas（unmanagedtype.byvalarray, sizeconst:=4)> _
public dwreserved（) as int32
public bbuffer as byte
end structure
<structlayout（layoutkind.sequential)> _
friend structure getversionoutparams
public bversion as byte
public brevision as byte
public breserved as byte
public bidedevicemap as byte
public fcapabilities as int32
<marshalas（unmanagedtype.byvalarray, sizeconst:=4)> _
public dwreserved（) as int32
end structure
<dllimport（"kernel32.dll", setlasterror:=true)> _
private shared function closehandle（ _
byval hobject as int32 _
) as integer
end function
<dllimport（"kernel32.dll")> _
private overloads shared function deviceiocontrol（ _
byval hdevice as int32, _
byval dwiocontrolcode as int32, _
byref lpinbuffer as sendcmdinparams, _
byval ninbuffersize as integer, _
byref lpoutbuffer as sendcmdoutparams, _
byval noutbuffersize as integer, _
byref lpbytesreturned as int32, _
byval lpoverlapped as integer _
) as integer
end function
<dllimport（"kernel32.dll")> _
private overloads shared function deviceiocontrol（ _
byval hdevice as int32, _
byval dwiocontrolcode as int32, _
byval lpinbuffer as integer, _
byval ninbuffersize as integer, _
byref lpoutbuffer as getversionoutparams, _
byval noutbuffersize as integer, _
byref lpbytesreturned as int32, _
byval lpoverlapped as integer _
) as integer
end function
<dllimport（"kernel32.dll")> _
private shared function createfile（ _
byval lpfilename as string, _
byval dwdesiredaccess as int32, _
byval dwsharemode as int32, _
byval lpsecurityattributes as integer, _
byval dwcreationdisposition as int32, _
byval dwflagsandattributes as int32, _
byval htemplatefile as integer _
) as int32
end function
private const generic_read as int32 = &h80000000
private const generic_write as int32 = &h40000000
private const file_share_read as int32 = &h1
private const file_share_write as int32 = &h2
private const open_existing as int32 = 3
private const invalid_handle_value as int32 = &hffffffff
private const dfp_get_version as int32 = &h74080
private const ide_atapi_identify as integer = &ha1
private const ide_ata_identify as integer = &hec
private const identify_buffer_size as integer = 512
private const dfp_receive_drive_data as int32 = &h7c088
''' <summary>
''' 获取物理序列号
''' </summary>
''' <param name="id">系统硬盘序号,0-255</param>
public shared function getserialnumber（byval id as byte) as string
dim os as operatingsystem = environment.osversion
if os.platform <> platformid.win32nt then
throw new notsupportedexception（"仅支持2000/xp/2003")
end if
if os.version.major < 5 then
throw new notsupportedexception（"仅支持2000/xp/2003")
end if
return read（id)
end function
private shared function read（byval drive as byte) as string
dim drivename as string = string.concat（"\\.\physicaldrive", drive.tostring（))
dim device as int32 = createfile（ _
drivename, _
generic_read or generic_write, _
file_share_read or file_share_write, _
0, _
open_existing, _
0, _
0)
if device = invalid_handle_value then
return ""
end if
dim verpara as new getversionoutparams（)
dim bytrv as int32 = 0
if deviceiocontrol（ _
device, _
dfp_get_version, _
0, _
0, _
verpara, _
marshal.sizeof（verpara), _
bytrv, _
0 _
) <> 0 then
if verpara.bidedevicemap > 0 then
dim bidcmd as byte = cbyte（iif（（verpara.bidedevicemap >> drive and &h10) <> 0, ide_atapi_identify, ide_ata_identify))
dim scip as new sendcmdinparams（)
dim scop as new sendcmdoutparams（)
with scip
.cbuffersize = identify_buffer_size
.bdrivenumber = drive
with .irdriveregs
.bfeaturesreg = 0
.bsectorcountreg = 1
.bcyllowreg = 0
.bcylhighreg = 0
.bdriveheadreg = cbyte（（&ha0 or （（drive and 1) << 4)))
.bcommandreg = bidcmd
end with
end with
if deviceiocontrol（device, dfp_receive_drive_data, scip, marshal.sizeof（scip), scop, marshal.sizeof（scop), bytrv, 0) <> 0 then
dim s as new stringbuilder（)
dim i as integer
for i = 20 to 40 - 2 step 2
s.append（chrw（scop.bbuffer（（i + 1))))
s.append（chrw（scop.bbuffer（i)))
next i
closehandle（device)
return s.tostring（).trim（)
end if
end if
end if
closehandle（device)
return ""
end function
end class
