/// <summary>
/// Sets the item at the given index
/// </summary>
/// <param name="index">The index.</param>
/// <param name="value">The item.</param>
protected void SetValueAt(int index, T value)
{
this.EnsureNotDisposed();
//Recuperiamo un riferimento al valore che verrà sovrascritto
T oldValue = this.GetValueAt(index);
SetValueAtEventArgs <T> args = new SetValueAtEventArgs <T>(index, value, oldValue);
this.OnSetValueAt(args);
if (!args.Cancel)
{
//Ci sganciamo da quello attualmente presente nella collection
this.UnwireListItem(oldValue);
if (!this.Contains(value))
{
//Ci leghiamo a quello in arrivo
this.WireListItem(value);
}
//Impostiamo il valore
this.Storage[index] = value;
this.OnSetValueAtCompleted(index, value, oldValue);
this.OnCollectionChanged(new CollectionChangedEventArgs <T>(CollectionChangeType.ItemReplaced, index, index, oldValue));
}
}
/// <summary>
/// Called just before the set operation.
/// </summary>
/// <param name="e">The <see cref="Radical.Model.SetValueAtEventArgs<T>"/> instance containing the event data.</param>
protected virtual void OnSetValueAt(SetValueAtEventArgs <T> e)
{
this.EnsureNotDisposed();
}