Map Class

<UserControl x:Class="SilverlightTest1.ShowMultipleMaps"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:m="clr-namespace:Microsoft.Maps.MapControl;assembly=Microsoft.Maps.MapControl"
    Width="1024" Height="768">
    <Grid x:Name="LayoutRoot" Background="White">
    </Grid>
</UserControl>
	

using System.Windows;
using System.Windows.Controls;
using Microsoft.Maps.MapControl;

namespace SilverlightTest1
{
    public partial class ShowMultipleMaps : UserControl
    {
        public ShowMultipleMaps()
        {
            InitializeComponent();

            //Loads 2 maps side by side
            initializeMaps();
        }
        
        private void initializeMaps()
        {
            //Create a 2x2 grid
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition());
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition());
            LayoutRoot.RowDefinitions.Add(new RowDefinition());
        

            //Add Road view map
            Map leftMap = new Map();
            leftMap.Mode = new RoadMode();
            Grid.SetColumn(leftMap, 0);
            Grid.SetRow(leftMap, 0);
            leftMap.CredentialsProvider = New ApplicationIdCredentialsProvider("Your Key");
            LayoutRoot.Children.Add(leftMap);

            //Add Aerial view map
            Map rightMap = new Map();
            rightMap.Mode = new AerialMode();
            Grid.SetColumn(rightMap, 1);
            Grid.SetRow(rightMap, 0);
            rightMap.CredentialsProvider = New ApplicationIdCredentialsProvider("Your Key");
            LayoutRoot.Children.Add(rightMap);

        }
    }
}