Sets the disposition to disposition which may be one of #GMIME_DISPOSITION_ATTACHMENT or #GMIME_DISPOSITION_INLINE or, by your choice, any other string which would indicate how the MIME part should be displayed by the MUA.
disposition ("attachment" or "inline")
Sets the disposition to disposition which may be one of #GMIME_DISPOSITION_ATTACHMENT or #GMIME_DISPOSITION_INLINE or, by your choice, any other string which would indicate how the MIME part should be displayed by the MUA.