/**
  * Many CSS frameworks use families of classes, which are built up from a base family name. For example,
  * Bootstrap uses 'col-lg-6' to represent a column that is 6 units wide on large screens and Foundation
  * uses 'large-6' to do the same thing. This utility removes classes that start with a particular prefix
  * to remove whatever sizing class was specified.
  *
  * @param string $strPrefix
  */
 public function RemoveCssClassesByPrefix($strPrefix)
 {
     if (!$strPrefix) {
         return;
     }
     $strClasses = $this->GetHtmlAttribute('class');
     if ($strClasses && QHtml::RemoveClassesByPrefix($strClasses, $strPrefix)) {
         $this->SetHtmlAttribute('class', $strClasses);
     }
 }