public object this[string propertyName]
{
get
{
object result;
return(_propertyProvider.TryGetPropertyValue(propertyName, out result)
? result
: null);
}
set
{
_propertyProvider.SetPropertyValue(propertyName, value);
OnPropertyChanged(propertyName);
//OnPropertyChanged("Item[]");
OnPropertyChanged(string.Format("Item[{0}]", propertyName));
}
}
