Sorry but it does not work for me.

When I set for exaple a string like "<h1 align='left'>AAA</h1>", my label show exactly that string, with html tags visible.

Have I forget to set a property specifing that the string contains html elements ?

Probably I did't explain my problem well.

I already use IRenderLabel to customize the text of my toollTip labels;

my problem is that I need to customize the appearance of the tooltip, i.e. align the text on the left.

Correct me if I'm wrong but I guess it's not possible to modify the text alignment of the ultrachart default tooltip.

So I've tried to show an UltraTooltipManager (instead of the default), everytime the mouse hover an item in the chart (handling DataItemHover DataItemOut events)

That worked fine, but spawn an other problem:

without the default tooltip, items aren't highligted anymore when mouse hovering them, so I need to maually highlight them (but how ?)

Is there a better way to solve my problem(s) ?

Thx in advance

The tooltip on the chart does not have detail formatting capability for the text; however; as I mentioned before, you could use our UltraToolTipManager to cutomize the formatting of the text that needs to be on the tooltip. You can add ultraToolTipManger component on the form, set the formatted text on ultraTooltipManager, and add the following code to show and hide in DataItemOver/Hide events:

ultraChart1.Tooltips.Format
                = Infragistics.UltraChart.Shared.Styles.TooltipStyle.None;
            ultraChart1.DataItemOver
                += new Infragistics.UltraChart.Shared.Events.DataItemOverEventHandler(ultraChart1_DataItemOver);
            ultraChart1.DataItemOut
                += new Infragistics.UltraChart.Shared.Events.DataItemOutEventHandler(ultraChart1_DataItemOut);

  void ultraChart1_DataItemOut(object sender, Infragistics.UltraChart.Shared.Events.ChartDataEventArgs e)
        {
            ultraToolTipManager1.HideToolTip();
        }

        void ultraChart1_DataItemOver(object sender, Infragistics.UltraChart.Shared.Events.ChartDataEventArgs e)
        {
            ultraToolTipManager1.ShowToolTip(ultraChart1);
        }

Ok,

this is exactly what I'm doing now, but I still cannot show highlighting when mouse hover dataItems...

How can I do that ?

Are you by any chance setting the Tooltip.Disapy to 'never'? If yes, then that affects on getting the datapoint highlighted.

Sorry my mistake.

I set tooltip Display to Never instead of Format to None.

Now it works fine.

Thx for the help