FileStream.CanRead Property tells whether the current stream supports reading.

 
Imports System
Imports System.IO

Class TestRW

    Public Shared Sub Main()
        Dim fs As New FileStream("MyFile.txt", FileMode.OpenOrCreate, FileAccess.Read)
        If fs.CanRead And fs.CanWrite Then
            Console.WriteLine("can be both written to and read from.")
        Else
            If fs.CanRead Then
                Console.WriteLine("not writable.")
            End If
        End If
    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.CanWrite Property gets a value indicating whether the current stream supports writing.
9.	FileStream.CanRead And FileStream.CanWrite
10.	FileStream.Seek Method sets the current position of this stream to the given value.
11.	FileStream Class Exposes a Stream around a file
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.CanRead Property tells whether the current stream supports reading. : FileStream « File Directory « VB.Net

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