FlexFieldControlLib.FieldControl.HandleBackspaceKey C# (CSharp) Метод

        private void HandleBackspaceKey( KeyEventArgs e )
        {
            if ( TextLength == 0 || ( SelectionStart == 0 && SelectionLength == 0 ) )
             {
            SendCedeFocusEvent( Action.Trim );
            e.SuppressKeyPress = true;
             }
        }