(Unicode C++) 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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#include <CkDateTimeW.h>

void ChilkatSample(void)
    {
    CkDateTimeW dt;

    // Set to the current system date/time.
    dt.SetFromCurrentSystemTime();
    wprintf(L"Now: %s\n",dt.getAsTimestamp(true));

    // Subtract 10 minutes, making the date 10 minutes in the past.
    dt.AddSeconds(-600);
    wprintf(L"10 minutes ago: %s\n",dt.getAsTimestamp(true));

    // Is the date/time older than 10 seconds?
    bool b = dt.OlderThan(10,L"seconds");
    wprintf(L"Older than 10 seconds: %d\n",b);

    // Is the date/time older than 5 minutes?
    b = dt.OlderThan(5,L"minutes");
    wprintf(L"Older than 5 minutes: %d\n",b);

    // Is the date/time older than 15 minutes?
    b = dt.OlderThan(15,L"minutes");
    wprintf(L"Older than 15 minutes: %d\n",b);

    // Is the date/time older than 1 hour?
    b = dt.OlderThan(1,L"hour");
    wprintf(L"Older than 1 hour: %d\n",b);

    // Is the date/time older than 1 day?
    b = dt.OlderThan(1,L"day");
    wprintf(L"Older than 1 day: %d\n",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
    }