(VB.NET) Date/Time Older-Than N Seconds/Minutes/Hours/Days

Demonstrates the how to tell if a date/time is older than the current time by N seconds, minutes, hours, or days.

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Dim dt As New Chilkat.CkDateTime

' Set to the current system date/time.
dt.SetFromCurrentSystemTime()
Debug.WriteLine("Now: " & dt.GetAsTimestamp(True))

' Subtract 10 minutes, making the date 10 minutes in the past.
dt.AddSeconds(-600)
Debug.WriteLine("10 minutes ago: " & dt.GetAsTimestamp(True))

' Is the date/time older than 10 seconds?
Dim b As Boolean = dt.OlderThan(10,"seconds")
Debug.WriteLine("Older than 10 seconds: " & b)

' Is the date/time older than 5 minutes?
b = dt.OlderThan(5,"minutes")
Debug.WriteLine("Older than 5 minutes: " & b)

' Is the date/time older than 15 minutes?
b = dt.OlderThan(15,"minutes")
Debug.WriteLine("Older than 15 minutes: " & b)

' Is the date/time older than 1 hour?
b = dt.OlderThan(1,"hour")
Debug.WriteLine("Older than 1 hour: " & b)

' Is the date/time older than 1 day?
b = dt.OlderThan(1,"day")
Debug.WriteLine("Older than 1 day: " & b)

' Output:

' 	Now: 2017-05-05T23:33:06-0500
' 	10 minutes ago: 2017-05-05T23:23:06-0500
' 	Older than 10 seconds: True
' 	Older than 5 minutes: True
' 	Older than 15 minutes: False
' 	Older than 1 hour: False
' 	Older than 1 day: False