public IAsyncResult BeginProxyRequest(AsyncCallback callback, object extraData)
{
ExTraceGlobals.ProxyCallTracer.TraceDebug((long)this.GetHashCode(), "ProxyToEwsEventHandler.ProxyEvent");
if (base.UserContext != null)
{
int num;
base.UserContext.DangerousBeginUnlockedAction(false, out num);
if (num != 1)
{
ExWatson.SendReport(new InvalidOperationException("Thread held more than 1 lock before async operation"), ReportOptions.None, null);
}
}
AsyncEnumerator asyncEnumerator = new AsyncEnumerator(callback, extraData, new Func <AsyncEnumerator, IEnumerator <int> >(this.ProcessProxyRequest), false);
this.asyncResult = asyncEnumerator.AsyncResult;
asyncEnumerator.Begin();
return(this.asyncResult);
}