private void CleanDuplicates()
{
lock (this)
{
AllPhotographs = AllPhotographs.Distinct().ToList();
}
}
public void AddRange(IEnumerable <Photograph> photos)
{
lock (this)
{
if (photos != null && photos.Count() > 0)
{
AllPhotographs.AddRange(photos);
CleanDuplicates();
}
}
}
public void Add(Photograph photo)
{
lock (this)
{
if (photo != null)
{
AllPhotographs.Add(photo);
CleanDuplicates();
}
}
}
