public bool AddVertex(int val, object data = null)
{
if (root != null)
{
root.GetEnd().Next = new VertexWirth(GetKey(), val, data);
}
else
{
root = new VertexWirth(GetKey(), val, data);
}
return(true);
}
public VertexWirth GetEnd()
{
if (Next == null)
{
return(this);
}
return(Next.GetEnd());
}
public bool AddVertex(int val)
{
root.GetEnd().Next = new VertexWirth(GetKey(), val);
return(true);
}