Add a Plain-Text Alternative Body to an Email

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Demonstrates the Chilkat Email.AddPlainTextAlternativeBody method, which adds a plain-text alternative body. Combined with an HTML body, it produces a multipart/alternative email that carries both representations. This example sets an HTML body, adds a plain-text alternative, and prints the alternative count.

Background: This is the companion to AddHtmlAlternativeBody. A polished email provides both an HTML body (for rich display) and a plain-text fallback, and the receiving client picks whichever it prefers. Including a real plain-text alternative — rather than letting the HTML stand alone — improves accessibility, helps with spam scoring, and guarantees the message is readable in text-only environments.

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#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkEmail email;

    //  Demonstrates the AddPlainTextAlternativeBody method, which adds a plain-text alternative
    //  body.  Combined with an HTML body, this produces a multipart/alternative email offering
    //  both representations of the same content.

    email = CkEmail_Create();
    CkEmail_putSubject(email,"HTML with a plain-text alternative");

    //  Set an HTML body.
    CkEmail_SetHtmlBody(email,"<html><body><b>This is the HTML version.</b></body></html>");

    //  Add a plain-text alternative.
    CkEmail_AddPlainTextAlternativeBody(email,"This is the plain-text version.");

    printf("NumAlternatives = %d\n",CkEmail_getNumAlternatives(email));


    CkEmail_Dispose(email);

    }