Visualizing Live and Historic Stock Data Using Silverlight

<UserControl x:Class="StockVisualization.MainPage"
    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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:charts="clr-namespace:Visiblox.Charts;assembly=Visiblox.Charts"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400">

    <StackPanel x:Name="LayoutRoot" Orientation="Vertical">
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
            <TextBlock>Stock code:</TextBlock>
            <ComboBox x:Name="ComboStockCode">
                <ComboBoxItem Content="MSFT" IsSelected="True"/>
                <ComboBoxItem Content="GOOG"/>
                <ComboBoxItem Content="VOD"/>
                <ComboBoxItem Content="BCS"/>
            </ComboBox>
            <Button x:Name="BtnUpdate" Content="Update" Click="BtnUpdate_Click"/>
        </StackPanel>
        <StackPanel Orientation="Horizontal" x:Name="PanelFetchingData" Visibility="Collapsed" Margin="0,5,0,5" HorizontalAlignment="Center">
            <ProgressBar IsIndeterminate="True" Width="150" Height="15"/>
        </StackPanel>
        <charts:Chart x:Name="StockChart" Width="600" Height="300" LegendVisibility="Collapsed">
            <charts:Chart.Series>
                <!-- Add a LineSeries that shows points and displays tooltips when hovering over them -->
                <charts:LineSeries ShowPoints="True" ToolTipEnabled="True">
                    <charts:LineSeries.DataSeries>
                        <!-- Set the data source of the LineSeries to be a BindableDataSeries to allow binding to our business object collection -->
                        <charts:BindableDataSeries XValueBinding="{Binding Date}" YValueBinding="{Binding Price}"/>
                    </charts:LineSeries.DataSeries>
                </charts:LineSeries>
            </charts:Chart.Series>
            <charts:Chart.Behaviour>
                <charts:BehaviourManager AllowMultipleEnabled="True">
                    <charts:PanBehaviour YPanEnabled="False" IsEnabled="True"/>
                    <charts:ZoomBehaviour IsEnabled="True"/>
                  </charts:BehaviourManager>                
            </charts:Chart.Behaviour>
        </charts:Chart> 
        <TextBlock HorizontalAlignment="Center" Width="400" TextWrapping="Wrap" Text="Drag mouse to pan, scroll with mousewheel to zoom."/>
    </StackPanel>
</UserControl>