(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 <C_CkCertW.h>
#include <C_CkDateTimeW.h>
#include <C_CkDtObjW.h>

void ChilkatSample(void)
    {
    HCkCertW cert;
    BOOL success;
    HCkDateTimeW ckdt;
    HCkDtObjW dt;

    cert = CkCertW_Create();

    success = CkCertW_LoadFromFile(cert,L"qa_data/certs/testCert.cer");
    if (success != TRUE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkCertW_Dispose(cert);
        return;
    }

    // Get the certificate valid-from date/time
    ckdt = CkCertW_GetValidFromDt(cert);
    // Get the local timestamp string.
    wprintf(L"Valid from: %s\n",CkDateTimeW_getAsTimestamp(ckdt,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.
    dt = CkDateTimeW_GetDtObj(ckdt,TRUE);
    wprintf(L"%d/%d/%d  %d:%d\n",CkDtObjW_getDay(dt),CkDtObjW_getMonth(dt),CkDtObjW_getYear(dt),CkDtObjW_getHour(dt),CkDtObjW_getMinute(dt));
    CkDtObjW_Dispose(dt);
    CkDateTimeW_Dispose(ckdt);

    // Get the certificate valid-to date/time
    ckdt = CkCertW_GetValidToDt(cert);
    wprintf(L"Valid to: %s\n",CkDateTimeW_getAsTimestamp(ckdt,TRUE));
    // Valid to: 2020-03-18T18:59:59-05:00
    dt = CkDateTimeW_GetDtObj(ckdt,TRUE);
    wprintf(L"%d/%d/%d  %d:%d\n",CkDtObjW_getDay(dt),CkDtObjW_getMonth(dt),CkDtObjW_getYear(dt),CkDtObjW_getHour(dt),CkDtObjW_getMinute(dt));
    CkDtObjW_Dispose(dt);
    CkDateTimeW_Dispose(ckdt);


    CkCertW_Dispose(cert);

    }