Using c# / WPF / livecharts. How can I set visibility of individual item at SeriesCollection?

Using c# / WPF / livecharts. How can I set visibility of individual item at SeriesCollection?

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Using c# / WPF / livecharts. How can I set visibility of individual item at SeriesCollection?
Tag : chash , By : rixtertech
Date : November 29 2020, 12:01 PM

should help you out Just had the same Problem and found a solution.
you can cast your SeriesCollection[idx] to the kind of Series you are using like so:
LineSeries seriesToHide = (MainChartSeries[idx] as LineSeries);
seriesToHide.Visibility = Visibility.Collapsed;

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Adding an individual array list item to individual tile

Tag : java , By : AJacques
Date : March 29 2020, 07:55 AM
I hope this helps . If you want to assign values to the itemTile array inside a method like displayItems2, there are two possibilities: 1) pass a reference to itemTile into displayItems2 or 2) make itemTile a class member.
Example 1 (pass a reference):
private void displayItems2(HBox itemTile) {
    // [...]
    itemTile[i] = descs.get(i);
class MyClass {

    // [...]
    HBox itemTile;

    // [...]
    private void displayItems2() {
       // [...]
       itemTile[i] = descs.get(i);

How to check visibility of item in FlatList at different visibility percentages?

Tag : javascript , By : RichAA
Date : March 29 2020, 07:55 AM
wish of those help I just noticed that FlatList takes a prop called viewabilityConfigCallbackPairs whose format is not fully documented at https://facebook.github.io/react-native/docs/virtualizedlist.html#viewabilityconfigcallbackpairs
Basically what this does is that it will take an array of objects with key/value pairs for viewabilityConfig and onViewableItemsChanged. This will allow you to define any handlers for each different viewability configurations.
    keyExtractor={(item) => item.id }
this.viewabilityConfigCallbackPairs = [{
    viewabilityConfig: {
      minimumViewTime: 500,
      itemVisiblePercentThreshold: 100
    onViewableItemsChanged: this.handleItemsInViewPort
    viewabilityConfig: {
      minimumViewTime: 150,
      itemVisiblePercentThreshold: 10
    onViewableItemsChanged: this.handleItemsPartiallyVisible

C# WPF LiveCharts toggle chart associated to legend item

Tag : chash , By : Mostapen
Date : March 29 2020, 07:55 AM
wish of those help You'll have to override default template in order to receive MouseLeftButtonDown event on individual legend as default legend is just a collection of series.
        <ItemsControl ItemsSource="{Binding Series}">
                    <StackPanel Orientation="Horizontal" />
                    <StackPanel Orientation="Horizontal" MouseLeftButtonDown="StackPanel_MouseLeftButtonDown">
                        <Ellipse Height="16"
                                 Stroke="{Binding Stroke}"
                                 StrokeThickness="{Binding StrokeThickness}" />
                        <TextBlock Text="{Binding Title}" Padding="5" Margin="5" />

LiveCharts SeriesCollection not showing on CartesianChart

Tag : chash , By : Simone
Date : March 29 2020, 07:55 AM
I hope this helps you . I solved my own problem. The issue was that I was running the same method every time I wanted to update the graph data (as shown above):
private void UpdateGraphStatistics()
    var compdata = new List<double>();
    var dqdata = new List<double>();

    foreach (var item in Competitors)
        if (!item.DQ)
        else if (item.DQ)

    GraphData = new GraphModel(compdata, dqdata);
public void ParseData(List<CompetitorModel> compData, List<CompetitorModel> dqData)

    // Convert competitionData into observable points
    int count = 0;
    foreach (var item in compData)
        CompetitionData.Add(new ObservablePoint(count++, item.VIs));

    // Convert dqdata into observable points
    int offsetX = compData.Count;
    foreach (var item in dqData)
        DQData.Add(new ObservablePoint(offsetX++, item.VIs));

Individual DataGrid Row Visibility

Tag : wpf , By : Joshua Johnson
Date : March 29 2020, 07:55 AM
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