Dynamic Visibility

View model

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;

namespace ViewModelsSamples.General.Visibility;

public partial class PlotData(double[] values) : ObservableObject
{
    public double[] Values { get; set; } = values;

    [ObservableProperty]
    public partial bool IsVisible { get; set; } = true;

    [RelayCommand]
    public void ToggleVisibility() => IsVisible = !IsVisible;
}

public class ViewModel
{
    public PlotData[] Data { get; set; } = [
        new([2, 5, 4, 3]),
        new([1, 2, 3, 4]),
        new([4, 3, 2, 1])
    ];
}

XAML

<UserControl
    x:Class="WinUISample.General.Visibility.View"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:lvc="using:LiveChartsCore.SkiaSharpView.WinUI"
    xmlns:vms="using:ViewModelsSamples.General.Visibility"
    mc:Ignorable="d">

    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>

    <Grid RowDefinitions="Auto, *">
        <StackPanel Grid.Row="0" Orientation="Horizontal">
            <Button Margin="6" Command="{Binding Data[0].ToggleVisibilityCommand}" Content="toggle 1"/>
            <Button Margin="6" Command="{Binding Data[1].ToggleVisibilityCommand}" Content="toggle 2"/>
            <Button Margin="6" Command="{Binding Data[2].ToggleVisibilityCommand}" Content="toggle 3"/>
        </StackPanel>

        <lvc:CartesianChart Grid.Row="1" SeriesSource="{Binding Data}">
            <lvc:CartesianChart.SeriesTemplate>
                <DataTemplate>
                    <lvc:XamlColumnSeries
                        Values="{Binding Values}"
                        IsVisible="{Binding IsVisible}"/>
                </DataTemplate>
            </lvc:CartesianChart.SeriesTemplate>
        </lvc:CartesianChart>
    </Grid>

</UserControl>

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