1 | Namespace System
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2 | Namespace IO
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3 |
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4 |
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5 | Enum DriveType
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6 | Unknown = 0
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7 | NoRootDirectory
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8 | Removable
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9 | Fixed
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10 | CDRom
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11 | Network
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12 | Ram
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13 | End Enum
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14 |
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15 | Class DriveInfo
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16 | m_DriveName As String
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17 | Public
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18 | Sub DriveInfo(driveName As String)
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19 | If driveName.Length <> 1 Then
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20 | 'ArgumentException
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21 | debug
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22 | End If
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23 | driveName.ToUpper()
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24 | m_DriveName = driveName + ":\"
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25 | End Sub
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26 |
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27 | Sub ~DriveInfo()
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28 | End Sub
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29 |
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30 | 'property
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31 | Function AvailableFreeSpace() As QWord
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32 | Dim availableFreeSpace As ULARGE_INTEGER
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33 | If GetDiskFreeSpaceEx(m_DriveName, availableFreeSpace, ByVal 0, ByVal 0) Then
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34 | Return (availableFreeSpace.HighPart << 32) Or availableFreeSpace.LowPart
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35 | Else
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36 | 'IOException
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37 | End If
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38 | End Function
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39 |
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40 | Function DriveFormat() As String
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41 | Dim systemName[15] As TCHAR
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42 | If GetVolumeInformation(m_DriveName, NULL, 0, NULL, NULL, NULL, systemName, Len (systemName)) Then
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43 | Dim resultStr = New String( systemName )
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44 | Return resultStr
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45 | Else
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46 | 'IOException
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47 | End If
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48 | End Function
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49 |
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50 | Function DriveType() As Long
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51 | Return GetDriveType(m_DriveName)
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52 | End Function
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53 |
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54 | Function IsReady() As Boolean
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55 | If GetVolumeInformation(m_DriveName, NULL, 0, NULL, NULL, NULL, NULL, 0) Then
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56 | Return True
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57 | Else
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58 | Return False
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59 | End If
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60 | End Function
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61 |
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62 | Function Name() As String
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63 | Return m_DriveName
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64 | End Function
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65 |
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66 | /* Function RootDirectory() As DirectoryInfo
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67 | End Function*/
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68 |
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69 | Function TotalFreeSpace() As QWord
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70 | Dim totalFreeSpace As ULARGE_INTEGER
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71 | If GetDiskFreeSpaceEx(m_DriveName, ByVal 0, ByVal 0, totalFreeSpace) Then
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72 | Return (totalFreeSpace.HighPart << 32) Or totalFreeSpace.LowPart
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73 | Else
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74 | 'IOException
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75 | End If
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76 | End Function
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77 |
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78 | Function TotalSize() As QWord
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79 | Dim totalSize As ULARGE_INTEGER
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80 | If GetDiskFreeSpaceEx(m_DriveName, ByVal 0, totalSize, ByVal 0) Then
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81 | Return (totalSize.HighPart << 32) Or totalSize.LowPart
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82 | Else
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83 | 'IOException
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84 | End If
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85 | End Function
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86 |
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87 | Function VolumeLabel() As String
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88 | Dim volumeName[63] As TCHAR
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89 | If GetVolumeInformation(m_DriveName, volumeName, 64, NULL, NULL, NULL, NULL, 0) Then
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90 | Dim resultStr = New String( volumeName )
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91 | Return resultStr
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92 | Else
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93 | 'IOException
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94 | End If
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95 | End Function
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96 | End Class
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97 |
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98 |
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99 | End Namespace
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100 | End Namespace
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