| 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 | m_DriveName = driveName.ToUpper()
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| 20 | End Sub
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| 21 |
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| 22 | Sub ~DriveInfo()
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| 23 | End Sub
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| 24 |
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| 25 | 'property
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| 26 | Function AvailableFreeSpace() As QWord
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| 27 | If GetDiskFreeSpaceEx(ToTCStr(m_DriveName), ByVal VarPtr(AvailableFreeSpace) As *ULARGE_INTEGER, ByVal 0, ByVal 0) = FALSE Then
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| 28 | Throw New IOException("DriveInfo.AvailableFreeSpace: Failed to GetDiskFreeSpaceEx.")
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| 29 | End If
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| 30 | End Function
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| 31 |
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| 32 | Function DriveFormat() As String
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| 33 | Dim systemName[15] As TCHAR
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| 34 | If GetVolumeInformation(ToTCStr(m_DriveName), NULL, 0, NULL, NULL, NULL, systemName, Len (systemName) \ SizeOf (TCHAR)) Then
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| 35 | DriveFormat = New String( systemName )
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| 36 | Else
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| 37 | Throw New IOException("DriveInfo.DriveFormat: Failed to GetVolumeInformation.")
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| 38 | End If
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| 39 | End Function
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| 40 |
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| 41 | Function DriveType() As Long
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| 42 | Return GetDriveType(ToTCStr(m_DriveName))
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| 43 | End Function
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| 44 |
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| 45 | Function IsReady() As Boolean
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| 46 | If GetVolumeInformation(ToTCStr(m_DriveName), NULL, 0, NULL, NULL, NULL, NULL, 0) Then
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| 47 | Return True
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| 48 | Else
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| 49 | Return False
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| 50 | End If
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| 51 | End Function
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| 52 |
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| 53 | Function Name() As String
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| 54 | Return m_DriveName
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| 55 | End Function
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| 56 |
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| 57 | /* Function RootDirectory() As DirectoryInfo
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| 58 | End Function*/
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| 59 |
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| 60 | Function TotalFreeSpace() As QWord
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| 61 | If GetDiskFreeSpaceEx(ToTCStr(m_DriveName), ByVal 0, ByVal 0, ByVal VarPtr(TotalFreeSpace) As *ULARGE_INTEGER) = FALSE Then
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| 62 | Throw New IOException("DriveInfo.TotalFreeSpace: Failed to GetDiskFreeSpaceEx.")
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| 63 | End If
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| 64 | End Function
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| 65 |
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| 66 | Function TotalSize() As QWord
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| 67 | If GetDiskFreeSpaceEx(ToTCStr(m_DriveName), ByVal 0, ByVal VarPtr(TotalSize) As *ULARGE_INTEGER, ByVal 0) = FALSE Then
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| 68 | Throw New IOException("DriveInfo.TotalSize: Failed to GetDiskFreeSpaceEx.")
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| 69 | End If
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| 70 | End Function
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| 71 |
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| 72 | Function VolumeLabel() As String
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| 73 | Dim volumeName[63] As TCHAR
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| 74 | If GetVolumeInformation(ToTCStr(m_DriveName), volumeName, Len (volumeName) \ SizeOf (TCHAR), NULL, NULL, NULL, NULL, 0) Then
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| 75 | VolumeLabel = New String( volumeName )
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| 76 | Else
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| 77 | Throw New IOException("DriveInfo.VolumeLabel: Failed to GetVolumeInformation.")
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| 78 | End If
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| 79 | End Function
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| 80 | End Class
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| 81 |
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| 82 |
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| 83 | End Namespace
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| 84 | End Namespace
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