protected void SetEnum <T>(ref T field, T value, Action <T> changeHandler, [CallerMemberName] string propertyName = null) where T : Enum
{
var oldValue = field;
if (PropertyChanged.TryUpdateEnum(this, ref field, value, propertyName))
{
changeHandler?.Invoke(oldValue);
}
}
protected bool TryUpdateEnum <T>(ref T backingField, T newValue, [CallerMemberName] string propertyName = null) where T : Enum
{
return(PropertyChanged.TryUpdateEnum(this, ref backingField, newValue, propertyName));
}