Saves this profile toolbar as XML information.
        
        :return     <xml.etree.ElementTree.Element>

def toXml(self):
        """
        Saves this profile toolbar as XML information.
        
        :return     <xml.etree.ElementTree.Element>
        """
        xtoolbar = ElementTree.Element('toolbar')
        
        prof = self._currentProfile
        if prof is not None:
            xtoolbar.set('current', prof.name())
        
        for profile in self.profiles():
            profile.toXml(xtoolbar)
        
        return xtoolbar