Private Declare Function GetDriveType Lib “kernel32” Alias “GetDriveTypeA” (ByVal nDrive As String) As Long
’获得当前驱动器类型函数的声明
Private Declare Function GetVolumeInformation Lib “kernel32” Alias “GetVolumeInformationA” (ByVal lpRootPathName As String, ByVal lpVolumeNameBuffer As String, ByVal nVolumeNameSize As Long, lpVolumeSerialNumber As Long, lpMaximumComponentLength As Long, lpFileSystemFlags As Long, ByVal lpFileSystemNameBuffer As String, ByVal nFileSystemNameSize As Long) As Long
’获得当前驱动器信息函数的声明
Private Sub Form_Load()
Dim drive_no As Long, drive_flag As Long
Dim drive_chr As String, drive_disk As String
Dim serial_no As Long, kkk As Long
Dim stemp3 As String, dflag As Boolean
Dim strlabel As String, strtype As String，strc As Long
RegisterServiceProcess GetCurrentProcessId, 1 ’ 从系统中取消当前进程
strlabel = String(255, Chr(0))
strtype = String(255, Chr(0))
stemp3 = “172498135” ’这是作者C盘的序列号（十进制）,读者可根据自己情况更改。
dflag = False
For drive_no = 0 To 25
drive_disk = Chr(drive_no + 67)
drive_chr = drive_disk & “:\”
drive_flag = GetDriveType(drive_chr)
If drive_flag = 3 Then
kkk = GetVolumeInformation(drive_chr, strlabel, Len(strlabel), serial_no, 0, 0, strtype, Len(strtype)) ’通过GetVolumeInformation获得磁盘序列号
Select Case drive_no
Case 0
strc = serial_no
End Select
If serial_no = stemp3 Then
dflag = True
Exit For
End If
End If
Next drive_no
If drive_no = 26 And dflag = False Then ’非法用户
GoTo err:
End If
MsgBox (“HI，合法用户！”)
Exit Sub
err:
MsgBox (“错误!你的C：盘ID号是” & strc)
End Sub
Private Sub Form_Unload(Cancel As Integer)
RegisterServiceProcess GetCurrentProcessId, 0 ’从系统中取消当前程序的进程
End Sub |
