Removes a previous access restriction (lock) on a file
Syntax
Unlock #filenum, record
Unlock #filenum, start To end
Parameters
filenum
The file number used to
Open the file.
record
The record (
Random files) to unlock.
start
The first byte position (
Binary files) in a range to unlock.
end
The last byte position (
Binary files) in a range to unlock.
Description
Unlock removes the temporary access restriction set by
Lock.
It is strongly recommended to use the same arguments used in the previous
Lock.
Example
Differences from QB
- Currently, FB cannot implicitly unlock the entire file
- In Random mode, FB cannot unlock a range of records
See also