function getComputed ($propName, $default = null)
  {
    $v = $this->component->getComputedPropValue ($propName);
    return exists ($v) ? $v : $default;
  }
function getComputed ($propName, $default = null)
  {
    $v = $this->component->getComputedPropValue ($propName);
    return exists ($v) ? $v : $default;
  }
function getComputed ( $ propName , $ default = null ) { $ v = $ this -> component -> getComputedPropValue ( $ propName ) ; return exists ( $ v ) ? $ v : $ default ; }
Gets the value of the specified property, performing data binding if the property is bound.

@param string $propName
@param mixed  $default [optional]
@return mixed
@throws ComponentException
@throws DataBindingException
Gets the value of the specified property performing data binding if the property is bound .