public object ConvertBack(object value, Type targetType, object parameter, string language)
{
if (value is string)
{
return(BadgeValue.Parse(value as string));
}
return(BadgeValue.Parse(null));
}
/// <summary>
/// Applies a change to the badge's glyph or number.
/// </summary>
/// <param name="badgeNotification"></param>
public void Update(BadgeNotification badgeNotification)
{
if (badgeNotification.Content == null)
{
throw new NullReferenceException("badgeNotification.Content must be provided.");
}
IXmlNode badgeNode = badgeNotification.Content.SelectSingleNode("/badge");
if (badgeNode == null)
{
throw new NullReferenceException("<badge> element must be provided in the xml");
}
var valueAttribute = badgeNode.Attributes.GetNamedItem("value");
if (valueAttribute == null)
{
throw new NullReferenceException("<badge> element must have a \"value\" attribute specified.");
}
_previewTile.SetBadge(BadgeValue.Parse(valueAttribute.InnerText));
}