static void Main(string[] args)
{
BinaryTree tree = new BinaryTree();
/*create root*/
tree.root = new Node(1);
tree.root.left = new Node(2);
tree.root.right = new Node(3);
tree.root.right.left = new Node(5);
tree.root.left.left = new Node(4);
tree.root.left.left.left = new Node(6);
tree.PreOrderRecurrsive(tree.root);
//Console.WriteLine("--------------------------");
//tree.PreOrderByLoop();
tree.InOrderbyLopp();
}
