OBAppSrc/WpfApplicati.../Alert.xaml

<Window x:Class="WpfApplication19.Alert"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Alert" Height="257" Width="510">
    <Grid>
		<TextBlock Height="43" HorizontalAlignment="Left" Margin="12,34,0,0" Name="MainWarningMsg" Text="TextBlock" VerticalAlignment="Top" Width="464" TextAlignment="Center" FontSize="26" Foreground="#FFFF0A0A" />
		<TextBlock Height="23" HorizontalAlignment="Left" Margin="69,94,0,0" Name="textBlock2" Text="Please replace new measurement header, because it exceeds the limit" VerticalAlignment="Top" Width="344" />
		<TextBlock Height="23" HorizontalAlignment="Left" Margin="123,123,0,0" Name="textBlock3" Text="If header replaced successful, press OK" VerticalAlignment="Top" Width="219" />
		<Button Content="OK" Height="39" HorizontalAlignment="Right" Margin="0,152,120,0" Name="ChangeBtn" VerticalAlignment="Top" Width="120" FontSize="24" Click="ChangeBtn_Click" />
		<Button Content="Stop Alert" Height="39" HorizontalAlignment="Left" Margin="96,152,0,0" Name="stopAlert" VerticalAlignment="Top" Width="132" FontWeight="Normal" FontSize="20" Click="stopAlert_Click" />
		<MediaElement Height="44" HorizontalAlignment="Left" Margin="366,174,0,0" Name="warningSound" VerticalAlignment="Top" Width="122" Source="sounds/Tornado_Siren.mp3" LoadedBehavior="Manual" Volume="1" />
	</Grid>

</Window>