#region 验证小数

        /// <summary>

        /// 验证小数

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void txtRoomArea_KeyDown_ForFloat(object sender, KeyEventArgs e)

        {

            TextBox txt = sender as TextBox;

            //屏蔽非法按键，只能输入小数

            if ((e.Key >= Key.NumPad0 && e.Key <= Key.NumPad9) || e.Key == Key.Subtract || e.Key == Key.Decimal)

            {

                if (txt.Text.Contains(".") && e.Key == Key.Decimal)

                {

                    e.Handled = true;

                    return;

                }

                e.Handled = false;

            }

            else if (((e.Key >= Key.D0 && e.Key <= Key.D9) || e.Key == Key.OemPeriod || e.Key == Key.Subtract) && e.KeyboardDevice.Modifiers != ModifierKeys.Shift)

            {

                if (txt.Text.Contains(".") && e.Key == Key.OemPeriod)

                {

                    e.Handled = true;

                    return;

                }

                e.Handled = false;

            }

            else

            {

                e.Handled = true;

            }

        }

        #endregion

  #region TextBox_TextChanged

        private void TextBox_TextChanged(object sender, TextChangedEventArgs e)

        {

            //屏蔽中文输入和粘贴输入

            TextBox textBox = sender as TextBox;

            TextChange[] change = new TextChange[e.Changes.Count];

            e.Changes.CopyTo(change, );

            int offset = change[].Offset;

            if (change[].AddedLength > )

            {

                double num = ;

                if (!Double.TryParse(textBox.Text, out num) && !textBox.Text.Equals("-"))

                {

                    textBox.Text = textBox.Text.Remove(offset, change[].AddedLength);

                    textBox.Select(offset, );

                }

            }

            //            NoteFieldConfigModel noteField = NoteFieldConfigs.First(t => t.FfieldName == textBox.Name);

            //            string value = string.IsNullOrEmpty(textBox.Text) == true ? null : textBox.Text;

            //            if(string.IsNullOrEmpty(value))

            //            {

            //                return;

            //            }

            //if (noteField.FfieldType == 3)

            //{

            //    textBox.Text = string.Format("{0:N2}", Convert.ToDouble(value.TrimStart(',')));

            //}

            //if (noteField.FfieldType == 2 && (noteField.FimptClassID == null || noteField.FimptClassID == 0))

            //{

            //    textBox.Text = string.Format("{0:N0}", Convert.ToDouble(value.TrimStart(',')));

            //}

        }

        #endregion