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<a name="id-1.1.73"></a><div class="titlepage"></div>
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<h2>&lt;%GLibTraverseType&gt;</h2>
<p>&lt;%GLibTraverseType&gt;</p>
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<div class="refsect1">
<a name="id-1.1.73.2"></a><h2>Description</h2>
<p>Specifies the type of traversal performed by <code class="function">g_tree_traverse()</code>,
<code class="function">g_node_traverse()</code> and <code class="function">g_node_find()</code>. The different orders are
illustrated here:
- In order: A, B, C, D, E, F, G, H, I
  ![](Sorted_binary_tree_inorder.svg)
- Pre order: F, B, A, D, C, E, G, I, H
  ![](Sorted_binary_tree_preorder.svg)
- Post order: A, C, E, D, B, H, I, G, F
  ![](Sorted_binary_tree_postorder.svg)
- Level order: F, B, G, A, D, I, C, E, H
  ![](Sorted_binary_tree_breadth-first_traversal.svg)</p>
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<div class="refsect1">
<a name="id-1.1.73.3"></a><h2>Members</h2>
<div class="refsect2">
<a name="id-1.1.73.3.2"></a><h3>in-order</h3>
<p class="remark"><em><span class="remark">alias <code class="code">G_IN_ORDER</code></span></em></p>
<p>vists a node's left child first, then the node itself,
             then its right child. This is the one to use if you
             want the output sorted according to the compare
             function.</p>
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<div class="refsect2">
<a name="id-1.1.73.3.3"></a><h3>pre-order</h3>
<p class="remark"><em><span class="remark">alias <code class="code">G_PRE_ORDER</code></span></em></p>
<p>visits a node, then its children.</p>
</div>
<div class="refsect2">
<a name="id-1.1.73.3.4"></a><h3>post-order</h3>
<p class="remark"><em><span class="remark">alias <code class="code">G_POST_ORDER</code></span></em></p>
<p>visits the node's children, then the node itself.</p>
</div>
<div class="refsect2">
<a name="id-1.1.73.3.5"></a><h3>level-order</h3>
<p class="remark"><em><span class="remark">alias <code class="code">G_LEVEL_ORDER</code></span></em></p>
<p>is not implemented for
             [balanced binary trees][glib-Balanced-Binary-Trees].
             For [n-ary trees][glib-N-ary-Trees], it
             vists the root node first, then its children, then
             its grandchildren, and so on. Note that this is less
             efficient than the other orders.</p>
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