Sends a Unicode message to the client.
Int sql_wsendmsg(SRV_PROC * srvproc, int msgnum, int severity, WCHAR * message, int msglen);
Is a pointer to the SRV_PROC structure that is the handle for a particular client connection. The structure contains information the ODS Library uses to manage communication and data between the Open Data Services server application and the client.
Is a 4-byte message number.
Specifies the severity of the error. A severity less than or equal to 10 is considered an informational message; otherwise, it is an error.
Is a pointer to a Unicode string to be sent to the client.
Specifies the length, in characters, of message. It not support SRV_NULLTERM for msglen like srv_sendmsg)
SUCCEED or FAIL.