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Class LineSeries - MAUI API Reference | Syncfusion

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    Class LineSeries

    The LineSeries displays a collection of data points connected using straight lines.

    Inheritance
    System.Object
    ChartSeries
    CartesianSeries
    XYDataSeries
    LineSeries
    StepLineSeries
    Inherited Members
    CartesianSeries.ActualXAxis
    CartesianSeries.ActualYAxis
    CartesianSeries.DataLabelSettings
    CartesianSeries.DataLabelSettingsProperty
    CartesianSeries.GetDataPoints(Double, Double, Double, Double)
    CartesianSeries.GetDataPoints(Rect)
    CartesianSeries.Label
    CartesianSeries.LabelProperty
    CartesianSeries.ShowTrackballLabel
    CartesianSeries.ShowTrackballLabelProperty
    CartesianSeries.TrackballLabelTemplate
    CartesianSeries.TrackballLabelTemplateProperty
    CartesianSeries.XAxisName
    CartesianSeries.XAxisNameProperty
    CartesianSeries.YAxisName
    CartesianSeries.YAxisNameProperty
    ChartSeries.CreateAnimation(Action<Double>)
    ChartSeries.DrawDataLabel(ICanvas, Brush, String, PointF, Int32)
    ChartSeries.DrawSeries(ICanvas, ReadOnlyObservableCollection<ChartSegment>, RectF)
    ChartSeries.EnableAnimation
    ChartSeries.EnableAnimationProperty
    ChartSeries.EnableTooltip
    ChartSeries.EnableTooltipProperty
    ChartSeries.Fill
    ChartSeries.FillProperty
    ChartSeries.GetDataPointIndex(Single, Single)
    ChartSeries.IsVisible
    ChartSeries.IsVisibleOnLegend
    ChartSeries.IsVisibleOnLegendProperty
    ChartSeries.IsVisibleProperty
    ChartSeries.ItemsSource
    ChartSeries.ItemsSourceProperty
    ChartSeries.LabelContext
    ChartSeries.LabelContextProperty
    ChartSeries.LabelTemplate
    ChartSeries.LabelTemplateProperty
    ChartSeries.LegendIcon
    ChartSeries.LegendIconProperty
    ChartSeries.OnParentSet()
    ChartSeries.Opacity
    ChartSeries.OpacityProperty
    ChartSeries.PaletteBrushes
    ChartSeries.PaletteBrushesProperty
    ChartSeries.SelectionBehavior
    ChartSeries.SelectionBehaviorProperty
    ChartSeries.ShowDataLabels
    ChartSeries.ShowDataLabelsProperty
    ChartSeries.TooltipTemplate
    ChartSeries.TooltipTemplateProperty
    ChartSeries.XBindingPath
    ChartSeries.XBindingPathProperty
    ChartSeries.XRange
    ChartSeries.YRange
    XYDataSeries.StrokeWidth
    XYDataSeries.StrokeWidthProperty
    XYDataSeries.YBindingPath
    XYDataSeries.YBindingPathProperty
    Namespace: Syncfusion.Maui.Charts
    Assembly: Syncfusion.Maui.Charts.dll
    Syntax
    public class LineSeries : XYDataSeries, IDatapointSelectionDependent, ITooltipDependent, IDataTemplateDependent, IDrawCustomLegendIcon, IMarkerDependent
    Remarks

    To render a series, create an instance of LineSeries class, and add it to the Series collection.

    It provides options for Fill, PaletteBrushes, StrokeWidth, StrokeDashArray, and Opacity to customize the appearance.

    EnableTooltip - A tooltip displays information while tapping or mouse hovering above a segment. To display the tooltip on a chart, you need to set the EnableTooltip property as true in LineSeries class, and also refer TooltipBehavior property.

    Data Label - Data labels are used to display values related to a chart segment. To render the data labels, you need to set the ShowDataLabels property as true in LineSeries class. To customize the chart data labels alignment, placement, and label styles, you need to create an instance of CartesianDataLabelSettings and set to the DataLabelSettings property.

    Animation - To animate the series, set True to the EnableAnimation property.

    LegendIcon - To customize the legend icon using the LegendIcon property.

    Examples
    • Xaml
    • C#
    • ViewModel
        <chart:SfCartesianChart>
    
              <chart:SfCartesianChart.XAxes>
                  <chart:NumericalAxis/>
              </chart:SfCartesianChart.XAxes>
    
              <chart:SfCartesianChart.YAxes>
                  <chart:NumericalAxis/>
              </chart:SfCartesianChart.YAxes>
    
              <chart:SfCartesianChart.Series>
                  <chart:LineSeries
                      ItemsSource="{Binding Data}"
                      XBindingPath="XValue"
                      YBindingPath="YValue"/>
              </chart:SfCartesianChart.Series>  
    
        </chart:SfCartesianChart>
        SfCartesianChart chart = new SfCartesianChart();
    
        NumericalAxis xAxis = new NumericalAxis();
        NumericalAxis yAxis = new NumericalAxis();
    
        chart.XAxes.Add(xAxis);
        chart.YAxes.Add(yAxis);
    
        ViewModel viewModel = new ViewModel();
    
        LineSeries series = new LineSeries();
        series.ItemsSource = viewModel.Data;
        series.XBindingPath = "XValue";
        series.YBindingPath = "YValue";
        chart.Series.Add(series);
        public ObservableCollection<Model> Data { get; set; }
    
        public ViewModel()
        {
           Data = new ObservableCollection<Model>();
           Data.Add(new Model() { XValue = 10, YValue = 100 });
           Data.Add(new Model() { XValue = 20, YValue = 150 });
           Data.Add(new Model() { XValue = 30, YValue = 110 });
           Data.Add(new Model() { XValue = 40, YValue = 230 });
        }

    Constructors

    LineSeries()

    Initializes a new instance of the LineSeries class.

