public void TraverseInOrderNonRecursive()
{
if (Root != null)
{
Stack stack = new Stack(this.Count);
var root = Root;
while (true)
{
while (root != null)
{
stack.Push(root);
root = root.Left;
}
if (stack.Size > 0)
{
root = (BinaryTreeNode)stack.Pop();
Console.WriteLine(root.Value);
root = root.Right;
}
else
{
break;
}
}
}
}
public void TraversePostOrderNonRecursive()
{
if (Root != null)
{
Stack stack = new Stack(this.Count);
var root = Root;
while (true)
{
if (root != null)
{
stack.Push(root);
root = root.Left;
}
else
{
if (stack.Size > 0)
{
if (((BinaryTreeNode)stack.Top()).Right == null)
{
root = (BinaryTreeNode)stack.Pop();
Console.WriteLine(root.Value);
var top = (BinaryTreeNode)stack.Top();
if (root.Value == top.Right.Value)
{
Console.WriteLine(top.Value);
stack.Pop();
}
if (stack.Size > 0)
root = ((BinaryTreeNode)stack.Top()).Right;
}
else
{
root = null;
}
}
else
{
return;
}
}
}
}
}