Lock StreamNum, RecordNum
Lock StreamNum, [start] To end
Form 1: Lock all of StreamNum.
Form 2: Lock a record (or byte) of StreamNum.
Form 3: Lock a range of records (or bytes) of StreamNum. If start is omitted then lock starting at the first record (or byte).
Note: Be sure to Unlock for each Lock instruction.
Note: For sequential files (Input, Output and Append) lock always affects the entire file.
StreamNum Streams 1 through 255 are private to each macro. Streams 256 through 511 are shared by all macros.
RecordNum For Random mode files this is the record number. The first record is 1. Otherwise, it is the byte position. The first byte is 1.
start First record (or byte) in the range.
end Last record (or byte) in the range.
See Also: Open, Unlock.
Dim V As Variant
Open "SAVE_V.DAT" For Binary As #1
Get #1, 1, V
V = "Hello"
Put #1, 1, V