http://blogs.msdn.com/brada/archive/2003/04/13/49969.aspxQ: Is it safe for a single writer to call Hashtable.Clear() with multiple concurrent readers? A: (from the developer that owns Hashtable) It depends on what you want. Clear() will not cause a hashtable to be inconsistent state, so hashtable will be noten-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/brada/archive/2003/04/13/49969.aspx#233360Thu, 23 Sep 2004 16:06:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:233360Marcus Mac Innes' Blog