FileInfo.IsReadOnly Property gets or sets a value that determines if the current file is read only. : FileInfo « File Directory « VB.Net






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  3. FileInfo

FileInfo.IsReadOnly Property gets or sets a value that determines if the current file is read only.

 

Imports System
Imports System.IO

Module FileExample
    Sub Main()
        Dim FileName As String = "c:\test.xml"
        Dim isReadOnly As Boolean = IsFileReadOnly(FileName)
        SetFileReadAccess(FileName, True)
        isReadOnly = IsFileReadOnly(FileName)
    End Sub
    Sub SetFileReadAccess(ByVal FileName As String, ByVal SetReadOnly As Boolean)
        Dim fInfo As New FileInfo(FileName)
        fInfo.IsReadOnly = SetReadOnly
    End Sub
    Function IsFileReadOnly(ByVal FileName As String) As Boolean
        Dim fInfo As New FileInfo(FileName)
        Return fInfo.IsReadOnly
    End Function
End Module








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18.FileInfo.Open (FileMode, FileAccess) opens a file in the specified mode with read, write, or read/write access.
19.FileInfo.Open with settings for File Read Write Mode, File Access Mode, File Share Mode
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21.FileInfo.OpenText creates a StreamReader with UTF8 encoding that reads from an existing text file.
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