Xbasic
INDEX.FIND_PREVIOUS Function
Syntax
P Find_Previous(P key)
Arguments
- key
A pointer to an existing index entry.
Description
Find the key Before the specified key, true TRUE if exact match, else returns key found.
Discussion
The .FIND_PREVIOUS() method finds the key before the specified key. The method returns .T. (TRUE) if is an exact match; otherwise, it returns the key found.
Example
dim t as P dim i as P dim b as P dim b.key as C t = table.open("customer") i = t.index_primary_put("Lastname") b = i.find_last() ? b = Key = "Wong " Record = 28.000000 x = i.find_previous(b) ? x = Key = "Winka " Record = 11.000000
See Also