public bool Contains(T possibleChild)
{
IDirectedGraphNode <T> tn = possibleChild as IDirectedGraphNode <T>;
if (tn == null)
{
tn = new DirectedGraphNode <T>(possibleChild);
}
return(ContainsNode(tn));
}
public IDirectedGraphNode <T> AddNode(IDirectedGraphNode <T> dgn)
{
if (!m_members.Contains(dgn))
{
m_members.Add(dgn);
if (OnGainedMembership != null)
{
OnGainedMembership(m_parent);
}
}
return(dgn);
}
/// <summary>
/// Adds the specified new member to this collection.
/// </summary>
/// <param name="newMember">The new member.</param>
/// <returns>The DirectedGraphNode that resulted from this addition - either the node to be added, or its DirectedGraphNode wrapper.</returns>
public IDirectedGraphNode <T> Add(T newMember)
{
// If necessary, create a DirectedGraphNode wrapper.
IDirectedGraphNode <T> tn = newMember as IDirectedGraphNode <T>;
if (tn == null)
{
tn = new DirectedGraphNode <T>(newMember);
}
return(AddNode(tn));
}
/// <summary>
/// Removes the specified existing member from this collection.
/// </summary>
/// <param name="existingChild">The existing member.</param>
/// <returns>True if the removal was successful, otherwise, false.</returns>
public bool Remove(IDirectedGraphNode <T> existingMember)
{
if (m_members.Remove(existingChild))
{
m_parent.Root.MyEventController.OnSubtreeChanged(SubtreeChangeType.GainedNode, existingChild);
m_parent.MyEventController.OnLostChild(existingChild);
existingChild.MyEventController.OnLostParent(m_parent);
return(true);
}
else
{
return(false);
}
}
public bool ContainsNode(IDirectedGraphNode <T> possibleChildNode)
{
return(m_members.Contains(possibleChildNode));
}
