Hi, how to populate combobox with label and value from XML?

<test>
<font>
<label>Font 1</label>
<value>fnt1</value>

<label>Font 2</label>
<value>fnt2</value>

<label>Font 3</label>
<value>fnt3</value>

<label>Font 4</label>
<value>fnt5</value>
</font>
</test>