Hello Pixie,
Thank you for writing.
In order to achieve your goal, you can subscribe to the ChartElement.LegendElement.VisualItemCreating event and replace the default LegendItemElement with your custom one containing a RadCheckBoxElement. Here is a sample code snippet:
I hope this information helps. Should you have further questions I would be glad to help.
Regards,
Dess
Telerik
Thank you for writing.
In order to achieve your goal, you can subscribe to the ChartElement.LegendElement.VisualItemCreating event and replace the default LegendItemElement with your custom one containing a RadCheckBoxElement. Here is a sample code snippet:
public Form1(){ InitializeComponent(); this.radChartView1.ChartElement.LegendElement.VisualItemCreating += LegendElement_VisualItemCreating; BarSeries barSeries = new BarSeries("Performance", "RepresentativeName"); barSeries.LegendTitle = "Q1"; barSeries.DataPoints.Add(new CategoricalDataPoint(177, "Harley")); barSeries.DataPoints.Add(new CategoricalDataPoint(128, "White")); barSeries.DataPoints.Add(new CategoricalDataPoint(143, "Smith")); barSeries.DataPoints.Add(new CategoricalDataPoint(111, "Jones")); barSeries.DataPoints.Add(new CategoricalDataPoint(118, "Marshall")); this.radChartView1.Series.Add(barSeries); BarSeries barSeries2 = new BarSeries("Performance", "RepresentativeName"); barSeries2.LegendTitle = "Q2"; barSeries2.DataPoints.Add(new CategoricalDataPoint(153, "Harley")); barSeries2.DataPoints.Add(new CategoricalDataPoint(141, "White")); barSeries2.DataPoints.Add(new CategoricalDataPoint(130, "Smith")); barSeries2.DataPoints.Add(new CategoricalDataPoint(88, "Jones")); barSeries2.DataPoints.Add(new CategoricalDataPoint(109, "Marshall")); this.radChartView1.Series.Add(barSeries2); this.radChartView1.ShowLegend = true; this.radChartView1.LegendTitle = "Legend";}private void LegendElement_VisualItemCreating(object sender, LegendItemElementCreatingEventArgs e){ e.ItemElement = new CustomLegendItemElement(e.LegendItem);}public class CustomLegendItemElement : LegendItemElement{ public CustomLegendItemElement(LegendItem item) : base(item) { } RadCheckBoxElement cb = new RadCheckBoxElement(); protected override void CreateChildElements() { base.CreateChildElements(); this.MarkerElement.Visibility = Telerik.WinControls.ElementVisibility.Collapsed; cb.ToggleState = Telerik.WinControls.Enumerations.ToggleState.On; this.Children.Add(cb); cb.ToggleStateChanged += cb_ToggleStateChanged; } private void cb_ToggleStateChanged(object sender, StateChangedEventArgs args) { if (args.ToggleState == Telerik.WinControls.Enumerations.ToggleState.On) { this.LegendItem.Element.IsVisible = true; } else { this.LegendItem.Element.IsVisible = false; } }}I hope this information helps. Should you have further questions I would be glad to help.
Dess
Telerik
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