Gets a value indicating whether the current stream supports reading.

  

using System;
using System.IO;

class TestRW 
{
    public static void Main(String[] args)
    {
        FileStream fs = new FileStream("MyFile.txt", FileMode.OpenOrCreate, FileAccess.Read);
        if (fs.CanRead && fs.CanWrite)
        {
            Console.WriteLine("MyFile.txt can be both written to and read from.");
        }
        else if (fs.CanRead)
        {
            Console.WriteLine("MyFile.txt is not writable.");
        }
    }
}

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Gets a value indicating whether the current stream supports reading. : FileStream « File Stream « C# / C Sharp

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