There are several articles on deVBuzz written by Pete Vickers. deVBuzz is an excellent source for eVB developers. The articles are all concerned with the Pocket PC and Sockets and SQL programming.
Winsock - binary data getting you down? This article explains how to use the eVB winsock control to handle the ‘binary data’ bug. Sample code includes a Telnet terminal emulator
CeSockets dll Project This article shows the use of cesockets.dll to create a client server project