STATIC FUNCTION DateDiff ( period AS String, Date1 AS Date, Date2 AS Date ) AS Integer

Returns the number of periods between two dates A negative number will mean that date2 is bigger than date1.

Period is a string expression that is the interval to be returned.

Period	Description
yyyy	Year
q	Quarter
m	Month
y	Day of year
d	Day
w	Week day - Note: A week day is Monday to Friday in Gambas. This is different to VB in which w = d
ww	Week
h	Hour
n	Minute
s	Second

Date1 and Date2 are the two dates or literals representing dates from which the difference is calculated. Date1 is subtracted from Date2 (which is currently the opposite to VB! :-).