code: public void setTargetFolder(CmsUUID structureId) throws CmsException {
  
          CmsObject cms = A_CmsUI.getCmsObject();
          CmsResource res = cms.readResource(structureId);
          setTargetForlder(res);
      }
docs: Preselects the target folder.<p>
  
  @param structureId the target structure id
  
  @throws CmsException in case the target can not be read or is not a folder