Q:How many bytes of the command that the Xserver can deal? How many bytes of the response  that the  

   Xserver can return/send to clients?

Ans:

1) When you use user-defined-command 19 (TCP port 10000 of 7188E/8000E) to call function UserCmd:

command: 1024 bytes maximum

response: 1458 bytes maximum

2) When you use user-defined-command 23 ( TCP port 10000 of 7188E/8000E) to call function VcomUserBinaryCmd:

4) When you call function VcomSendSocket to send data from Xserver to clients

response: 32767 bytes maximum