public static void Main(string[] args)
{
BinaryTree tree = new BinaryTree(1);
tree.leftChild = new BinaryTree(2);
tree.rightChild = new BinaryTree(3);
tree.leftChild.leftChild = new BinaryTree(4);
tree.leftChild.rightChild = new BinaryTree(5);
tree.rightChild.leftChild = new BinaryTree(6);
Invert invert = new Invert();
invert.InvertBTree(tree);
}
