(C) DateTime - Add or Subtract Seconds

Demonstrates the AddSeconds method to add or subtract a number of seconds from a date/time.

Note: This example is only valid in Chilkat v9.5.0.65 or later.

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#include <C_CkDateTime.h>

void ChilkatSample(void)
    {
    HCkDateTime dateTime;

    dateTime = CkDateTime_Create();

    CkDateTime_SetFromCurrentSystemTime(dateTime);

    printf("Current time: %s\n",CkDateTime_getAsTimestamp(dateTime,FALSE));

    CkDateTime_AddSeconds(dateTime,1);
    printf("Current time + 1 second: %s\n",CkDateTime_getAsTimestamp(dateTime,FALSE));

    CkDateTime_AddSeconds(dateTime,-2);
    printf("Current time - 1 second: %s\n",CkDateTime_getAsTimestamp(dateTime,FALSE));

    // Add 30 days (60 * 60 * 24 * 30)
    CkDateTime_AddSeconds(dateTime,60 * 60 * 24 * 30);
    printf("Current time + 30 days: %s\n",CkDateTime_getAsTimestamp(dateTime,FALSE));

    // Sample output for test run on 2-Dec-2016: 

    // 	Current time: 2016-12-02T12:59:13Z
    // 	Current time + 1 second: 2016-12-02T12:59:14Z
    // 	Current time - 1 second: 2016-12-02T12:59:12Z
    // 	Current time + 30 days: 2017-01-01T12:59:12Z


    CkDateTime_Dispose(dateTime);

    }