FlexFieldControlLib.FieldControl.OnTextChanged C# (CSharp) Method

        protected override void OnTextChanged( EventArgs e )
        {
            base.OnTextChanged( e );

             if ( !Blank )
             {
            int value = _valueFormatter.Value( Text );

            if ( value > RangeHigh )
            {
               base.Text = _valueFormatter.ValueText( RangeHigh, CharacterCasing );
               SelectionStart = 0;
            }
            else if ( ( TextLength == MaxLength ) && ( value < RangeLow ) )
            {
               base.Text = _valueFormatter.ValueText( RangeLow, CharacterCasing );
               SelectionStart = 0;
            }
            else
            {
               int originalLength = TextLength;
               int newSelectionStart = SelectionStart;

               base.Text = GetCasedText();

               if ( TextLength < originalLength )
               {
                  newSelectionStart -= ( originalLength - TextLength );
                  SelectionStart = Math.Max( 0, newSelectionStart );
               }
            }
             }

             SendFieldChangedEvent();

             if ( Text.Length == MaxLength && Focused && SelectionStart == TextLength )
             {
            SendCedeFocusEvent( Direction.Forward, Selection.All );
             }
        }