public override bool GetQueuedCompletionStatus(int timeout, out CompletionStatus completionStatus)
{
int bytesTransferred;
IntPtr completionKey;
IntPtr overlappedAddress;
bool result = UnsafeMethods.GetQueuedCompletionStatus(m_completionPortHandle, out bytesTransferred,
out completionKey, out overlappedAddress, timeout);
if (!result && overlappedAddress == IntPtr.Zero)
{
int error = Marshal.GetLastWin32Error();
if (error == WaitTimeoutError)
{
completionStatus = new CompletionStatus();
return(false);
}
throw new Win32Exception(error);
}
HandleCompletionStatus(out completionStatus, overlappedAddress, completionKey, bytesTransferred);
return(true);
}