private async void LogUpdate()
{
const String logFormat = "v=1&tid=UA-44166717-4&cid=555&t=event&ec=Downloads&ea=Update&el={0}&ev=1";
byte[] dataStream = Encoding.UTF8.GetBytes(String.Format(logFormat, versionNumberLabel.Text));
WebRequest webRequest = WebRequest.Create("http://www.google-analytics.com/collect");
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
webRequest.ContentLength = dataStream.Length;
Stream newStream=webRequest.GetRequestStream();
// Send the data.
await newStream.WriteAsync(dataStream,0,dataStream.Length);
newStream.Close();
}