lnTop = OBJTOCLIENT( Thisform, 1 ) + OBJTOCLIENT( toControl, 1 ) + toControl.Height + ;
                IIF( Thisform.TitleBar = 1, SYSMETRIC( 9 ) + 2, 2 )
lnLeft = OBJTOCLIENT( Thisform, 2 ) + OBJTOCLIENT( toControl, 2 )