public String addColorToSelectedText(Engine.Color color)
        {
            String colorText    = textBox.Caption;
            String defaultColor = textBox.TextColor.ToHexString();

            if (textBox.IsTextSelection)
            {
                int    selectionStart = findPositionInColorizedString((int)textBox.TextSelectionStart, colorText);
                String currentColor   = findColorForPosition(selectionStart, colorText, defaultColor);
                colorText = colorText.Insert(selectionStart, color.ToHexString());

                int selectionEnd = findPositionInColorizedString((int)textBox.TextSelectionEnd, colorText);
                colorText = colorText.Insert(selectionEnd, currentColor);
            }
            else
            {
                uint selection = textBox.TextCursor;
                colorText = colorText.Insert(findPositionInColorizedString((int)selection, colorText), color.ToHexString());
            }
            return(colorText);
        }