Programmatically create quicktabs

gistfile1.php

<?php

function mymodule_block($op = 'list', $delta = 0, $edit = array()) {
  switch($op) {
    case 'list':
      $blocks['mymodule_quicktabs'] =  array('info' => t('[mymodule] Quicktabs'));
      return $blocks;
      break;
    case 'view':
      switch ($delta) {
        case 'mymodule_quicktabs':
          //set tab content
          $tabs['tabcontent'] = array(
            'title' => t('Tab 1'),
            'type' => 'freetext',
            'text' => t('Free Text'),
          );
          $quicktabs['qtid'] = 'mymodule_quicktabs';
          $quicktabs['tabs'] = $tabs;
          $quicktabs['style'] = 'Zen';
          $quicktabs['ajax'] = FALSE;
          $block = array('subject' => '', 'content' => theme('quicktabs', $quicktabs));
          return $block;
          break;            
      }
   }
}