FileStream.CanRead And FileStream.CanWrite

 

Imports System
Imports System.IO

Class TestRW
    Public Shared Sub Main()
        Dim fs As New FileStream("MyFile.txt", FileMode.OpenOrCreate, FileAccess.Write)

        If fs.CanRead And fs.CanWrite Then
            Console.WriteLine("MyFile.txt can be both written to and read from.")
        ElseIf fs.CanWrite Then
            Console.WriteLine("MyFile.txt is writable.")
        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.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.CanRead And FileStream.CanWrite : FileStream « File Directory « VB.Net

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