Remove the Plain-Text Body from an Email

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Demonstrates the Chilkat Email.RemovePlainTextAlternative method, which removes the plain-text body from the email if one exists. Other body representations, attachments, and related items remain unchanged. This example builds a message with both plain-text and HTML alternatives, then removes the plain text.

Background: This is the counterpart to RemoveHtmlAlternative. Removing the plain-text alternative leaves an HTML-only message. Note that dropping the plain-text fallback is generally discouraged for real mail — it hurts accessibility and can raise spam scores — but it is occasionally needed when a downstream system expects a single HTML representation.

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#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkEmail email;

    //  Demonstrates the RemovePlainTextAlternative method, which removes the plain-text body
    //  from the email (if one exists).  Other body representations, attachments, and related
    //  items remain.

    email = CkEmail_Create();
    CkEmail_putSubject(email,"Remove plain-text alternative");

    //  Create an email with both plain-text and HTML alternatives.
    CkEmail_SetTextBody(email,"This is the plain-text version.","text/plain");
    CkEmail_AddHtmlAlternativeBody(email,"<html><body>This is the HTML version.</body></html>");
    printf("NumAlternatives before = %d\n",CkEmail_getNumAlternatives(email));
    printf("HasPlainTextBody before: %d\n",CkEmail_HasPlainTextBody(email));

    //  Remove the plain-text body, leaving the HTML alternative.
    CkEmail_RemovePlainTextAlternative(email);
    printf("NumAlternatives after = %d\n",CkEmail_getNumAlternatives(email));
    printf("HasPlainTextBody after: %d\n",CkEmail_HasPlainTextBody(email));


    CkEmail_Dispose(email);

    }