(MFC) Create Email with Non-Standard Binary Body

Creates an email where the only body is a binary WAV file. The technique used in the example could be applied to other binary files, such as PDF, MS-WORD docs, Excel docs, etc.

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

See Also: Using MFC CString in Chilkat

#include <CkMime.h>
#include <CkEmail.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkMime mime;

    bool success = mime.SetBodyFromFile("VoiceMessage.wav");
    if (success == false) {
        strOut.append(mime.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The MIME has this header:
    // Content-Disposition: attachment;
    // 	 filename="VoiceMessage.wav"
    // Content-Transfer-Encoding: base64
    // Content-Type: audio/x-wav;
    // 	name="VoiceMessage.wav"

    // We don't want the content-disposition to be an
    // attachment -- otherwise the email object will self-correct
    // and put it in a multipart/mixed format...
    mime.put_Disposition("");
    mime.put_Filename("");

    const char *strMime = 0;
    strMime = mime.getMime();
    strOut.append(strMime);
    strOut.append("\r\n");

    // Now load it into an email object:
    CkEmail email;
    success = email.SetFromMimeText(strMime);
    if (success == false) {
        strOut.append(email.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Add subject, TO, FROM, etc.
    email.put_Subject("This is a test");
    email.put_From("support@chilkatsoft.com");
    success = email.AddTo("Matt","matt@chilkatsoft.com");

    // Your email is ready to send.
    // (but for this example, we'll simply save it to a file...)
    success = email.SaveEml("email.eml");
    if (success == false) {
        strOut.append(email.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("OK!");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }