public bool Remove(T key)
{
if (_items.Contains(key))
{
BeforeKeyRemoved?.Invoke(this, new KeyEventArg <T>(key));
}
return(_items.Remove(key));
}
public bool Remove(TK key)
{
if (_items.ContainsKey(key))
{
BeforeKeyRemoved?.Invoke(this, new KeyEventArg <TK>(key));
T item = (T)_items[key];
_items.Remove(key);
item.PropertyChanged -= Value_PropertyChanged;
return(true);
}
return(false);
}