(Unicode C++) Get Certificate Valid To/From Dates

Demonstrates how to get the certificate "valid from" and "valid to" dates.

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#include <CkCertW.h>
#include <CkDateTimeW.h>
#include <CkDtObjW.h>

void ChilkatSample(void)
    {
    CkCertW cert;

    bool success = cert.LoadFromFile(L"qa_data/certs/testCert.cer");
    if (success != true) {
        wprintf(L"%s\n",cert.lastErrorText());
        return;
    }

    // Get the certificate valid-from date/time
    CkDateTimeW *ckdt = cert.GetValidFromDt();
    // Get the local timestamp string.
    wprintf(L"Valid from: %s\n",ckdt->getAsTimestamp(true));
    // Valid from: 2017-03-17T19:00:00-05:00

    // Now get the date/time as another object where we can get the individual numeric date parts.
    CkDtObjW *dt = ckdt->GetDtObj(true);
    wprintf(L"%d/%d/%d  %d:%d\n",dt->get_Day(),dt->get_Month(),dt->get_Year(),dt->get_Hour(),dt->get_Minute());
    delete dt;
    delete ckdt;

    // Get the certificate valid-to date/time
    ckdt = cert.GetValidToDt();
    wprintf(L"Valid to: %s\n",ckdt->getAsTimestamp(true));
    // Valid to: 2020-03-18T18:59:59-05:00
    dt = ckdt->GetDtObj(true);
    wprintf(L"%d/%d/%d  %d:%d\n",dt->get_Day(),dt->get_Month(),dt->get_Year(),dt->get_Hour(),dt->get_Minute());
    delete dt;
    delete ckdt;
    }