Getting Started with Facebook Desktop (Client) Applications, C#, WPF / XAML and JSON

<Page x:Class="Facebook.Windows.WaitPage" Loaded="PageGrid_Loaded"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Page1" ShowsNavigationUI="False">
        <Grid x:Name="PageGrid">
         <!-- Simple animation to display a clock type wait effect -->
        <Ellipse Width="240" Height="240" x:Name="uiEllipseClockFace" HorizontalAlignment="Center" VerticalAlignment="Center" Stroke="BurlyWood" StrokeThickness="6">
            <Ellipse.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                    <GradientStop Color="Beige"/>
                    <GradientStop Color="Khaki" Offset="0.75"/>
                </LinearGradientBrush>
            </Ellipse.Fill>
        </Ellipse>
        <TextBlock Width="125" Height="20" x:Name="uiTbHourHand" Margin="125,20,0,0" VerticalAlignment="Center" FontFamily="Times" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center">
                <TextBlock.RenderTransform> 
                    <TransformGroup>
                        <RotateTransform Angle="270" CenterX="0" CenterY="0"/> 
                        <RotateTransform x:Name="HourRotateTransform" Angle="0" CenterX="0" CenterY="0"/> 
                    </TransformGroup>
                </TextBlock.RenderTransform>
                <TextBlock.Triggers> 
                    <EventTrigger RoutedEvent="FrameworkElement.Loaded">
                        <BeginStoryboard> 
                            <Storyboard> 
                                <DoubleAnimation Storyboard.TargetName="HourRotateTransform" Storyboard.TargetProperty="(RotateTransform.Angle)" From="0.0" To="360" Duration="0:0:10" RepeatBehavior="Forever" /> 
                            </Storyboard> 
                        </BeginStoryboard> 
                    </EventTrigger> 
                </TextBlock.Triggers>
             <Run Foreground="Brown" Text="Loading-&gt;"/>
        </TextBlock>

        <TextBlock Width="125" Height="20" x:Name="uiTbMinuteHand" Margin="125,20,0,0" VerticalAlignment="Center" FontFamily="Times" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center">
                <TextBlock.RenderTransform> 
                    <RotateTransform x:Name="MinuteRotateTransform" Angle="0" CenterX="0" CenterY="0"/> 
                </TextBlock.RenderTransform><TextBlock.Triggers> 
                    <EventTrigger RoutedEvent="FrameworkElement.Loaded">
                        <BeginStoryboard> 
                            <Storyboard> 
                                <DoubleAnimation Storyboard.TargetName="MinuteRotateTransform" Storyboard.TargetProperty="(RotateTransform.Angle)" From="0.0" To="360" Duration="0:0:05" RepeatBehavior="Forever" /> 
                            </Storyboard> 
                        </BeginStoryboard> 
                    </EventTrigger> 
                </TextBlock.Triggers>
             <Run Foreground="Brown" Text="Please wait-&gt;"/>
        </TextBlock>
    </Grid>
</Page>