    Declaration
    public LineSeries()

    Fields

    MarkerSettingsProperty

    Identifies the MarkerSettings bindable property.

    Declaration
    public static readonly BindableProperty MarkerSettingsProperty
    Field Value
    Type
    Microsoft.Maui.Controls.BindableProperty

    ShowMarkersProperty

    Identifies the ShowMarkers bindable property.

    Declaration
    public static readonly BindableProperty ShowMarkersProperty
    Field Value
    Type
    Microsoft.Maui.Controls.BindableProperty

    StrokeDashArrayProperty

    Identifies the StrokeDashArray bindable property.

    Declaration
    public static readonly BindableProperty StrokeDashArrayProperty
    Field Value
    Type
    Microsoft.Maui.Controls.BindableProperty

    Properties

    MarkerSettings

    Gets or sets the option for customize the series markers.

    Declaration
    public ChartMarkerSettings MarkerSettings { get; set; }
    Property Value
    Type Description
    ChartMarkerSettings

    It accepts ChartMarkerSettings.

    Examples
    • Xaml
    • C#
        <chart:SfCartesianChart>
    
        <!-- ... Eliminated for simplicity-->
    
             <chart:LineSeries ItemsSource="{Binding Data}"
                               XBindingPath="XValue"
                               YBindingPath="YValue"
                               ShowMarkers="True">
                  <chart:LineSeries.MarkerSettings>
                        <chart:ChartMarkerSettings Fill="Red" Height="15" Width="15" />
                  </chart:LineSeries.MarkerSettings>
             </chart:LineSeries>
    
        </chart:SfCartesianChart>
        SfCartesianChart chart = new SfCartesianChart();
        ViewModel viewModel = new ViewModel();
    
        // Eliminated for simplicity
    
       ChartMarkerSettings chartMarkerSettings = new ChartMarkerSettings()
       {
           Fill = new SolidColorBrush(Colors.Red),
           Height = 15,
           Width = 15,
       };
        LineSeries series = new LineSeries()
        {
              ItemsSource = viewModel.Data,
              XBindingPath = "XValue",
              YBindingPath = "YValue",
              ShowMarkers= true,
              MarkerSettings= chartMarkerSettings,
        };
    
        chart.Series.Add(series);

    ShowMarkers

    Gets or sets the value indicating whether to show markers for the series data point.

    Declaration
    public bool ShowMarkers { get; set; }
    Property Value
    Type Description
    System.Boolean

    It accepts boolean values and its default value is false.

    Examples
    • Xaml
    • C#
        <chart:SfCartesianChart>
    
        <!-- ... Eliminated for simplicity-->
    
             <chart:LineSeries ItemsSource="{Binding Data}"
                               XBindingPath="XValue"
                               YBindingPath="YValue"
                               ShowMarkers="True"/>
    
        </chart:SfCartesianChart>
        SfCartesianChart chart = new SfCartesianChart();
        ViewModel viewModel = new ViewModel();
    
        // Eliminated for simplicity
    
        LineSeries series = new LineSeries()
        {
              ItemsSource = viewModel.Data,
              XBindingPath = "XValue",
              YBindingPath = "YValue",
              ShowMarkers= true,
        };
    
        chart.Series.Add(series);

    StrokeDashArray

    Gets or sets the stroke dash array to customize the appearance of stroke.

    Declaration
    public DoubleCollection StrokeDashArray { get; set; }
    Property Value
    Type Description
    Microsoft.Maui.Controls.DoubleCollection

    It accepts the Microsoft.Maui.Controls.DoubleCollection value and the default value is null.

    Examples
    • Xaml
    • C#
        <chart:SfCartesianChart>
    
        <!-- ... Eliminated for simplicity-->
    
             <chart:LineSeries ItemsSource="{Binding Data}"
                               XBindingPath="XValue"
                               YBindingPath="YValue"
                               StrokeDashArray="5,3"
                               Stroke = "Red" />
    
        </chart:SfCartesianChart>
        SfCartesianChart chart = new SfCartesianChart();
        ViewModel viewModel = new ViewModel();
    
        // Eliminated for simplicity
    
        DoubleCollection doubleCollection = new DoubleCollection();
        doubleCollection.Add(5);
        doubleCollection.Add(3);
        LineSeries series = new LineSeries()
        {
              ItemsSource = viewModel.Data,
              XBindingPath = "XValue",
              YBindingPath = "YValue",
              StrokeDashArray = doubleCollection,
              Stroke = new SolidColorBrush(Colors.Red),
        };
    
        chart.Series.Add(series);

    Methods

    CreateSegment()

    Declaration
    protected override ChartSegment CreateSegment()
    Returns
    Type
    ChartSegment
    Overrides
    ChartSeries.CreateSegment()

    DrawMarker(ICanvas, Int32, ShapeType, Rect)

    Declaration
    protected virtual void DrawMarker(ICanvas canvas, int index, ShapeType type, Rect rect)
    Parameters
    Type Name Description
    Microsoft.Maui.Graphics.ICanvas canvas
    System.Int32 index
    ShapeType type
    Microsoft.Maui.Graphics.Rect rect

    OnBindingContextChanged()

    Declaration
    protected override void OnBindingContextChanged()
    Overrides
    CartesianSeries.OnBindingContextChanged()

    See Also

    LineSegment
    SplineSeries
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