[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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[400] | 23 | m_DriveName = driveName.ToUpper() + ":\"
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[64] | 24 | End Sub
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| 25 |
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| 26 | Sub ~DriveInfo()
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| 27 | End Sub
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| 28 |
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| 29 | 'property
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| 30 | Function AvailableFreeSpace() As QWord
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[400] | 31 | If GetDiskFreeSpaceEx(ToTCStr(m_DriveName), ByVal VarPtr(AvailableFreeSpace) As *ULARGE_INTEGER, ByVal 0, ByVal 0) = FALSE Then
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| 32 | Throw New IOException("DriveInfo.AvailableFreeSpace: Failed to GetDiskFreeSpaceEx.")
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[64] | 33 | End If
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| 34 | End Function
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| 35 |
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| 36 | Function DriveFormat() As String
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[142] | 37 | Dim systemName[15] As TCHAR
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[400] | 38 | If GetVolumeInformation(ToTCStr(m_DriveName), NULL, 0, NULL, NULL, NULL, systemName, Len (systemName) \ SizeOf (TCHAR)) Then
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| 39 | DriveFormat = New String( systemName )
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[64] | 40 | Else
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[400] | 41 | Throw New IOException("DriveInfo.DriveFormat: Failed to GetVolumeInformation.")
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[64] | 42 | End If
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| 43 | End Function
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| 44 |
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| 45 | Function DriveType() As Long
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[400] | 46 | Return GetDriveType(ToTCStr(m_DriveName))
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[64] | 47 | End Function
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| 48 |
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[142] | 49 | Function IsReady() As Boolean
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[400] | 50 | If GetVolumeInformation(ToTCStr(m_DriveName), NULL, 0, NULL, NULL, NULL, NULL, 0) Then
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[142] | 51 | Return True
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[64] | 52 | Else
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[142] | 53 | Return False
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[64] | 54 | End If
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| 55 | End Function
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| 56 |
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| 57 | Function Name() As String
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| 58 | Return m_DriveName
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| 59 | End Function
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| 60 |
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| 61 | /* Function RootDirectory() As DirectoryInfo
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| 62 | End Function*/
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| 63 |
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| 64 | Function TotalFreeSpace() As QWord
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[400] | 65 | If GetDiskFreeSpaceEx(ToTCStr(m_DriveName), ByVal 0, ByVal 0, ByVal VarPtr(TotalFreeSpace) As *ULARGE_INTEGER) = FALSE Then
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| 66 | Throw New IOException("DriveInfo.TotalFreeSpace: Failed to GetDiskFreeSpaceEx.")
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[64] | 67 | End If
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| 68 | End Function
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| 69 |
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| 70 | Function TotalSize() As QWord
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[400] | 71 | If GetDiskFreeSpaceEx(ToTCStr(m_DriveName), ByVal 0, ByVal VarPtr(TotalSize) As *ULARGE_INTEGER, ByVal 0) = FALSE Then
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| 72 | Throw New IOException("DriveInfo.TotalSize: Failed to GetDiskFreeSpaceEx.")
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[64] | 73 | End If
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| 74 | End Function
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| 75 |
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| 76 | Function VolumeLabel() As String
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[288] | 77 | Dim volumeName[63] As TCHAR
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[400] | 78 | If GetVolumeInformation(ToTCStr(m_DriveName), volumeName, Len (volumeName) \ SizeOf (TCHAR), NULL, NULL, NULL, NULL, 0) Then
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| 79 | VolumeLabel = New String( volumeName )
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[64] | 80 | Else
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[400] | 81 | Throw New IOException("DriveInfo.VolumeLabel: Failed to GetVolumeInformation.")
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[64] | 82 | End If
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| 83 | End Function
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[142] | 84 | End Class
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[271] | 85 |
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| 86 |
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| 87 | End Namespace
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| 88 | End Namespace
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