Get a last line from a text file

GetLastLineFromTextFile.cs

void Main()
{
    string fileName = @"c:\windows\setupapi.log";
    
    byte[] array = new byte[100];
    using (FileStream fs = new FileStream(fileName, FileMode.Open))
    {
        if (fs.CanSeek && fs.Length > 100)
        {
            fs.Position = fs.Length - 100;
            fs.Read(array, 0, 100);
        }
    }
    
    
    Encoding enc = new ASCIIEncoding();
    string line = enc.GetString(array);
    
    Console.Write(line);
}