--background-- 
     --rexxhost-- 
     adddtobject() 
     disposedtobject() 
     doasynclayout() 
     dodtmethoda() 
     drawdtobjecta() 
     getdtattrsa() 
     getdtmethods() 
     getdtstring() 
     getdttriggermethods() 
     newdtobjecta() 
     obtaindatatypea() 
     obtaindtdrawinfoa() 
     printdtobjecta() 
     refreshdtobjecta() 
     releasedatatype() 
     releasedtdrawinfo() 
     removedtobject() 
     setdtattrsa()