Unicode C

Get the Content-Type of an Attachment

Demonstrates the Chilkat Email.GetAttachmentContentType method, which returns the Content-Type header field for the Nth attachment. Attachment indexing begins at 0. This example adds an attachment and reads its content type.

Background: The Content-Type (MIME type) of an attachment — such as text/plain, application/pdf, or image/png — tells a mail client how to handle the part: whether to display it inline, offer it as a download, or pick an icon for it. Reading it lets your program filter or route attachments by type, for example extracting only the PDFs from a batch of messages.

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Unicode C

#include <C_CkEmailW.h>

void ChilkatSample(void)
    {
    HCkEmailW email;
    const wchar_t *ct;

    //  Demonstrates the GetAttachmentContentType method, which returns the Content-Type header
    //  field for the Nth attachment.  The index is zero-based.

    email = CkEmailW_Create();
    CkEmailW_putSubject(email,L"Attachment content type");

    CkEmailW_AddStringAttachment(email,L"notes.txt",L"Some notes.");

    //  Get the Content-Type of the first attachment (index 0).
    ct = CkEmailW_getAttachmentContentType(email,0);
    wprintf(L"Attachment 0 Content-Type: %s\n",ct);


    CkEmailW_Dispose(email);

    }