/**
  * Check if the form is submitted by validating the value of the hidden
  * vf__dispatch field.
  *
  * @param boolean $blnForce
  *            Fake isSubmitted to true to force field values.
  * @return boolean [description]
  */
 public function isSubmitted($blnForce = false)
 {
     if (ValidForm::get("vf__dispatch") == $this->__name || $blnForce) {
         if ($this->__usecsrfprotection && !$blnForce) {
             return CSRF::validate($_POST);
         } else {
             return true;
         }
     } else {
         return false;
     }
 }