title: XML read specific attribute
body: <p>i'm tryin' to create a small application which allows its users to edit xml files.</p>
  
  <p>I got XML file like this :</p>
  
  <pre><code>&lt;item id="1" name="item_01"&gt;
      &lt;property name="Meshfile" value="path_to_mesh_file" /&gt;
      &lt;property name="Material" value="organic" /&gt;
      &lt;property name="HoldType" value="23" /&gt;
      &lt;property name="Stacknumber" value="50" /&gt;&lt;/property&gt;
  &lt;/item&gt;
  &lt;item id="2" name="item_02"&gt;
      &lt;property name="Meshfile" value="path_to_mesh_file" /&gt;
      &lt;property name="Material" value="organic" /&gt;
      &lt;property name="HoldType" value="23" /&gt;
      &lt;property name="Stacknumber" value="50" /&gt;&lt;/property&gt;
  &lt;/item&gt;
  &lt;item id="3" name="item_03"&gt;
      &lt;property name="Meshfile" value="path_to_mesh_file" /&gt;
      &lt;property name="Material" value="organic" /&gt;
      &lt;property name="HoldType" value="23" /&gt;
      &lt;property name="Stacknumber" value="50" /&gt;&lt;/property&gt;
  &lt;/item&gt;
  &lt;item id="4" name="item_04"&gt;
      &lt;property name="Meshfile" value="path_to_mesh_file" /&gt;
      &lt;property name="Material" value="organic" /&gt;
      &lt;property name="HoldType" value="23" /&gt;
      &lt;property name="Stacknumber" value="50" /&gt;&lt;/property&gt;
  &lt;/item&gt;
  </code></pre>
  
  <p>But i need to add into combobox every VALUE of Meshfiles , but im not sure how to.</p>