MaskEdit Code

If no MaskEdit found do the following rough code

        private void ultraTextEditor1_KeyUp(object sender, KeyEventArgs e)
        {

            UltraTextEditor te = (UltraTextEditor)sender;
            var q = from _ in
                        new List() { 
                            Keys.D0, Keys.D1, Keys.D2,Keys.D3, Keys.D4, Keys.D5,
                        Keys.D6, Keys.D7, Keys.D8,Keys.D9,
                        Keys.NumPad0, Keys.NumPad1, Keys.NumPad2,Keys.NumPad3, Keys.NumPad4, Keys.NumPad5,
                        Keys.NumPad6, Keys.NumPad7, Keys.NumPad8,Keys.NumPad9,
                        Keys.Delete, Keys.Decimal,Keys.Left, Keys.Right,Keys.OemPeriod,Keys.Back,Keys.Home,
                        }
                    where e.KeyCode == _
                    select _;
            e.SuppressKeyPress = q.Count() == 0;
            if ((e.KeyCode == Keys.Decimal || e.KeyCode == Keys.OemPeriod) && te.Text.Count(s => s == '.') == 1)
            {
                e.SuppressKeyPress = true;
            }

            var q1 = from _ in
                         new List() {
                         Keys.Left, Keys.Right,Keys.Back,Keys.Home,
                        }
                     where e.KeyCode == _
                     select _;
            if (q1.Count() > 0) return;

            if (te.Text.Length > 0)
            {
                string t = te.Text.Replace(",", "").Replace("..", ".");
                double Data = Convert.ToDouble(t);
                int i = (int)Math.Floor(Data);
                string sInt = string.Format("{0:#,#}", i);
                string dec = +t.IndexOf('.') >= 0 ? t.Substring(t.IndexOf('.')) : "";
                te.Text = "";
                te.AppendText(sInt + dec);
            }           
        }