private void UpdateCode()
{
var icon = TextBoxHelper.GetIcon(TbCustom);
var watermark = TextBoxHelper.GetWatermark(TbCustom);
var cornerRadius = SliderCornerRadius.Value;
TbCode.Text = "<TextBox Height=\"30\"" +
$"\nWidth=\"{TbCustom.Width}\"" +
(watermark == null ? "" : $"\npu:TextBoxHelper.Watermark=\"{watermark}\"") +
(icon == null ? "" : $"\npu:TextBoxHelper.Icon=\"{icon}\"") +
$"\npu:TextBoxHelper.FocusedBorderBrush=\"{TextBoxHelper.GetFocusedBorderBrush(TbCustom).ToColor().ToHexString(false)}\"" +
$"\npu:TextBoxHelper.FocusedShadowColor=\"{TextBoxHelper.GetFocusedShadowColor(TbCustom).ToHexString(false)}\"" +
(cornerRadius == 0 ? "" : $"\npu:TextBoxHelper.CornerRadius=\"{cornerRadius}\"") +
" />";
}