VB.Net Tutorial/Stream File/FileInfo
Версия от 16:40, 26 мая 2010; (обсуждение)
Содержание
FileInfo.IsReadOnly, FileAttributes.Hidden
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo = My.ruputer.FileSystem.GetFileInfo("test.txt")
Console.WriteLine(fileDetail.IsReadOnly)
Console.WriteLine(CBool(fileDetail.Attributes And IO.FileAttributes.Hidden))
End Sub
End Class
False False
Get File Attributes as a string
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")
Console.WriteLine("Attributes: " & fileDetail.Attributes.ToString())
End Sub
End Class
Attributes: Archive, NotContentIndexed
Get file Creation Time, Last Access Time and Modified Time
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")
Console.WriteLine("Created: " & fileDetail.CreationTime)
Console.WriteLine("Accessed: " & fileDetail.LastAccessTime)
Console.WriteLine("Modified: " & fileDetail.LastWriteTime)
End Sub
End Class
Created: 11/05/2007 9:20:09 PM Accessed: 11/05/2007 9:26:39 PM Modified: 11/05/2007 9:26:04 PM
Get file extension name
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")
Console.WriteLine(fileDetail.Extension)
End Sub
End Class
.txt
Get file size
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo
fileDetail = My.ruputer.FileSystem.GetFileInfo("test.txt")
Console.WriteLine("Size: " & fileDetail.Length & " byte(s)")
End Sub
End Class
Size: 343984 byte(s)
My.Computer.FileSystem.GetFileInfo(""File Name"")
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo = My.ruputer.FileSystem.GetFileInfo("test.txt")
Console.WriteLine(fileDetail.IsReadOnly)
Console.WriteLine(CBool(fileDetail.Attributes And IO.FileAttributes.Hidden))
End Sub
End Class
False False
Set file attributes: Hidden, ReadOnly
Public Class Tester
Public Shared Sub Main
Dim fileDetail As IO.FileInfo = My.ruputer.FileSystem.GetFileInfo("yourfile.jpg")
fileDetail.IsReadOnly = True
fileDetail.Attributes = fileDetail.Attributes Or IO.FileAttributes.Hidden
End Sub
End Class