Specifies open modes of the associated file of the multi-page image file.
Values:
| IG_MP_OPENMODE_NONE | There is no association with multi-page image file. |
| IG_MP_OPENMODE_READONLY | Associated file has been opened with read-only access mode. |
| IG_MP_OPENMODE_READWRITE | Associated file has been opened with read-write access mode. |
Remarks:
See IG_mpi_file_open for more details.