(Unicode C) Get Email Date/Time

Demonstrates getting the email "Date" header field in a CkDateTime object.

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#include <C_CkEmailW.h>
#include <C_CkDateTimeW.h>
#include <C_CkDtObjW.h>

void ChilkatSample(void)
    {
    HCkEmailW email;
    BOOL success;
    HCkDateTimeW dtTime;
    BOOL bLocalTime;
    int unixTime;
    HCkDtObjW dtObj;

    email = CkEmailW_Create();

    // Load a .eml file into the email object.
    success = CkEmailW_LoadEml(email,L"/home/users/chilkat/eml/myEml.eml");

    dtTime = CkEmailW_GetDt(email);
    if (CkEmailW_getLastMethodSuccess(email) == FALSE) {
        wprintf(L"Email has no Date header field.\n");
        CkEmailW_Dispose(email);
        return;
    }

    // Once we have the CkDateTime object, we can get the date/time in all sorts of formats:

    // Get as a RFC822 GMT string:
    bLocalTime = FALSE;
    wprintf(L"%s\n",CkDateTimeW_getAsRfc822(dtTime,bLocalTime));

    // Get as an RFC822 string in the local timezone.
    // (remember, the daylight savings that existed at the given time in the past is applied)
    bLocalTime = TRUE;
    wprintf(L"%s\n",CkDateTimeW_getAsRfc822(dtTime,bLocalTime));

    // Get as a 32-bit UNIX time (local or GMT..)
    // The Unix time is number of seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC). 
    unixTime = CkDateTimeW_GetAsUnixTime(dtTime,bLocalTime);
    wprintf(L"Unix time: %d\n",unixTime);

    // One can also get the as a "DtObj" object for accessing the individual
    // parts of the date/time, such as month, day, year, hour, minute, etc.
    // The DtObj can be obtained in the GMT or local timezone:
    dtObj = CkDateTimeW_GetDtObj(dtTime,bLocalTime);
    if (CkDateTimeW_getLastMethodSuccess(dtTime) == FALSE) {
        wprintf(L"This should never really happen!\n");
        CkEmailW_Dispose(email);
        return;
    }

    wprintf(L"%d-%d-%d %d:%d:%d\n",CkDtObjW_getDay(dtObj),CkDtObjW_getMonth(dtObj),CkDtObjW_getYear(dtObj),CkDtObjW_getHour(dtObj)
        ,CkDtObjW_getMinute(dtObj),CkDtObjW_getSecond(dtObj));

    CkDtObjW_Dispose(dtObj);
    CkDateTimeW_Dispose(dtTime);


    CkEmailW_Dispose(email);

    }