System.Security.SecureString.Clear C# (CSharp) Method

		public void Clear ()
		{
			if (disposed)
				throw new ObjectDisposedException ("SecureString");
			if (read_only) {
				throw new InvalidOperationException (Locale.GetText (
					"SecureString is read-only."));
			}

			Array.Clear (data, 0, data.Length);
			length = 0;
		}

        public SecureString ReadLine()
        {
            // make sure Ctrl+C can abort editing
            _mainThread = Thread.CurrentThread;
            Console.CancelKeyPress += InterruptEdit;

            SecureString buffer = new SecureString();
            var finished = false;
            while (!finished)
            {
                try
                {
                    finished = ReadKey(buffer);
                }
                catch (ThreadAbortException)
                {
                    // thrown on Ctrl+C
                    Thread.ResetAbort();
                    buffer.Clear();
                    buffer = null;
                    break;
                }
            }

            Console.WriteLine();
            // reset Ctrl+C handling
            Console.CancelKeyPress -= InterruptEdit;
            return buffer;
        }