MainWindow.xaml

<Window
        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:webViewIssue" 
		xmlns:Controls="clr-namespace:Microsoft.Toolkit.Wpf.UI.Controls;assembly=Microsoft.Toolkit.Wpf.UI.Controls.WebView" x:Class="webViewIssue.MainWindow"
		mc:Ignorable="d" Title="webViewIssue" Height="610" Width="920"  MinWidth="920" MinHeight="610" >
	

	<Grid>
		<Grid.Resources>
		</Grid.Resources>

		<Grid Margin="1,180,1,22" Grid.ColumnSpan="2">
			<Grid.RowDefinitions>
				<RowDefinition MaxHeight="130" x:Name="emptyStateRow" />
				<RowDefinition Height="*" />
			</Grid.RowDefinitions>
			<WindowsFormsHost x:Name="winformsHost" Grid.Row="1" />
		</Grid>
		<Controls:WebView Height="100" Width="100"/>




	</Grid>
</Window>