Gets a value indicating whether the current stream supports writing.

  

using System;
using System.IO;
using System.Text;

class Test 
{
  
    public static void Main() 
    {
        string path = @"c:\temp\MyTest.txt";
        File.SetAttributes(path, File.GetAttributes(path) | FileAttributes.ReadOnly);
        using (FileStream fs = new FileStream (path, FileMode.OpenOrCreate, FileAccess.Read)) 
        {
            if (fs.CanWrite) 
            {
                Console.WriteLine("The stream for file {0} is writable.", path);
            } 
            else 
            {
                Console.WriteLine("The stream for file {0} is not writable.", path);
            }
        }
    }
}

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

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