public binarytreeNode AddNode(int value)
{
binarytreeNode newnode = new binarytreeNode();
newnode.Left = null;
newnode.Right = null;
newnode.data = value;
return(newnode);
}
static void Main(string[] args)
{
binarytree mybtree = new binarytree();
binarytreeNode head = mybtree.AddNode(4);
}
