On supported protocols page you'll find links to SFTP specification. You may also check source code of SFTP implementation in WinSCP or any other open source SFTP client (like PSFTP or OpenSSH's sftp).

hai to all,

Please help me.

Is there any library or component for SFTP Client?Ofcourse application you have provided that may not be callable into my application.

My Requirement is to design the SFTP Client , but due to lack of protocol programming, i have failed.

Please guide me to call the SFTP protocol in SSH Server and how login and transfer files to
SSH Server.

with thanks,
K.Iyappan
iyaps_krish@yahoo.com