[271] | 1 | Namespace System
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| 2 | Namespace IO
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| 3 |
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| 4 |
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[64] | 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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[142] | 41 | Dim systemName[15] As TCHAR
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[285] | 42 | If GetVolumeInformation(m_DriveName, NULL, 0, NULL, NULL, NULL, systemName, Len (systemName)) Then
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[288] | 43 | Dim resultStr = New String( systemName )
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| 44 | Return resultStr
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[64] | 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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[142] | 54 | Function IsReady() As Boolean
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[285] | 55 | If GetVolumeInformation(m_DriveName, NULL, 0, NULL, NULL, NULL, NULL, 0) Then
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[142] | 56 | Return True
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[64] | 57 | Else
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[142] | 58 | Return False
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[64] | 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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[288] | 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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[64] | 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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[142] | 96 | End Class
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[271] | 97 |
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| 98 |
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| 99 | End Namespace
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| 100 | End Namespace
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