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ScatterLineSeries and Tooltip created in CodeBehind
posted

Hi,

I try to display several ScatterLineSeries in one xamDadaChart. Since they are unknown in count at designtime, I have to add them in code behind.

Previous first steps were made in LineSeries. Therein I managed to add a ToolTip in Code behind as well displaying Value and TimeStamp while hovering over the chart.

Now I was hoping that I would be able to simply copy and paste that snippet and it would work - I know, a little naive for a developer (I hope that caused a smile). You might have guessed it already, it did NOT work.

The following snippet compiles and runs. Unfortunately, it does not show up in the chart:

ScatterLineSeries series = new ScatterLineSeries();

//some more code to initialize the scatter series


//end of the initialisation

StackPanel sp = new StackPanel()
{
  Orientation = System.Windows.Controls.Orientation.Vertical
};

var txtbl = new TextBlock();
txtbl.SetBinding(TextBlock.TextProperty, new Binding("Series.Title"));
sp.Children.Add(txtbl);

txtbl = new TextBlock();
txtbl.SetBinding(TextBlock.TextProperty, new Binding("Item.Value"));
sp.Children.Add(txtbl);

txtbl = new TextBlock();
txtbl.SetBinding(TextBlock.TextProperty, new Binding("Item.DateString"));
sp.Children.Add(txtbl);

series.ToolTip = sp;

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  • 30692
    Offline posted

    Hi, do you see any binding errors in the output window when you run this? What do your items look like?

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