Redirecting The Command-line To A Text Block

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namespace StringRedirect
{    
    /// <summary>
    /// Allows text blocks to appear like a command line for serial out string messages.
    /// </summary>
    public class TextBlockStreamWriter : StringWriter
    {
        private TextBlock _textBlock;

        public string Text
        {
            get 
            { 
                return _textBlock.Text; 
            }
            set
            {
                _textBlock.Text += value;
            }
        }

        public TextBlockStreamWriter(ref TextBlock t)
        {
            _textBlock = t;
        }

        public override void WriteLine(string msg)
        {
            Text = msg + "\n";
        }
    }
}