CNetMessage Control Block Items

CTn:e[.f][/b]

n represents the file number (NOT optional) and must be 3 - 999 decimal.

e specifies the element number within the CT file. It must be 0 - 999 decimal.

f identifies one of the valid CT fields. Valid CT fields are listed in the table.

b is optional and normally not used. Specifying the .f fields can access all of the fields of a CT. If specified, the bit number must be 0 - 15 decimal.