public TItem this[TKey key]
{
get
{
if (key == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
if (dict != null)
{
return(dict[key]);
}
foreach (TItem item in Items)
{
if (comparer.Equals(GetKeyForItem(item), key))
{
return(item);
}
}
ThrowHelper.ThrowKeyNotFoundException();
return(default(TItem));
}
}
public TItem this[TKey key]
{
[__DynamicallyInvokable] get
{
if ((object)key == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
if (this.dict != null)
{
return(this.dict[key]);
}
foreach (TItem obj in (IEnumerable <TItem>) this.Items)
{
if (this.comparer.Equals(this.GetKeyForItem(obj), key))
{
return(obj);
}
}
ThrowHelper.ThrowKeyNotFoundException();
return(default(TItem));
}
}
public TItem this[TKey key]
{
get
{
if (key == null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key);
}
if (this.dict != null)
{
return(this.dict[key]);
}
foreach (TItem local in base.Items)
{
if (this.comparer.Equals(this.GetKeyForItem(local), key))
{
return(local);
}
}
ThrowHelper.ThrowKeyNotFoundException();
return(default(TItem));
}
}