Unicode 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.

Unicode C

#include <C_CkDateTimeW.h>

void ChilkatSample(void)
    {
    HCkDateTimeW dateTime;

    dateTime = CkDateTimeW_Create();

    CkDateTimeW_SetFromCurrentSystemTime(dateTime);

    wprintf(L"Current time: %s\n",CkDateTimeW_getAsTimestamp(dateTime,FALSE));

    CkDateTimeW_AddSeconds(dateTime,1);
    wprintf(L"Current time + 1 second: %s\n",CkDateTimeW_getAsTimestamp(dateTime,FALSE));

    CkDateTimeW_AddSeconds(dateTime,-2);
    wprintf(L"Current time - 1 second: %s\n",CkDateTimeW_getAsTimestamp(dateTime,FALSE));

    //  Add 30 days (60 * 60 * 24 * 30)
    CkDateTimeW_AddSeconds(dateTime,60 * 60 * 24 * 30);
    wprintf(L"Current time + 30 days: %s\n",CkDateTimeW_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


    CkDateTimeW_Dispose(dateTime);

    }