public void ICVF_RemoveAt()
{
EntitySet <City> entitySet;
EntityCollection <City> entityCollection = this.CreateEntityCollection(out entitySet);
IEditableCollectionView view = this.GetIECV(entityCollection);
City city = (City)view.AddNew();
city.Name = "Des Moines";
city.CountyName = "King";
city.StateName = "WA";
view.CommitNew();
entityCollection.Add(this.CreateLocalCity("Normandy Park"));
entityCollection.Add(this.CreateLocalCity("SeaTac"));
// This one was added through the view and will be removed from both
city = entityCollection.ElementAt(0);
view.RemoveAt(0);
Assert.IsFalse(entityCollection.Contains(city),
"EntityCollection should no longer contain the entity at index 0.");
Assert.IsFalse(entitySet.Contains(city),
"EntitySet should no longer contain the entity at index 0.");
// This one was added directly and will only be removed for the collection
city = entityCollection.ElementAt(1);
view.RemoveAt(1);
Assert.IsFalse(entityCollection.Contains(city),
"EntityCollection should no longer contain the entity at index 1.");
Assert.IsTrue(entitySet.Contains(city),
"EntitySet should still contain the entity at index 1.");
}
public void RemoveAt(int index)
{
T oldItem = collection.ElementAt(index);
if (oldItem != null)
{
collection.Remove(oldItem);
}
}