HKCard/HKCardOUT/Views/AdWindow.xaml

<Window
    x:Class="HKCardOUT.Views.AdWindow"
    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:hc="https://handyorg.github.io/handycontrol"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:view2="clr-namespace:Microsoft.Web.WebView2.Wpf;assembly=Microsoft.Web.WebView2.Wpf"
    xmlns:viewModels="clr-namespace:HKCardOUT.ViewModels"
    d:DataContext="{d:DesignInstance Type=viewModels:AdWindowViewModel}"
    WindowStyle="None"
    mc:Ignorable="d">
    <Grid>
        <view2:WebView2 x:Name="view2" />
    </Grid>
</Window>