FileStream.CanWrite Property gets a value indicating whether the current stream supports writing.

 


Imports System
Imports System.IO

Public Class Test
    Public Shared Sub Main()
        Dim path As String = "c:\temp\MyTest.txt"
        File.SetAttributes(path, File.GetAttributes(path) Or FileAttributes.ReadOnly)
        Dim fs As FileStream = New FileStream(path, FileMode.OpenOrCreate, FileAccess.Read)
        If fs.CanWrite Then
            Console.WriteLine("The stream connected to {0} is writable.", path)
        Else
            Console.WriteLine("The stream connected to {0} is not writable.", path)
        End If
        fs.Close()
    End Sub
End Class

Related examples in the same category

1.	Use FileStream to store and read file
2.	Read and Write to a Newly Created Data File
3.	FileStream Class
4.	Create FileStream with FileMode.Append, FileAccess.Write, FileShare.Write
5.	FileStream Constructor (String, FileMode, FileSystemRights, FileShare, Int32, FileOptions, FileSecurity)
6.	FileStream.CanRead Property gets a value indicating whether the current stream supports reading.
7.	FileStream.CanSeek Property gets a value indicating whether the current stream supports seeking.
8.	FileStream.CanRead And FileStream.CanWrite
9.	FileStream.Seek Method sets the current position of this stream to the given value.
10.	FileStream Class Exposes a Stream around a file
11.	FileStream.CanRead Property tells whether the current stream supports reading.
12.	FileStream.CanSeek Property tells whether the current stream supports seeking.
13.	FileStream.CanWrite Property tells whether the current stream supports writing.
14.	FileStream.Read Method Reads a block of bytes
15.	FileStream.ReadByte Method Reads a byte from the file
16.	FileStream.Seek Method Sets the current position of this stream to the given value.
17.	Read and Write to a Newly Created Data File

FileStream.CanWrite Property gets a value indicating whether the current stream supports writing. : FileStream « File Directory « VB.Net

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