Weijun, These threads (links below) will probably help.
http://groups.google.com/group/twitter-development-talk/browse_thread/thread/59ed5372f7c1b623 http://groups.google.com/group/twitter-development-talk/browse_thread/thread/8a598fd042e53ce0/2629fe5160fc8294 If you encounter any problems, I just went through the same problem and successfully updated my Twitter OAuth library for C#/.NET. I'd definitely be down to help you out. Cheers, Nicholas --- Nicholas Granado email: ngran...@gmail.com web: http://nickgranado.com twitter: heatxsink On Mon, Aug 3, 2009 at 3:00 AM, weijun shen <swj1984...@gmail.com> wrote: > Hi everyone, > I successfully went through OAuth procedure, and got access token > using PIN, but I failed to update status,send direct message such > authenticated post method. But my program works several days ago. > > Thank you for your help:) > BR