public override string ToString()
{
if (root == null)
{
return("<empty tree>");
}
return(root.ToStringFormatted(0));
}
public string ToStringFormatted(int tabIndex)
{
return((new string(' ', tabIndex)) + "coord=" + coords.ToString() + ", value=" + value.ToString() + "\n" +
(new string(' ', tabIndex)) + " left: " +
(left == null ? "<null>" : ("\n" + left.ToStringFormatted(tabIndex + 6))) +
"\n" + (new string(' ', tabIndex)) + " right: " +
(right == null ? "<null>" : ("\n" + right.ToStringFormatted(tabIndex + 6))) + "\n");
}