public void add(string label, ushort address)
{
labelitem current;
if (root == null)
{
root = new labelitem(label, address);
return;
}
current = root;
while (true)
{
if (String.Compare(label, current.label) < 0)
{
if (current.l == null)
{
current.l = new labelitem(label, address);
return;
}
current = current.l;
}
else
{
if(current.r == null)
{
current.r = new labelitem(label, address);
return;
}
current = current.r;
}
}
}
private string printlabelitem(labelitem start)
{
if (start == null) { return ""; }
return printlabelitem(start.l) + " " + start.label + " " + printlabelitem(start.r) + "";
}
