private void PreOrder(NodeTreeMy<int> root)
{
if (root != null)
{
root.DisplayNode();
PreOrder(root.Left);
PreOrder(root.Right);
}
}
private void InOrder(NodeTreeMy<int> root)
{
if (root!=null)
{
InOrder(root.Left);
root.DisplayNode();
InOrder(root.Right);
}
}