Untitled

<Window x:Class="YourNamespace.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:ig="http://schemas.infragistics.com/xaml"
        Title="Circular Progress Bar" Height="300" Width="300">
    <Grid>
        <ig:XamRadialGauge x:Name="circularProgressBar" Width="150" Height="150">
            <ig:XamRadialGauge.ArcStartAngle>0</ig:XamRadialGauge.ArcStartAngle>
            <ig:XamRadialGauge.ArcEndAngle>
                <Binding Path="Progress" Converter="{StaticResource ProgressToAngleConverter}" />
            </ig:XamRadialGauge.ArcEndAngle>
            <ig:XamRadialGauge.Scales>
                <ig:RadialGaugeScale MinimumValue="0" MaximumValue="100" 
                                     StartAngle="-150" EndAngle="150" />
            </ig:XamRadialGauge.Scales>
            <ig:XamRadialGauge.Needles>
                <ig:RadialGaugeNeedle Value="{Binding Progress}" />
            </ig:XamRadialGauge.Needles>
        </ig:XamRadialGauge>
    </Grid>
</Window>



using System.ComponentModel;

public class ViewModel : INotifyPropertyChanged
{
    private double progress;
    public double Progress
    {
        get { return progress; }
        set
        {
            if (progress != value)
            {
                progress = value;
                OnPropertyChanged("Progress");
            }
        }
    }

    public event PropertyChangedEventHandler PropertyChanged;
    protected virtual void OnPropertyChanged(string propertyName)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}

public partial class MainWindow : Window
{
    private ViewModel viewModel;

    public MainWindow()
    {
        InitializeComponent();
        viewModel = new ViewModel();
        DataContext = viewModel;

        // Simulate progress updates (for testing purposes)
        var timer = new System.Windows.Threading.DispatcherTimer();
        timer.Tick += (s, e) =>
        {
            if (viewModel.Progress < 100)
                viewModel.Progress += 5;
            else
                timer.Stop();
        };
        timer.Interval = TimeSpan.FromSeconds(1);
        timer.Start();
    }
}