Resource File Attributes
mapReadOnly a pre- defined constant (128); low-order bit #7; set to 1 if file is
read-only; set to 0 if not.
mapChanged a pre- defined constant (32); low-order byte 5; set to 1 if resource
map is to be written on update; set to 0 if not.
mapCompact a pre- defined constant (64); low-order byte 6; set to 1 if file is to
be compacted on update; set to 0 if not.