(VB.NET) Generate ULID

See more ULID/UUID Examples

Generate a ULID using a specified timestamp or the current system date timestamp.

Important: Chilkat's ULID functionality was introduced in v9.5.0.94.

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Dim dt As New Chilkat.CkDateTime

' Set dt to the current system date/time.
dt.SetFromCurrentSystemTime()

' Generate a ULID for the current UTC date/time.
' (i.e. the current UTC UNIX-time)
Dim utc As Boolean = True
Dim ulid As String = dt.UlidGenerate(utc)
Debug.WriteLine(ulid)

' example result: 01GRGCH4J88RECEN4D4VK4F629

' Generate a ULID using the local timezone's current time.
utc = False
ulid = dt.UlidGenerate(utc)
Debug.WriteLine(ulid)

' example result: 01GRH14AA82EY9A7S99YYF2QDY


' -----------------------------------------------
' To generate a ULID using a specific UNIX timestamp

' For example, the Unix timestamp for Sun, 05 Feb 2023 14:57:46 GMT
' is 1675609066

' For more information about the Epoch Unix Timestamp, see Epoch Unix Timestamp

' To generate a ULID from a specified date/time, set the CkDateTime and then generate the ULID.
Dim dt2 As New Chilkat.CkDateTime
utc = True
dt2.SetFromUnixTime(utc,1675609066)
ulid = dt2.UlidGenerate(utc)
Debug.WriteLine(ulid)

' example result: 01GRH1AJGG3P5K04DJHN3QJCX3