WPF draw ellipse as array or matrix

<Window x:Class="WpfApp133.MainWindow"
        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:local="clr-namespace:WpfApp133"
        mc:Ignorable="d" WindowState="Maximized"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Canvas x:Name="cvs" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" />
    </Grid>
</Window>


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp133
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            Loaded += MainWindow_Loaded;
            DrawEllipse();
        }

        private void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            int width = (int)this.ActualWidth;  
            int height = (int)this.ActualHeight;
            for(int i=0;i<width;i+=100)
            {
                for(int j=0;j<height;j+=100)
                {
                    Ellipse elp = new Ellipse();
                    elp.Width = 10;
                    elp.Height = 10;
                    elp.Fill = new SolidColorBrush(Colors.Red);
                    Canvas.SetLeft(elp, i);
                    Canvas.SetTop(elp, j);
                    cvs.Children.Add(elp);
                } 
            } 
        }

        private void DrawEllipse()
        {
           
        }
    }
}