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ArgumentOutOfRangeException when updating palette for pie chart

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This is a migrated thread and some comments may be shown as answers.
Stephen
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Stephen asked on 27 Sep 2013, 05:33 PM
Hi, when the data is updated for a chart's ItemsSource, the palette is also updated (the property is linked to a converter). However, there is a problem when trying to apply this palette to the pie series. See below for the exception.

Parameter name: index
      at System.ThrowHelper.ThrowArgumentOutOfRangeException()
      at System.Collections.Generic.List`1.get_Item(Int32 index)
      at System.Collections.ObjectModel.Collection`1.get_Item(Int32 index)
      at Telerik.Windows.Controls.ChartView.ChartPalette.GetEntry(String family, Int32 index)
      at Telerik.Windows.Controls.ChartView.PieSeries.ApplyPaletteCore()
      at Telerik.Windows.Controls.ChartView.PresenterBase.ApplyPalette()
      at Telerik.Windows.Controls.ChartView.PresenterBase.UpdatePalette(Boolean force)
      at Telerik.Windows.Controls.ChartView.RadChartBase.ProcessPaletteChanged(Boolean force)
      at Telerik.Windows.Controls.ChartView.RadChartBase.OnPaletteChanged(DependencyObject target, DependencyPropertyChangedEventArgs args)
      at Telerik.Windows.PropertyMetadata.PropertyChangeHook.OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
      at System.Windows.DependencyObject.RaisePropertyChangeNotifications(DependencyProperty dp, Object oldValue, Object newValue)
      at System.Windows.DependencyObject.UpdateEffectiveValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, ValueOperation operation)
      at System.Windows.DependencyObject.RefreshExpression(DependencyProperty dp)
      at System.Windows.Data.BindingExpression.SendDataToTarget()
      at System.Windows.Data.BindingExpression.SourcePropertyChanged(PropertyPathListener sender, PropertyPathChangedEventArgs args)
      at System.Windows.PropertyPathListener.ReconnectPath()
      at System.Windows.Data.Debugging.BindingBreakPoint.<>c__DisplayClass4.<BreakOnSharedType>b__3()

Linear charts work fine, this is only a problem with pie charts. Pie charts load as expected - it's only when the palette is updated that this error is thrown.

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Petar Kirov
Telerik team
answered on 02 Oct 2013, 05:32 PM
Hi Stephen,

Given the provided information, I was not able to reproduce the exception that your are reporting. I have attached my test project for reference. In order to help you we will need to observe the problem on our side. It would be best if you could provide a runable project (perhaps a modified version of mine). Describing in more detail exactly how you are using RadPieChart could also be helpful.

Thanks for the understanding.
  
Regards,
Petar Kirov
Telerik
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Stephen
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answered on 15 Oct 2013, 04:24 PM
Thank you for your response. I fixed it by changing the pie series' ItemsSource, as it was set to a different collection than what the palette selector was listening to.
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Stephen
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