There's no support for it built into the .NET Framework. There are, however, methods to get something to work. The message you're thinking of, with the help of the Win32 SendMessage function, is LVS_EX_DOUBLEBUFFER. This message is only available in ComCtrl32 Version 6.00 (Windows XP) and above. I'd give you a link to the documentation in the Windows SDK site, but it's Search function appears to be busted right now. http://windowssdk.msdn.microsoft.com/library/[^] RageInTheMachine9532 "...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome