public bool Remove(T itemToFind, T itemToRemove)
{
if ((itemToRemove == null) || (this._firstItem == null) || (itemToFind == null))
{
return(false);
}
DoubleLinkedListItem <T> foundItem = Find(itemToFind);
if (foundItem.Equals(this._firstItem))
{
this._firstItem = this._firstItem.NextItem;
return(true);
}
if (foundItem.Equals(this._lastItem))
{
this._lastItem = this._lastItem.ItemBefore;
return(true);
}
if (foundItem == null)
{
return(false);
}
else
{
foundItem.ItemBefore.NextItem = foundItem.NextItem;
foundItem.NextItem.ItemBefore = foundItem.ItemBefore;
return(true);
}
}
public bool Remove(T itemToRemove)
{
if (itemToRemove == null)
{
return(false);
}
if (this._firstItem == null)
{
return(false);
}
DoubleLinkedListItem <T> found = Find(itemToRemove);
if (found == null)
{
return(false);
}
if (found.Equals(_firstItem.Item))
{
_firstItem = _firstItem.NextItem;
_firstItem.PreviousItem = null;
return(true);
}
if (found == _lastItem)
{
_lastItem = _lastItem.PreviousItem;
_lastItem.NextItem = null;
return(true);
}
found.NextItem.PreviousItem = found.PreviousItem;
found.PreviousItem.NextItem = found.NextItem;
return(true);
}