(MFC) Get Email Date/Time

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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkEmail.h>
#include <CkDateTime.h>
#include <CkDtObj.h>

void ChilkatSample(void)
    {
    CkString strOut;

    CkEmail email;

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

    CkDateTime *dtTime = email.GetDt();
    if (email.get_LastMethodSuccess() == false) {
        strOut.append("Email has no Date header field.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    // Get as a RFC822 GMT string:
    bool bLocalTime = false;
    strOut.append(dtTime->getAsRfc822(bLocalTime));
    strOut.append("\r\n");

    // 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;
    strOut.append(dtTime->getAsRfc822(bLocalTime));
    strOut.append("\r\n");

    // 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). 
    int unixTime = dtTime->GetAsUnixTime(bLocalTime);
    strOut.append("Unix time: ");
    strOut.appendInt(unixTime);
    strOut.append("\r\n");

    // 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:
    CkDtObj *dtObj = dtTime->GetDtObj(bLocalTime);
    if (dtTime->get_LastMethodSuccess() == false) {
        strOut.append("This should never really happen!");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.appendInt(dtObj->get_Day());
    strOut.append("-");
    strOut.appendInt(dtObj->get_Month());
    strOut.append("-");
    strOut.appendInt(dtObj->get_Year());
    strOut.append(" ");
    strOut.appendInt(dtObj->get_Hour());
    strOut.append(":");
    strOut.appendInt(dtObj->get_Minute());
    strOut.append(":");
    strOut.appendInt(dtObj->get_Second());
    strOut.append("\r\n");

    delete dtObj;
    delete dtTime;


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }