<Window xmlns:syncfusion="clr-namespace:Syncfusion.UI.Xaml.SmithChart;assembly=Syncfusion.SfSmithChart.WPF">
    <Grid>
        <syncfusion:SfSmithChart Header="Impedance Transmission" Height="400" Width="500">
            <!-- LineSeries with data binding -->
            <syncfusion:LineSeries ResistancePath="Resistance" 
                                   ReactancePath="Reactance" 
                                   ItemsSource="{Binding Data}" 
                                   Label="TransmissionLine"
                                   ShowMarker="True">
            </syncfusion:LineSeries>
            
            <!-- Horizontal (Resistance) Axis -->
            <syncfusion:SfSmithChart.HorizontalAxis>
                <syncfusion:HorizontalAxis FontSize="11"/>
            </syncfusion:SfSmithChart.HorizontalAxis>
            
            <!-- Radial (Reactance) Axis -->
            <syncfusion:SfSmithChart.RadialAxis>
                <syncfusion:RadialAxis FontSize="11"/>
            </syncfusion:SfSmithChart.RadialAxis>
            
            <!-- Legend -->
            <syncfusion:SfSmithChart.Legend>
                <syncfusion:SmithChartLegend/>
            </syncfusion:SfSmithChart.Legend>
        </syncfusion:SfSmithChart>
    </Grid>
</Window>

using Syncfusion.UI.Xaml.SmithChart;

// Create SmithChart
SfSmithChart chart = new SfSmithChart();
chart.Header = "Impedance Transmission";

// Configure axes
chart.HorizontalAxis = new HorizontalAxis { FontSize = 11 };
chart.RadialAxis = new RadialAxis { FontSize = 11 };

// Add series
LineSeries series = new LineSeries
{
    ItemsSource = Data,
    ResistancePath = "Resistance",
    ReactancePath = "Reactance",
    Label = "TransmissionLine",
    ShowMarker = true
};
chart.Series.Add(series);

// Add legend
chart.Legend = new SmithChartLegend();

// Add to layout
this.Content = chart;

public class TransmissionData
{
    public double Resistance { get; set; }
    public double Reactance { get; set; }
}

// Sample data
ObservableCollection<TransmissionData> Data = new ObservableCollection<TransmissionData>
{
    new TransmissionData { Resistance = 0, Reactance = 0.05 },
    new TransmissionData { Resistance = 0.3, Reactance = 0.1 },
    new TransmissionData { Resistance = 1.0, Reactance = 0.4 },
    new TransmissionData { Resistance = 2.0, Reactance = 0.5 }
};

// Add multiple series for comparison
LineSeries series1 = new LineSeries
{
    ItemsSource = Data1,
    ResistancePath = "Resistance",
    ReactancePath = "Reactance",
    Label = "Transmission-1",
    ShowMarker = true
};

LineSeries series2 = new LineSeries
{
    ItemsSource = Data2,
    ResistancePath = "Resistance",
    ReactancePath = "Reactance",
    Label = "Transmission-2",
    ShowMarker = true,
    Interior = new SolidColorBrush(Colors.Orange)
};

chart.Series.Add(series1);
chart.Series.Add(series2);

// Series with markers, labels, and tooltip
LineSeries series = new LineSeries
{
    ShowMarker = true,
    MarkerType = MarkerType.Circle,
    MarkerHeight = 10,
    MarkerWidth = 10,
    ShowToolTip = true,
    ToolTipDuration = TimeSpan.FromSeconds(3),
    StrokeThickness = 2,
    EnableAnimation = true,
    AnimationDuration = TimeSpan.FromSeconds(1)
};

series.DataLabel.ShowLabel = true;

// Apply custom palette and styling
chart.ColorModel = new SmithChartColorModel
{
    Palette = ColorPalette.BlueChrome
};

chart.Background = new SolidColorBrush(Colors.WhiteSmoke);
chart.ChartAreaBackground = new SolidColorBrush(Colors.White);
chart.ChartAreaBorderBrush = new SolidColorBrush(Colors.Gray);
chart.ChartAreaBorderThickness = new Thickness(1);
chart.Radius = 0.9; // 90% of plot area

// Switch to Admittance mode for different visualization
chart.RenderingType = RenderingType.Admittance;
// Data is now rendered from left to right