MultipleSelectionDialog.xaml

<Window x:Class="Microsoft.PowerShell.Commands.ShowCommandInternal.MultipleSelectionDialog"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:sc="clr-namespace:Microsoft.Management.UI.Internal"
             mc:Ignorable="d"
             Title="MemberType" Height="200" Width="404" WindowStartupLocation="CenterScreen">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"></RowDefinition>
            <RowDefinition Height="Auto"></RowDefinition>
        </Grid.RowDefinitions>
        <ListBox x:Name="listboxParameter" Margin="3" VerticalAlignment="Top" SelectionMode="Multiple" Grid.Row="0" ItemsSource="{Binding}" AutomationProperties.AutomationId="listboxParameter">
        </ListBox>
        <Grid Grid.Row="1" IsSharedSizeScope="True" HorizontalAlignment="Right">
            <Grid.ColumnDefinitions>
                <ColumnDefinition SharedSizeGroup="OKCancel"></ColumnDefinition>
                <ColumnDefinition SharedSizeGroup="OKCancel"></ColumnDefinition>
            </Grid.ColumnDefinitions>
            <Button x:Name="OK" Margin="3" Grid.Column="0" IsDefault="True" Click="ButtonOK_Click" Content="{x:Static sc:ShowCommandResources.ActionButtons_Button_Ok}" AutomationProperties.AutomationId="ButtonOK"></Button>
            <Button x:Name="Cancel" Margin="3" Grid.Column="1" IsCancel="True" Click="ButtonCancel_Click" Content="{x:Static sc:ShowCommandResources.ActionButtons_Button_Cancel}" AutomationProperties.AutomationId="ButtonCancel"></Button>
        </Grid>
    </Grid>
</Window>