hi, i  have the following code from my old application. it shows for our carfleet when a car is booked. this i wanna now convert to the infragistics gantt. some things working, but iam does'nt found some properties.
and i need also info ,how to hide or show the task columns on the left

Me.Gantt1.ClearSchedule
Me.Gantt1.TimeLines = True
Me.Gantt1.DateOffset = 2

'-- the first date the gantt starts with
Me.Gantt1.DateStart = dStartdatum
Me.Gantt1.DateEnd = dStartdatum + 30 'dEndedatum
Me.Gantt1.RulerFont = "Tahoma"
Me.Gantt1.RulerFont.Bold = True
Me.Gantt1.TitleFont.Bold = True

Me.Gantt1.TipsType = 2
Me.Gantt1.TipsDelay = 2


 intLoad = Gantt1.AddItem("CARID")

  dDatumtooltip = Startdatum & " " & startzeit & "->" & Endedatum & " " & Endezeit
        nBar = Me.Gantt1.AddTimeBar(intLoad, 0, 60 * 24, Startdatum), Endedatum))
        Me.Gantt1.BarReadOnly(intLoad, nBar) = True

        Me.Gantt1.BarText(intLoad, nBar) = Name & " -- " & dDatumtooltip
        Me.Gantt1.BarReadOnly(intLoad, nBar) = True
        Me.Gantt1.BarTimeStart(intLoad, nBar) = Hour(Startzeit)) * 60 '24
    
        Me.Gantt1.BarTimeEnd(intLoad, nBar) = Hour(Endezeit)) * 60 '24