Specifies kinds of information returned by IG_mpi_info_get function.

Values:

IG_MP_ASSOCIATION_TYPE	The value returned is the association type of the given multi-page image.
IG_MP_OPEN_MODE	The value returned is the open mode of the associated file.
IG_MP_FILE_NAME	The value returned is the name of the associated file.
IG_MP_MEMBUFFER_PTR	The value returned is the pointer to the memory associated with the multi-page image.
IG_MP_MEMBUFFER_SIZE	The value returned is the size of the associated memory.
IG_MP_FORMAT	The value returned is the file format of the multi-page document. One of the enumIGFormats values.
IG_MP_DOCUMENT	The value returned is the Native document associated with the multi-page document.