(C) Get the text body content of a MIME part.

Explains and demonstrates the GetBodyEncoded and GetBodyDecoded methods. This example uses the MIME test data located at http://www.chilkatsoft.com/testData/sampleMime1.txt

The sampleMime1.txt contains:

Content-Type: multipart/mixed;
 boundary="------------070404010201060604000708";

This is a multi-part message in MIME format.

--------------070404010201060604000708
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="utf-8";

Falsches =C3=9Cben von Xylophonmusik qu=C3=A4lt jeden gr=C3=B6=C3=9Feren Zwe=
rg.
--------------070404010201060604000708
Content-Transfer-Encoding: base64
Content-Type: text/plain; charset="utf-8";

RmFsc2NoZXMgw5xiZW4gdm9uIFh5bG9waG9ubXVzaWsgcXXDpGx0IGplZGVuIGdyw7bDn2VyZW4g
Wndlcmcu

--------------070404010201060604000708
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset="iso-8859-1";

Falsches Üben von Xylophonmusik quält jeden größeren Zwerg.
--------------070404010201060604000708--

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#include <C_CkMime.h>

void ChilkatSample(void)
    {
    HCkMime mime;
    BOOL success;
    HCkMime part1;
    HCkMime part2;
    HCkMime part3;

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

    mime = CkMime_Create();

    // Load the sampleMime1.txt file into the MIME object.
    // (This file is available at http://www.chilkatsoft.com/testData/sampleMime1.txt )

    success = CkMime_LoadMimeFile(mime,"sampleMime1.txt");
    if (success == FALSE) {
        printf("%s\n",CkMime_lastErrorText(mime));
        CkMime_Dispose(mime);
        return;
    }

    // The sampleMime1.txt is a MIME document with a top-level 
    // multipart/mixed containing 3 sub-parts, each of which has the 
    // same body text but with different content-transfer-encodings and 
    // using different character encodings (utf-8 and iso-8859-1).

    // Calling mime.GetBodyEncoded or mime.GetBodyDecoded on the 
    // top-level multipart/mixed MIME object will return an empty string.
    // It is because the "body" of a multipart MIME object is always empty.
    // A multipart MIME object contains sub-parts (each a MIME object),
    // and it is only the leaf-objects that can have non-empty bodies.

    // Get GetBodyDecoded method returns the body text decoded
    // from whatever the content-transfer-encoding may be, and
    // converted from whatever charset encoding might be used.
    // In this case, calling GetBodyDecoded on each of the three
    // sub-parts will return the same string.
    // To demonstrate:

    part1 = CkMime_GetPart(mime,0);
    printf("%s\n",CkMime_getBodyDecoded(part1));

    part2 = CkMime_GetPart(mime,1);
    printf("%s\n",CkMime_getBodyDecoded(part2));

    part3 = CkMime_GetPart(mime,2);
    printf("%s\n",CkMime_getBodyDecoded(part3));

    // The GetBodyEncoded method will NOT decode from 
    // whatever content-transfer-encoding is used.  However, it will
    // convert from whatever internal character encoding
    // may be used to return a string appropriate for the calling
    // programming language (for example, in .NET or any language
    // using ActiveX, all strings are Unicode..)
    printf("%s\n",CkMime_getBodyEncoded(part1));
    printf("%s\n",CkMime_getBodyEncoded(part2));
    printf("%s\n",CkMime_getBodyEncoded(part3));

    CkMime_Dispose(part1);
    CkMime_Dispose(part2);
    CkMime_Dispose(part3);


    CkMime_Dispose(mime);

    }