Check file Attribute : File Attributes : File Stream C# Source Code

    


using System;
using System.IO;

class MainClass {
    static void Main() {
        FileInfo file = new FileInfo("data.txt");

        Console.WriteLine(file.Attributes.ToString());

        if (file.Attributes == FileAttributes.ReadOnly) {
            Console.WriteLine("File is read-only (faulty test).");
        }

        if ((file.Attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly) {
            Console.WriteLine("File is read-only (correct test).");
        }
    }
}