PowerToys/src/modules/Workspaces/WorkspacesEditor/SnapshotWindow.xaml

<Window
    x:Class="WorkspacesEditor.SnapshotWindow"
    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:local="clr-namespace:WorkspacesEditor"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:props="clr-namespace:WorkspacesEditor.Properties"
    xmlns:ui="http://schemas.modernwpf.com/2019"
    Title="{x:Static props:Resources.SnapshotWindowTitle}"
    Width="350"
    Height="140"
    ui:TitleBar.Background="{DynamicResource PrimaryBackgroundBrush}"
    ui:TitleBar.InactiveBackground="{DynamicResource TertiaryBackgroundBrush}"
    ui:WindowHelper.UseModernWindowStyle="True"
    Background="{DynamicResource PrimaryBackgroundBrush}"
    BorderBrush="Red"
    BorderThickness="5"
    Closing="Window_Closing"
    ResizeMode="NoResize"
    WindowStartupLocation="CenterScreen"
    mc:Ignorable="d">
    <Grid Margin="5" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="1*" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*" />
            <ColumnDefinition Width="1*" />
        </Grid.ColumnDefinitions>
        <TextBlock
            Grid.ColumnSpan="2"
            Margin="5"
            Foreground="{DynamicResource PrimaryForegroundBrush}"
            Text="{x:Static props:Resources.SnapshotDescription}" />
        <Button
            x:Name="CancelButton"
            Grid.Row="1"
            Height="36"
            Margin="5,5,5,5"
            HorizontalAlignment="Stretch"
            AutomationProperties.Name="{x:Static props:Resources.Cancel}"
            Background="{DynamicResource SecondaryBackgroundBrush}"
            Click="CancelButtonClicked"
            Content="{x:Static props:Resources.Cancel}" />
        <Button
            x:Name="SnapshotButton"
            Grid.Row="1"
            Grid.Column="1"
            Height="36"
            Margin="5,5,5,5"
            HorizontalAlignment="Stretch"
            AutomationProperties.Name="{x:Static props:Resources.Take_Snapshot}"
            Click="SnapshotButtonClicked"
            Content="{x:Static props:Resources.Take_Snapshot}"
            Style="{StaticResource AccentButtonStyle}" />
    </Grid>
</Window>