MainWindow.xaml

<Window x:Class="OnnxObjectDetectionApp.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:OnnxObjectDetectionApp"
        mc:Ignorable="d"
        Title="ML.NET Object Detection (Onnx)" Height="506" Width="640">
    <Grid Background="Black">
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <Image x:Name="WebCamImage" Grid.Row="0" />
        <Canvas x:Name="WebCamCanvas" Grid.Row="0" Width="{Binding Path=ActualWidth, ElementName=WebCamImage}"/>
    </Grid>
</Window>