System.Threading.ReaderWriterLockSlim.EnterReadLock C# (CSharp) Метод

		public void EnterReadLock ()
		{
			TryEnterReadLock (-1);
		}

        public bool Contain(T item)
        {
            locker.EnterReadLock();

            var ret = keyList.Contains(item);

            locker.ExitWriteLock();

            return(ret);
        }