MainWindow.xaml

<Window x:Class="BlazorHybridWpf.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:BlazorHybridWpf"
        xmlns:blazor="clr-namespace:Microsoft.AspNetCore.Components.WebView.Wpf;assembly=Microsoft.AspNetCore.Components.WebView.Wpf"
        mc:Ignorable="d"
        Title="Blazor Hybrid WPF" Height="450" Width="800">
    <Grid>
        <blazor:BlazorWebView HostPage="wwwroot\index.html" Services="{StaticResource services}">
            <blazor:BlazorWebView.RootComponents>
                <blazor:RootComponent Selector="#app" ComponentType="{x:Type local:Main}" />
            </blazor:BlazorWebView.RootComponents>
        </blazor:BlazorWebView>
    </Grid>
</Window>