System.Net.GZipWrapperStream.EndRead C# (CSharp) Метод

        public override int EndRead(IAsyncResult asyncResult) {
            
            if (asyncResult==null) {
                throw new ArgumentNullException("asyncResult");
            }
            
            try{
                return base.EndRead(asyncResult);
            }
            catch(Exception e){
                try{
                    if (NclUtilities.IsFatal(e)) throw;
                    if(e is System.IO.InvalidDataException || e is InvalidOperationException || e is IndexOutOfRangeException){
                        Close();
                    }
                }
                catch{
                }
                throw e;
            }
        }