SUB Dplot_writelog(Logtext$,OPTIONAL INTEGER Mode)
!
! Write text specified in Logtext$ into log file
! Filename= Filename="..\All Users\Application Data\GRAPH-XT\Dplot_dbg.log"
! - or - (if above fails): Filename=SYSTEM$("MSI")&"\Dplot_dbg.log"
!
! Mode = Write mode: 1=normal, 3=without date, 4=no append (create new file)
Dplot_writelog writes text into logfile (name fixed: Dplot_dbg.log). Useful for debugging purposes.