Layout modes for document view.
Single page layout mode.
Continuous page layout mode.
Facing page layout mode.
Continuous facing page layout mode.
Automatic page layout mode.
Layout modes for document view.
Param: SINGLE
Single page layout mode.
Param: CONTINUOUS
Continuous page layout mode.
Param: FACING
Facing page layout mode.
Param: CONTINUOUS_FACING
Continuous facing page layout mode.
Param: AUTOMATIC
Automatic page layout mode.