public override WebResponse EndGetResponse(IAsyncResult ar)
{
HttpWebAsyncResult async_result = ar as HttpWebAsyncResult;
if (async_result == null)
{
throw new ArgumentException("asyncResult");
}
try {
if (!async_result.IsCompleted)
{
async_result.AsyncWaitHandle.WaitOne();
}
if (async_result.HasException)
{
throw async_result.Exception;
}
try {
return(new ClientHttpWebResponse(this, response));
}
catch (TargetInvocationException tie) {
throw tie.InnerException;
}
}
finally {
async_result.Dispose();
}
}
public override WebResponse EndGetResponse(IAsyncResult asyncResult)
{
try {
if (async_result != asyncResult)
{
throw new ArgumentException("asyncResult");
}
if (aborted)
{
NativeMethods.http_request_abort(native);
throw new WebException("Aborted", WebExceptionStatus.RequestCanceled);
}
if (!async_result.IsCompleted)
{
async_result.AsyncWaitHandle.WaitOne();
}
if (async_result.HasException)
{
throw async_result.Exception;
}
response = async_result.Response as BrowserHttpWebResponse;
}
finally {
async_result.Dispose();
managed.Free();
}
return(response);
}
public override WebResponse EndGetResponse(IAsyncResult asyncResult)
{
try {
CheckProtocolViolation();
if (async_result != asyncResult)
{
throw new ArgumentException("asyncResult");
}
if (aborted)
{
throw new WebException("Aborted", WebExceptionStatus.RequestCanceled);
}
// we could already have an exception waiting for us
if (async_result.HasException)
{
throw async_result.Exception;
}
if (!async_result.IsCompleted)
{
async_result.AsyncWaitHandle.WaitOne();
}
// (again) exception could occur during the wait
if (async_result.HasException)
{
throw async_result.Exception;
}
response = async_result.Response;
}
finally {
async_result.Dispose();
}
return(response);
}
