protected void GetLeafLevelItems(MultiLevelItem <T> node, List <MultiLevelItem <T> > selection)
{
if (node == null)
{
return;
}
if (node.IsLeaf)
{
selection.Add(node);
return;
}
for (int i = 0; i < node.ChildCount; ++i)
{
GetLeafLevelItems(node.GetChild(i), selection);
}
}
protected bool IsDescendentOf(MultiLevelItem <T> node1, MultiLevelItem <T> node2)
{
if (node1.Equals(node2))
{
return(true);
}
if (node2.IsLeaf)
{
return(false);
}
for (int i = 0; i < node2.ChildCount; ++i)
{
if (IsDescendentOf(node1, node2.GetChild(i)))
{
return(true);
}
}
return(false);
}