/ doc / DocFrag / ARCQuery.ValueComparerDateTime / Attribute / Description

Description

Edit keys at this level only

= -ValueComparerDateTime- is an attempt at offering a human language interface for date and time queries.0x000D0x000A0x000D0x000AThis class understands such terms as Today, BeforeYesterday, LastTwoDays, Last6Months, ThisYear, LastYear and so on.0x000D0x000A0x000D0x000AEnables queries like 'Order/WHERE Created = ThisMonth', that is, a query where you do not have to change the condition of the query expression as time passes.0x000D0x000A0x000D0x000AUnderstood by -QueryExpressionWhere-.0x000D0x000A0x000D0x000ATerms like Ago and In means that specific period. For instance on Thursday TwoDaysAgo means Tuesday (only) while InTwoDays means Saturday (only).0x000D0x000A0x000D0x000ATerms like Last and Next means an interval (until today or from today). For instance on Thursday LastTwoDays means Tuesday and Wednesday while NextTwoDays means Friday and Saturday.0x000D0x000A(see -IsInterval-.)0x000D0x000A0x000D0x000ASee also -IsAfter-, -IsBefore-, -IsGliding-.0x000D0x000A0x000D0x000ANOTE: As soon as an instance of -ValueComparerDateTime- is created in C#,0x000D0x000ANOTE: it has a limited usefulness as time passes because the0x000D0x000ANOTE: time of initialization decides the time range (-StartPeriod- / -EndPeriod-) that it compares against.0x000D0x000ANOTE: For instance, at time 09:59 NextHour would mean 10:00 to 11:00, but the same object used later0x000D0x000ANOTE: at 10:01 for instance would still compare against 10:00 to to 11:00.0x000D0x000ANOTE: In other words, these object instances are time-limited and for one-time-use only.0x000D0x000A

Edit keys at all sub levels.
NOTE: Edits are always additive. Use 'Invalid' in order to delete keys.

Generated 2026-01-01 01:57:20.195 UTC