辅导:VB取得磁盘文件夹或文件的网络安全技术及协议
来源:优易学  2011-11-22 10:55:47   【优易学:中国教育考试门户网】   资料下载   IT书店

  实现代码如下:
  Option Explicit
  Public Const MAXIMUM_ALLOWED As Long = &H2000000
  Public Const DELETE As Long = &H10000
  Public Const READ_CONTROL As Long = &H20000
  Public Const WRITE_DAC As Long = &H40000
  Public Const WRITE_OWNER As Long = &H80000
  Public Const SYNCHRONIZE As Long = &H100000
  Public Const STANDARD_RIGHTS_READ As Long = READ_CONTROL
  Public Const STANDARD_RIGHTS_WRITE As Long = READ_CONTROL
  Public Const STANDARD_RIGHTS_EXECUTE As Long = READ_CONTROL
  Public Const STANDARD_RIGHTS_REQUIRED As Long = &HF0000
  Public Const FILE_READ_DATA As Long = &H1
  Public Const FILE_LIST_DIRECTORY As Long = &H1
  Public Const FILE_ADD_FILE As Long = &H2
  Public Const FILE_WRITE_DATA As Long = &H2
  Public Const FILE_CREATE_PIPE_INSTANCE As Long = &H4
  Public Const FILE_ADD_SUBDIRECTORY As Long = &H4
  Public Const FILE_APPEND_DATA As Long = &H4
  Public Const FILE_READ_EA As Long = &H8
  Public Const FILE_READ_PROPERTIES As Long = FILE_READ_EA
  Public Const FILE_WRITE_EA As Long = &H10
  Public Const FILE_WRITE_PROPERTIES As Long = FILE_WRITE_EA
  Public Const FILE_EXECUTE As Long = &H20
  Public Const FILE_TRAVERSE As Long = &H20
  Public Const FILE_DELETE_CHILD As Long = &H40
  Public Const FILE_READ_ATTRIBUTES As Long = &H80
  Public Const FILE_WRITE_ATTRIBUTES As Long = &H100
  Public Const FILE_GENERIC_READ As Long = (STANDARD_RIGHTS_READ Or FILE_READ_DATA Or FILE_READ_ATTRIBUTES Or FILE_READ_EA Or FILE_EXECUTE Or STANDARD_RIGHTS_EXECUTE Or SYNCHRONIZE)
  Public Const FILE_GENERIC_READ As Long = (STANDARD_RIGHTS_READ Or FILE_READ_DATA Or FILE_READ_ATTRIBUTES Or FILE_READ_EA Or SYNCHRONIZE)
  Public Const FILE_GENERIC_EXECUTE As Long = (STANDARD_RIGHTS_EXECUTE Or FILE_READ_ATTRIBUTES Or FILE_EXECUTE Or SYNCHRONIZE)
  Public Const FILE_GENERIC_WRITE As Long = (STANDARD_RIGHTS_WRITE Or FILE_WRITE_DATA Or FILE_WRITE_ATTRIBUTES Or FILE_WRITE_EA Or FILE_APPEND_DATA Or SYNCHRONIZE)
  Public Const FILE_ALL_ACCESS As Long = (STANDARD_RIGHTS_REQUIRED Or SYNCHRONIZE Or &H1FF&)
  Public Const GENERIC_READ As Long = &H80000000
  Public Const GENERIC_WRITE As Long = &H40000000
  Public Const GENERIC_EXECUTE As Long = &H20000000
  Public Const GENERIC_ALL As Long = &H10000000
  ' Types, constants and functions to work with access rights
  Public Const OWNER_SECURITY_INFORMATION As Long = &H1
  Public Const GROUP_SECURITY_INFORMATION As Long = &H2
  Public Const DACL_SECURITY_INFORMATION As Long = &H4
  Public Const TOKEN_QUERY As Long = 8
  Public Const SecurityImpersonation As Integer = 3
  Public Const ANYSIZE_ARRAY = 1
  Public Const ACEListDirectory = 1
  Public Const ACEReadData = 1
  Public Const ACECreateFiles = 2
  Public Const ACEWriteData = 2
  Public Const ACECreateDirectories = 4
  Public Const ACEAppendData = 4
  Public Const ACEReadExtendedAttributes = 8
  Public Const ACEWriteExtendedAttributes = 16
  Public Const ACEExecuteFile = 32
  Public Const ACETraverse = 32
  Public Const ACEDeleteSubdirectoriesAndFiles = 64
  Public Const ACEReadAttributes = 128
  Public Const ACEWriteAttributes = 256
  'Public Const ACEWrite = 278
  Public Const ACEDelete = 65536
  Public Const ACEReadPermissions = 131072
  'Public Const ACERead = 131209
  'Public Const ACEReadAndExecute = 131241
  'Public Const ACEModify = 197055
  Public Const ACEChangePermissions = 262144
  Public Const ACETakeOwnership = 524288
  Public Const ACESynchronize = 1048576
  'Public Const ACEFullControl = 2032127
  Public Type GENERIC_MAPPING
  GenericRead As Long
  GenericWrite As Long
  GenericExecute As Long
  GenericAll As Long
  End Type
  Public Type LUID
  LowPart As Long
  HighPart As Long
  End Type

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