public TValue this[TKey key]
{
get
{
TValue value;
if (_items.TryGetValue(key, out value))
{
return(value);
}
return(ReturnValue(key));
}
set
{
Assertor.AreTrue(IsReadOnly, "集合为只读");
_items[key] = value;
}
}
public void Clear()
{
Assertor.AreTrue(IsReadOnly, "集合为只读");
_items.Clear();
}
public bool Remove(TKey key)
{
Assertor.AreTrue(IsReadOnly, "集合为只读");
return(_items.Remove(key));
}