Clear an Email Object

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Demonstrates the Chilkat Email.Clear method, which removes the current message content — recipients, headers, body representations, attachments, related items, and embedded messages — leaving an empty email object. This example builds a message with a recipient and attachment, clears it, and prints the counts before and after.

Background: Reusing a single Email object across many operations is efficient, but leftover state from a previous message could leak into the next. Clear resets the object completely, giving you a clean slate — the safe way to start a fresh message without allocating a new object.

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#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkEmail email;

    //  Demonstrates the Clear method, which removes the current message content, including
    //  recipients, headers, body representations, attachments, related items, and embedded
    //  messages -- leaving an empty email object.

    email = CkEmail_Create();
    CkEmail_putSubject(email,"A message");
    CkEmail_putBody(email,"Some body text.");
    CkEmail_AddTo(email,"Bob","bob@example.com");
    CkEmail_AddStringAttachment(email,"notes.txt","Some notes.");

    printf("NumTo before clear = %d\n",CkEmail_getNumTo(email));
    printf("NumAttachments before clear = %d\n",CkEmail_getNumAttachments(email));

    //  Remove all content, resetting the email object.
    CkEmail_Clear(email);

    printf("NumTo after clear = %d\n",CkEmail_getNumTo(email));
    printf("NumAttachments after clear = %d\n",CkEmail_getNumAttachments(email));


    CkEmail_Dispose(email);

    }