IntuneManagement/UI/WPF/XAML/CloudPickerMenu.xaml

 <Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Choose Cloud"
        SizeToContent="WidthAndHeight"
        ResizeMode="NoResize"
        ShowInTaskbar="False"
        WindowStartupLocation="CenterOwner"
        FocusManager.FocusedElement="{Binding ElementName=cbCloud}">

    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="UI\WPF\Themes\Light.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>

    <Grid Width="380" HorizontalAlignment="Stretch" Name="grdModalContainer" VerticalAlignment="Stretch" Background="{DynamicResource WindowBackgroundColor}">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" SharedSizeGroup="TitleColumn" />
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>

            <StackPanel Orientation="Horizontal" Margin="0,5,5,0" Grid.Row="0">
                <Label Content="Cloud" />
                <Rectangle Style="{DynamicResource InfoIcon}" ToolTip="Select the Microsoft cloud to sign in to: Public (Global), US Government (GCC High), US Government (DoD), or China (Vianet)." />
            </StackPanel>
            <ComboBox Name="cbCloud" Margin="0,5,5,0" Grid.Row="0" Grid.Column="1"
                    DisplayMemberPath="Name" SelectedValuePath="Value" />

            <StackPanel Grid.Row='1' Grid.ColumnSpan="2" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,5,5,5">
                <Button Name="btnLogin" Content="Sign in" Width='100' Margin="5,0,0,0" VerticalAlignment="Center" IsDefault="True" />
                <Button Name="btnCancel" Content="Cancel" Width='100' Margin="5,0,0,0" VerticalAlignment="Center" IsCancel="True" />
            </StackPanel>

        </Grid>
    </Grid>

</Window>