public void AddChild(BinaryTreeNode btn, NodeDirection nd)
{
btn.Parent = this;
if(nd == NodeDirection.Left)
this.LeftChild = btn;
else
this.RightChild = btn;
}
public void AddChildren(BinaryTreeNode btnLeftNode, BinaryTreeNode btnRightNode)
{
AddChild(btnLeftNode, NodeDirection.Left);
AddChild(btnRightNode, NodeDirection.Right);
}